|
Home Return to list Winter Weather Advisory 0058 Issued by the Great Falls Forecast Office
Action: New Issued At: 2025-12-17 15:25:52 874 WWUS45 KTFX 172125 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 225 PM MST Wed Dec 17 2025 MTZ301-307-180600- /O.CON.KTFX.WS.W.0021.000000T0000Z-251218T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: East Glacier Park, Marias Pass, Logan Pass, Saint Mary, Kiowa, Babb, and Rogers Pass 225 PM MST Wed Dec 17 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 75 mph at times. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be very difficult to dangerous and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Storm Warning means that there is at least an 80% chance of impactful winter weather conditions during the warning period. && $$ MTZ327-181300- /O.NEW.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ /O.CON.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Chief Joseph Pass, Wise River, Dewey, and Big Hole Pass 225 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THURSDAY TO 9 PM MST FRIDAY... * WHAT...For the first Winter Weather Advisory, snow. Additional snow accumulations up to two inches. Winds gusting as high as 55 mph. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of a foot above pass level. Winds gusting as high as 55 mph. * WHERE...Northwest Beaverhead County. * WHEN...For the first Winter Weather Advisory, until 11 PM MST this evening. For the second Winter Weather Advisory, from 2 PM Thursday to 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Widespread blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ305-306-180600- /O.EXB.KTFX.WW.Y.0057.251217T2200Z-251218T0600Z/ Hill County-Northern Blaine County- Including the following locations: Zurich, Hogeland, Havre, Fort Belknap, Harlem, and Chinook 225 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow expected. Total snow accumulations up to one inch. Winds gusting as high as 75 mph. Brief reduction of visibility to one-half mile or less due to the combination of falling snow and winds. * WHERE...Hill County and Northern Blaine County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...The combination of falling snow and gusty winds will result in greatly reduced visibility for an hour or two this evening for the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ317-329-330-180600- /O.CON.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Little Belt and Highwood Mountains-Ruby Mountains and Southern Beaverhead Mountains-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: West Yellowstone, Monarch, Monida Pass, Big Sky, Kings Hill Pass, Neihart, Raynolds Pass, and Targhee Pass 225 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 75 mph. * WHERE...Little Belt and Highwood Mountains, Gallatin and Madison County Mountains and Centennial Mountains, and Ruby Mountains and Southern Beaverhead Mountains. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ AM Action: Continued Issued At: 2025-12-17 18:57:27 935 WWUS45 KTFX 180057 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 557 PM MST Wed Dec 17 2025 MTZ301-307-180600- /O.CON.KTFX.WS.W.0021.000000T0000Z-251218T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Marias Pass, Logan Pass, Saint Mary, East Glacier Park, Rogers Pass, Babb, and Kiowa 557 PM MST Wed Dec 17 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 75 mph at times. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be very difficult to dangerous and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Storm Warning means that there is at least an 80% chance of impactful winter weather conditions during the warning period. && $$ MTZ311-314-318-180600- /O.EXA.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Bears Paw Mountains and Southern Blaine-Fergus County below 4500ft-Snowy and Judith Mountains- Including the following locations: Hilger, Lewistown, and Rocky Boy 557 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 75 mph will result in at least patchy blowing snow. * WHERE...Snowy and Judith Mountains, Bears Paw Mountains and Southern Blaine, and Fergus County below 4500ft. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...Visibility to around one-half mile or less at times through 8 PM due to the falling snow. Patchy blowing snow will persist through 11 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ327-181600- /O.CON.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wise River, Chief Joseph Pass, Wisdom, Big Hole Pass, and Dewey 557 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THURSDAY TO 9 PM MST FRIDAY... * WHAT...For the first Winter Weather Advisory, snow. Additional snow accumulations up to two inches. Winds gusting as high as 55 mph. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of a foot above pass level. Winds gusting as high as 55 mph. * WHERE...Northwest Beaverhead County. * WHEN...For the first Winter Weather Advisory, until 11 PM MST this evening. For the second Winter Weather Advisory, from 2 PM Thursday to 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Widespread blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ305-306-180600- /O.CON.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Hill County-Northern Blaine County- Including the following locations: Zurich, Chinook, Fort Belknap, Havre, Harlem, and Hogeland 557 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow expected. Total snow accumulations up to one inch. Winds gusting as high as 75 mph. Brief reduction of visibility to one-half mile or less due to the combination of falling snow and winds. * WHERE...Hill County and Northern Blaine County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...The combination of falling snow and gusty winds will result in greatly reduced visibility for an hour or two this evening for the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ317-329-330-180600- /O.CON.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Little Belt and Highwood Mountains-Ruby Mountains and Southern Beaverhead Mountains-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Raynolds Pass, Neihart, Targhee Pass, Monarch, Monida Pass, West Yellowstone, Big Sky, and Kings Hill Pass 557 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 70 mph. * WHERE...Little Belt and Highwood Mountains, Gallatin and Madison County Mountains and Centennial Mountains, and Ruby Mountains and Southern Beaverhead Mountains. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions developing this morning over mountain passes. Blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ AM Action: Continued Issued At: 2025-12-17 20:29:30 351 WWUS45 KTFX 180229 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 729 PM MST Wed Dec 17 2025 MTZ301-307-180330- /O.CAN.KTFX.WS.W.0021.000000T0000Z-251218T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Marias Pass, Logan Pass, Saint Mary, East Glacier Park, Rogers Pass, Babb, and Kiowa 729 PM MST Wed Dec 17 2025 ...WINTER STORM WARNING IS CANCELLED... While lingering light snow will remain for a few more hours, the threat for widespread impactful snow has diminished. $$ MTZ327-181730- /O.CAN.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wise River, Chief Joseph Pass, Wisdom, Big Hole Pass, and Dewey 729 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THURSDAY TO 9 PM MST FRIDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of a foot above pass level. Winds gusting as high as 55 mph. * WHERE...Northwest Beaverhead County. * WHEN...From 2 PM Thursday to 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ317-329-330-180330- /O.CAN.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Little Belt and Highwood Mountains-Ruby Mountains and Southern Beaverhead Mountains-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Raynolds Pass, Neihart, Targhee Pass, Monarch, Monida Pass, West Yellowstone, Big Sky, and Kings Hill Pass 729 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... While lingering light snow will remain for a few more hours, the threat for widespread impactful snow has diminished. $$ MTZ305-306-311-314-318-180600- /O.CON.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Hill County-Northern Blaine County-Bears Paw Mountains and Southern Blaine-Fergus County below 4500ft-Snowy and Judith Mountains- Including the following locations: Zurich, Chinook, Fort Belknap, Lewistown, Havre, Harlem, Hilger, Hogeland, and Rocky Boy 729 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one-half inch. Winds gusting as high as 70 mph. Patchy blowing snow may result in greatly reduced visibility. * WHERE...Snowy and Judith Mountains, Bears Paw Mountains and Southern Blaine, Fergus County below 4500ft, Hill County, and Northern Blaine County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ AM Action: Continued Issued At: 2025-12-18 00:07:35 803 WWUS45 KTFX 180607 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1107 PM MST Wed Dec 17 2025 MTZ305-306-311-314-318-180715- /O.EXP.KTFX.WW.Y.0057.000000T0000Z-251218T0600Z/ Hill County-Northern Blaine County-Bears Paw Mountains and Southern Blaine-Fergus County below 4500ft-Snowy and Judith Mountains- Including the following locations: Zurich, Rocky Boy, Lewistown, Hogeland, Chinook, Havre, Harlem, Hilger, and Fort Belknap 1107 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY HAS EXPIRED... While some light snow showers continue overnight, the threat for widespread impactful snow has ended. $$ MTZ327-182200- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wise River, Wisdom, Big Hole Pass, Dewey, and Chief Joseph Pass 1107 PM MST Wed Dec 17 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THURSDAY TO 9 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of a foot above pass level. Winds gusting as high as 55 mph. * WHERE...Northwest Beaverhead County. * WHEN...From 2 PM Thursday to 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Hoenisch Action: Time and Area Extended Issued At: 2025-12-18 02:59:08 832 WWUS45 KTFX 180858 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 158 AM MST Thu Dec 18 2025 MTZ301-307-182300- /O.EXB.KTFX.WW.Y.0058.251218T2100Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Marias Pass, Rogers Pass, Logan Pass, Kiowa, Babb, Saint Mary, and East Glacier Park 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting as high as 50 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 2 PM this afternoon to 6 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-182300- /O.EXB.KTFX.WW.Y.0058.251219T0100Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Big Sky, and Raynolds Pass 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Periods of snow expected. Total snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting as high as 50 mph over ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to midnight MST Friday Night. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ327-182300- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wise River, Wisdom, Big Hole Pass, Dewey, and Chief Joseph Pass 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting as high as 50 mph over ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...From 2 PM this afternoon to 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Hoenisch Action: Continued Issued At: 2025-12-18 02:59:08 832 WWUS45 KTFX 180858 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 158 AM MST Thu Dec 18 2025 MTZ301-307-182300- /O.EXB.KTFX.WW.Y.0058.251218T2100Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Marias Pass, Rogers Pass, Logan Pass, Kiowa, Babb, Saint Mary, and East Glacier Park 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting as high as 50 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 2 PM this afternoon to 6 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-182300- /O.EXB.KTFX.WW.Y.0058.251219T0100Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Big Sky, and Raynolds Pass 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Periods of snow expected. Total snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting as high as 50 mph over ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to midnight MST Friday Night. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ327-182300- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wise River, Wisdom, Big Hole Pass, Dewey, and Chief Joseph Pass 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting as high as 50 mph over ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...From 2 PM this afternoon to 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Hoenisch Action: Time and Area Extended Issued At: 2025-12-18 02:59:08 832 WWUS45 KTFX 180858 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 158 AM MST Thu Dec 18 2025 MTZ301-307-182300- /O.EXB.KTFX.WW.Y.0058.251218T2100Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Marias Pass, Rogers Pass, Logan Pass, Kiowa, Babb, Saint Mary, and East Glacier Park 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting as high as 50 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 2 PM this afternoon to 6 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-182300- /O.EXB.KTFX.WW.Y.0058.251219T0100Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Big Sky, and Raynolds Pass 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Periods of snow expected. Total snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting as high as 50 mph over ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to midnight MST Friday Night. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ327-182300- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wise River, Wisdom, Big Hole Pass, Dewey, and Chief Joseph Pass 158 AM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting as high as 50 mph over ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...From 2 PM this afternoon to 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Hoenisch Action: Continued Issued At: 2025-12-18 14:48:22 653 WWUS45 KTFX 182047 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 147 PM MST Thu Dec 18 2025 MTZ301-307-191400- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Kiowa, Rogers Pass, Marias Pass, Logan Pass, East Glacier Park, Saint Mary, and Babb 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting as high as 50 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 6 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ327-191400- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Big Hole Pass, Dewey, Chief Joseph Pass, Wise River, and Wisdom 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting as high as 50 mph over ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-191400- /O.CON.KTFX.WW.Y.0058.251219T0100Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Big Sky, and Raynolds Pass 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Periods of snow expected. Total snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting as high as 50 mph over ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to midnight MST Friday Night. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Action: Continued Issued At: 2025-12-18 14:48:22 653 WWUS45 KTFX 182047 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 147 PM MST Thu Dec 18 2025 MTZ301-307-191400- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Kiowa, Rogers Pass, Marias Pass, Logan Pass, East Glacier Park, Saint Mary, and Babb 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting as high as 50 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 6 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ327-191400- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Big Hole Pass, Dewey, Chief Joseph Pass, Wise River, and Wisdom 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting as high as 50 mph over ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-191400- /O.CON.KTFX.WW.Y.0058.251219T0100Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Big Sky, and Raynolds Pass 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Periods of snow expected. Total snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting as high as 50 mph over ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to midnight MST Friday Night. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Action: Continued Issued At: 2025-12-18 14:48:22 653 WWUS45 KTFX 182047 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 147 PM MST Thu Dec 18 2025 MTZ301-307-191400- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Kiowa, Rogers Pass, Marias Pass, Logan Pass, East Glacier Park, Saint Mary, and Babb 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting as high as 50 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 6 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ327-191400- /O.CON.KTFX.WW.Y.0058.251218T2100Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Big Hole Pass, Dewey, Chief Joseph Pass, Wise River, and Wisdom 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting as high as 50 mph over ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-191400- /O.CON.KTFX.WW.Y.0058.251219T0100Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Big Sky, and Raynolds Pass 147 PM MST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Periods of snow expected. Total snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting as high as 50 mph over ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to midnight MST Friday Night. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Action: Continued Issued At: 2025-12-19 03:44:33 153 WWUS45 KTFX 190944 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 244 AM MST Fri Dec 19 2025 MTZ301-307-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Rogers Pass, Kiowa, Babb, Saint Mary, East Glacier Park, Logan Pass, and Marias Pass 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Snow expected. Additional snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting over 50 mph at times. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 6 PM MST this evening. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ327-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Chief Joseph Pass, Wise River, Dewey, and Big Hole Pass 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Snow expected. Additional snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ330-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Periods of snow expected. Additional snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MST tonight. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ RG Action: Continued Issued At: 2025-12-19 03:44:33 153 WWUS45 KTFX 190944 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 244 AM MST Fri Dec 19 2025 MTZ301-307-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Rogers Pass, Kiowa, Babb, Saint Mary, East Glacier Park, Logan Pass, and Marias Pass 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Snow expected. Additional snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting over 50 mph at times. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 6 PM MST this evening. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ327-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Chief Joseph Pass, Wise River, Dewey, and Big Hole Pass 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Snow expected. Additional snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ330-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Periods of snow expected. Additional snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MST tonight. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ RG Action: Continued Issued At: 2025-12-19 03:44:33 153 WWUS45 KTFX 190944 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 244 AM MST Fri Dec 19 2025 MTZ301-307-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0100Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Rogers Pass, Kiowa, Babb, Saint Mary, East Glacier Park, Logan Pass, and Marias Pass 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Snow expected. Additional snow accumulations between 2 and 6 inches below 6000 ft, including Marias Pass and Rogers Pass, with snow amounts of 8 to 10 inches above pass levels. Winds gusting over 50 mph at times. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 6 PM MST this evening. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ327-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Chief Joseph Pass, Wise River, Dewey, and Big Hole Pass 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Snow expected. Additional snow accumulations between 2 and 6 inches at lower elevations, with snow in excess of 10 inches above pass level. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ330-192300- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 244 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Periods of snow expected. Additional snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MST tonight. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Those in the backcountry should ensure they are prepared for dangerous conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ RG Action: Continued Issued At: 2025-12-19 15:16:55 348 WWUS45 KTFX 192116 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 216 PM MST Fri Dec 19 2025 MTZ301-307-201230- /O.CAN.KTFX.WW.Y.0058.000000T0000Z-251220T0100Z/ /O.NEW.KTFX.WW.Y.0059.251220T0300Z-251221T0000Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Saint Mary, Babb, Rogers Pass, Logan Pass, East Glacier Park, Marias Pass, and Kiowa 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM MST SATURDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches at Marias Pass, with up to 10 inches at higher peaks. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 8 PM this evening to 5 PM MST Saturday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ327-200400- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Big Hole Pass, Chief Joseph Pass, Wise River, and Dewey 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to 2 inches at lower elevations, with up to 5 inches above pass level. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ330-200700- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow. Additional snow accumulations up to 3 inches at pass level, with up to 6 inches above 7,000ft. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MST tonight. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ Wilson Action: Cancelled Issued At: 2025-12-19 15:16:55 348 WWUS45 KTFX 192116 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 216 PM MST Fri Dec 19 2025 MTZ301-307-201230- /O.CAN.KTFX.WW.Y.0058.000000T0000Z-251220T0100Z/ /O.NEW.KTFX.WW.Y.0059.251220T0300Z-251221T0000Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Saint Mary, Babb, Rogers Pass, Logan Pass, East Glacier Park, Marias Pass, and Kiowa 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM MST SATURDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches at Marias Pass, with up to 10 inches at higher peaks. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 8 PM this evening to 5 PM MST Saturday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ327-200400- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Big Hole Pass, Chief Joseph Pass, Wise River, and Dewey 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to 2 inches at lower elevations, with up to 5 inches above pass level. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ330-200700- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow. Additional snow accumulations up to 3 inches at pass level, with up to 6 inches above 7,000ft. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MST tonight. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ Wilson Action: Continued Issued At: 2025-12-19 15:16:55 348 WWUS45 KTFX 192116 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 216 PM MST Fri Dec 19 2025 MTZ301-307-201230- /O.CAN.KTFX.WW.Y.0058.000000T0000Z-251220T0100Z/ /O.NEW.KTFX.WW.Y.0059.251220T0300Z-251221T0000Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Saint Mary, Babb, Rogers Pass, Logan Pass, East Glacier Park, Marias Pass, and Kiowa 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM MST SATURDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches at Marias Pass, with up to 10 inches at higher peaks. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From 8 PM this evening to 5 PM MST Saturday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ327-200400- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Wisdom, Big Hole Pass, Chief Joseph Pass, Wise River, and Dewey 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to 2 inches at lower elevations, with up to 5 inches above pass level. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Northwest Beaverhead County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ330-200700- /O.CON.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 216 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow. Additional snow accumulations up to 3 inches at pass level, with up to 6 inches above 7,000ft. Winds gusting over 50 mph at times over the ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MST tonight. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ Wilson Action: Cancelled Issued At: 2025-12-19 21:46:34 305 WWUS45 KTFX 200346 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 846 PM MST Fri Dec 19 2025 MTZ330-200500- /O.CAN.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Raynolds Pass, West Yellowstone, Targhee Pass, and Big Sky 846 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat for snow has ended. $$ MTZ327-200500- /O.EXP.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Dewey, Big Hole Pass, Wisdom, Wise River, and Chief Joseph Pass 846 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING... The threat for snow has ended. $$ MTZ301-307-201900- /O.CON.KTFX.WW.Y.0059.000000T0000Z-251221T0000Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Saint Mary, Kiowa, East Glacier Park, Rogers Pass, Logan Pass, Babb, and Marias Pass 846 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches at Marias Pass, with up to 10 inches at higher peaks. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 5 PM MST Saturday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Glinskas Action: Expired Issued At: 2025-12-19 21:46:34 305 WWUS45 KTFX 200346 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 846 PM MST Fri Dec 19 2025 MTZ330-200500- /O.CAN.KTFX.WW.Y.0058.000000T0000Z-251220T0700Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Raynolds Pass, West Yellowstone, Targhee Pass, and Big Sky 846 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat for snow has ended. $$ MTZ327-200500- /O.EXP.KTFX.WW.Y.0058.000000T0000Z-251220T0400Z/ Northwest Beaverhead County- Including the following locations: Dewey, Big Hole Pass, Wisdom, Wise River, and Chief Joseph Pass 846 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING... The threat for snow has ended. $$ MTZ301-307-201900- /O.CON.KTFX.WW.Y.0059.000000T0000Z-251221T0000Z/ East Glacier Park Region-Southern Rocky Mountain Front- Including the following locations: Saint Mary, Kiowa, East Glacier Park, Rogers Pass, Logan Pass, Babb, and Marias Pass 846 PM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches at Marias Pass, with up to 10 inches at higher peaks. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...Until 5 PM MST Saturday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Glinskas | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||