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Home Return to list Severe Thunderstorm Warning 0122 Issued by the Great Falls Forecast Office
Action: New Issued At: 2025-07-29 17:51:29 557 WUUS55 KTFX 292251 SVRTFX MTC005-027-292345- /O.NEW.KTFX.SV.W.0122.250729T2251Z-250729T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Great Falls MT 451 PM MDT Tue Jul 29 2025 The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... North central Fergus County in central Montana... South central Blaine County in north central Montana... * Until 545 PM MDT. * At 450 PM MDT, a severe thunderstorm was located 14 miles northeast of Winifred, or 33 miles west of Zortman, moving southeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of north central Fergus and south central Blaine Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of natures leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4775 10926 4783 10914 4762 10877 4747 10911 TIME...MOT...LOC 2250Z 323DEG 17KT 4773 10919 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ IG Action: Continued Issued At: 2025-07-29 18:01:00 856 WWUS55 KTFX 292300 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 500 PM MDT Tue Jul 29 2025 MTC005-027-292345- /O.CON.KTFX.SV.W.0122.000000T0000Z-250729T2345Z/ Fergus MT-Blaine MT- 500 PM MDT Tue Jul 29 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR NORTH CENTRAL FERGUS AND SOUTHERN BLAINE COUNTIES... At 500 PM MDT, a severe thunderstorm was located 14 miles northeast of Winifred, or 32 miles southwest of Zortman, moving southeast at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of north central Fergus and southern Blaine Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of natures leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4773 10925 4779 10913 4762 10877 4747 10911 TIME...MOT...LOC 2300Z 318DEG 22KT 4770 10914 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ IG Action: Cancelled Issued At: 2025-07-29 18:13:00 177 WWUS55 KTFX 292312 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 512 PM MDT Tue Jul 29 2025 MTC005-292322- /O.CAN.KTFX.SV.W.0122.000000T0000Z-250729T2345Z/ Blaine MT- 512 PM MDT Tue Jul 29 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BLAINE COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4771 10924 4777 10911 4762 10877 4747 10911 TIME...MOT...LOC 2312Z 350DEG 15KT 4766 10915 $$ MTC027-292345- /O.CON.KTFX.SV.W.0122.000000T0000Z-250729T2345Z/ Fergus MT- 512 PM MDT Tue Jul 29 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR NORTH CENTRAL FERGUS COUNTY... At 512 PM MDT, a severe thunderstorm was located 12 miles northeast of Winifred, or 34 miles southwest of Zortman, moving south at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of north central Fergus County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of natures leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4771 10924 4777 10911 4762 10877 4747 10911 TIME...MOT...LOC 2312Z 350DEG 15KT 4766 10915 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ IG Action: Continued Issued At: 2025-07-29 18:13:00 177 WWUS55 KTFX 292312 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 512 PM MDT Tue Jul 29 2025 MTC005-292322- /O.CAN.KTFX.SV.W.0122.000000T0000Z-250729T2345Z/ Blaine MT- 512 PM MDT Tue Jul 29 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BLAINE COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4771 10924 4777 10911 4762 10877 4747 10911 TIME...MOT...LOC 2312Z 350DEG 15KT 4766 10915 $$ MTC027-292345- /O.CON.KTFX.SV.W.0122.000000T0000Z-250729T2345Z/ Fergus MT- 512 PM MDT Tue Jul 29 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR NORTH CENTRAL FERGUS COUNTY... At 512 PM MDT, a severe thunderstorm was located 12 miles northeast of Winifred, or 34 miles southwest of Zortman, moving south at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of north central Fergus County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of natures leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4771 10924 4777 10911 4762 10877 4747 10911 TIME...MOT...LOC 2312Z 350DEG 15KT 4766 10915 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ IG Action: Continued Issued At: 2025-07-29 18:24:30 586 WWUS55 KTFX 292324 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 524 PM MDT Tue Jul 29 2025 MTC027-292345- /O.CON.KTFX.SV.W.0122.000000T0000Z-250729T2345Z/ Fergus MT- 524 PM MDT Tue Jul 29 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR NORTH CENTRAL FERGUS COUNTY... At 524 PM MDT, a severe thunderstorm was located 13 miles east of Winifred, or 34 miles southwest of Zortman, moving south at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of north central Fergus County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of natures leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4767 10922 4771 10906 4761 10880 4747 10911 TIME...MOT...LOC 2324Z 345DEG 23KT 4759 10908 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ IG Action: Expired Issued At: 2025-07-29 18:41:01 036 WWUS55 KTFX 292340 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 540 PM MDT Tue Jul 29 2025 MTC027-292350- /O.EXP.KTFX.SV.W.0122.000000T0000Z-250729T2345Z/ Fergus MT- 540 PM MDT Tue Jul 29 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL FERGUS COUNTY WILL EXPIRE AT 545 PM MDT... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. However, small hail and heavy rain are still possible with this thunderstorm. && LAT...LON 4767 10922 4771 10906 4761 10880 4747 10911 TIME...MOT...LOC 2340Z 323DEG 17KT 4754 10902 $$ IG | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||