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Home Return to list Severe Thunderstorm Warning 0160 Issued by the Great Falls Forecast Office
Action: New Issued At: 2025-09-12 16:37:54
326
WUUS55 KTFX 122137
SVRTFX
MTC005-122245-
/O.NEW.KTFX.SV.W.0160.250912T2137Z-250912T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
337 PM MDT Fri Sep 12 2025
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
Southeastern Blaine County in north central Montana...
* Until 445 PM MDT.
* At 337 PM MDT, a severe thunderstorm was located 13 miles northwest
of Hays, or 20 miles northwest of Zortman, moving northeast 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.
* This severe thunderstorm will remain over mainly rural areas of
southeastern Blaine County.
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 4822 10843 4820 10843 4799 10889 4808 10905
4841 10868 4824 10841
TIME...MOT...LOC 2137Z 222DEG 15KT 4808 10890
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glinskas
Action: Continued Issued At: 2025-09-12 16:53:25
730
WWUS55 KTFX 122153
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
353 PM MDT Fri Sep 12 2025
MTC005-122245-
/O.CON.KTFX.SV.W.0160.000000T0000Z-250912T2245Z/
Blaine MT-
353 PM MDT Fri Sep 12 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR EAST CENTRAL BLAINE COUNTY...
At 352 PM MDT, a severe thunderstorm was located 14 miles northwest
of Hays, or 21 miles northwest of Zortman, moving northeast at 15
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of east
central Blaine County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4822 10843 4820 10843 4800 10886 4811 10901
4841 10868 4824 10841
TIME...MOT...LOC 2152Z 221DEG 15KT 4811 10890
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glinskas
Action: Cancelled Issued At: 2025-09-12 17:13:25
232
WWUS55 KTFX 122212
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
412 PM MDT Fri Sep 12 2025
MTC005-122222-
/O.CAN.KTFX.SV.W.0160.000000T0000Z-250912T2245Z/
Blaine MT-
412 PM MDT Fri Sep 12 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLAINE COUNTY IS
CANCELLED...
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 has been cancelled. However, heavy rain and
localized flooding are still possible with this thunderstorm.
&&
LAT...LON 4822 10843 4820 10843 4800 10886 4811 10901
4841 10868 4824 10841
TIME...MOT...LOC 2211Z 222DEG 15KT 4817 10882
$$
Glinskas
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