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Home Return to list Severe Thunderstorm Warning 0109 Issued by the Great Falls Forecast Office
Action: New Issued At: 2025-07-28 16:56:29 868 WUUS55 KTFX 282156 SVRTFX MTC027-282300- /O.NEW.KTFX.SV.W.0109.250728T2156Z-250728T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Great Falls MT 356 PM MDT Mon Jul 28 2025 The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... South central Fergus County in central Montana... * Until 500 PM MDT. * At 356 PM MDT, a severe thunderstorm was located near Moore, or 8 miles southwest of Lewistown, moving east at 15 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Lewistown, Moore, Glengarry, and Heath. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4693 10972 4710 10966 4708 10907 4676 10918 TIME...MOT...LOC 2156Z 279DEG 13KT 4700 10959 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Glinskas Action: Continued Issued At: 2025-07-28 17:06:59 223 WWUS55 KTFX 282206 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 406 PM MDT Mon Jul 28 2025 MTC027-282300- /O.CON.KTFX.SV.W.0109.000000T0000Z-250728T2300Z/ Fergus MT- 406 PM MDT Mon Jul 28 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR SOUTH CENTRAL FERGUS COUNTY... At 406 PM MDT, a severe thunderstorm was located near Lewistown, moving east at 15 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Lewistown, Glengarry, and Heath. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4691 10964 4710 10958 4708 10907 4676 10918 TIME...MOT...LOC 2206Z 279DEG 14KT 4698 10951 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Glinskas Action: Continued Issued At: 2025-07-28 17:27:59 832 WWUS55 KTFX 282227 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 427 PM MDT Mon Jul 28 2025 MTC027-282300- /O.CON.KTFX.SV.W.0109.000000T0000Z-250728T2300Z/ Fergus MT- 427 PM MDT Mon Jul 28 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR SOUTH CENTRAL FERGUS COUNTY... At 427 PM MDT, a severe thunderstorm was located near Lewistown, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Heath. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4689 10958 4709 10936 4708 10907 4676 10918 TIME...MOT...LOC 2227Z 279DEG 13KT 4697 10940 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Glinskas Action: Continued Issued At: 2025-07-28 17:51:00 572 WWUS55 KTFX 282250 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 450 PM MDT Mon Jul 28 2025 MTC027-282300- /O.CON.KTFX.SV.W.0109.000000T0000Z-250728T2300Z/ Fergus MT- 450 PM MDT Mon Jul 28 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR SOUTH CENTRAL FERGUS COUNTY... At 450 PM MDT, a severe thunderstorm was located 10 miles southeast of Lewistown, moving east at 15 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Heath. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4709 10936 4708 10907 4682 10916 4689 10941 4697 10949 TIME...MOT...LOC 2250Z 279DEG 13KT 4696 10928 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Glinskas Action: Expired Issued At: 2025-07-28 17:59:30 869 WWUS55 KTFX 282259 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 459 PM MDT Mon Jul 28 2025 MTC027-282308- /O.EXP.KTFX.SV.W.0109.000000T0000Z-250728T2300Z/ Fergus MT- 459 PM MDT Mon Jul 28 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL FERGUS COUNTY WILL EXPIRE AT 500 PM MDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, small hail is still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 900 PM MDT for central Montana. && LAT...LON 4709 10936 4708 10907 4682 10916 4689 10941 4697 10949 TIME...MOT...LOC 2258Z 279DEG 13KT 4696 10925 $$ Glinskas |