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Home Return to list Severe Thunderstorm Warning 0107 Issued by the Great Falls Forecast Office
Action: New Issued At: 2025-07-28 16:12:58
501
WUUS55 KTFX 282112
SVRTFX
MTC013-049-099-282215-
/O.NEW.KTFX.SV.W.0107.250728T2112Z-250728T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
312 PM MDT Mon Jul 28 2025
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
Central Lewis and Clark County in west central Montana...
South central Teton County in north central Montana...
Northwestern Cascade County in central Montana...
* Until 415 PM MDT.
* At 311 PM MDT, a severe thunderstorm was located 7 miles southeast
of Augusta, or 27 miles south of Choteau, moving east at 20 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...
Fairfield, Fort Shaw, Fort Shaw, and Simms.
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 4732 11237 4756 11238 4765 11179 4724 11178
TIME...MOT...LOC 2111Z 270DEG 18KT 4742 11227
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glinskas
Action: Continued Issued At: 2025-07-28 16:32:29
214
WWUS55 KTFX 282132
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
332 PM MDT Mon Jul 28 2025
MTC013-049-099-282215-
/O.CON.KTFX.SV.W.0107.000000T0000Z-250728T2215Z/
Lewis and Clark MT-Teton MT-Cascade MT-
332 PM MDT Mon Jul 28 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT
FOR NORTHEASTERN LEWIS AND CLARK...SOUTHEASTERN TETON AND
NORTHWESTERN CASCADE COUNTIES...
At 331 PM MDT, a severe thunderstorm was located 11 miles west of
Fort Shaw, or 19 miles northwest of Cascade, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Fairfield, Fort Shaw, Fort Shaw, and Simms.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4732 11220 4758 11222 4765 11179 4729 11178
TIME...MOT...LOC 2131Z 269DEG 26KT 4745 11204
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glinskas
Action: Cancelled Issued At: 2025-07-28 16:45:59
703
WWUS55 KTFX 282145
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
345 PM MDT Mon Jul 28 2025
MTC049-282155-
/O.CAN.KTFX.SV.W.0107.000000T0000Z-250728T2215Z/
Lewis and Clark MT-
345 PM MDT Mon Jul 28 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEWIS AND CLARK
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
central and north central Montana.
&&
LAT...LON 4737 11203 4761 11205 4765 11179 4734 11178
TIME...MOT...LOC 2145Z 264DEG 25KT 4745 11191
$$
MTC013-099-282215-
/O.CON.KTFX.SV.W.0107.000000T0000Z-250728T2215Z/
Teton MT-Cascade MT-
345 PM MDT Mon Jul 28 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT
FOR SOUTH CENTRAL TETON AND NORTHWESTERN CASCADE COUNTIES...
At 345 PM MDT, a severe thunderstorm was located near Fort Shaw, or
15 miles northwest of Cascade, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Fairfield, Fort Shaw, Fort Shaw, and Simms.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4737 11203 4761 11205 4765 11179 4734 11178
TIME...MOT...LOC 2145Z 264DEG 25KT 4745 11191
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glinskas
Action: Continued Issued At: 2025-07-28 16:45:59
703
WWUS55 KTFX 282145
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
345 PM MDT Mon Jul 28 2025
MTC049-282155-
/O.CAN.KTFX.SV.W.0107.000000T0000Z-250728T2215Z/
Lewis and Clark MT-
345 PM MDT Mon Jul 28 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEWIS AND CLARK
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
central and north central Montana.
&&
LAT...LON 4737 11203 4761 11205 4765 11179 4734 11178
TIME...MOT...LOC 2145Z 264DEG 25KT 4745 11191
$$
MTC013-099-282215-
/O.CON.KTFX.SV.W.0107.000000T0000Z-250728T2215Z/
Teton MT-Cascade MT-
345 PM MDT Mon Jul 28 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT
FOR SOUTH CENTRAL TETON AND NORTHWESTERN CASCADE COUNTIES...
At 345 PM MDT, a severe thunderstorm was located near Fort Shaw, or
15 miles northwest of Cascade, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Fairfield, Fort Shaw, Fort Shaw, and Simms.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4737 11203 4761 11205 4765 11179 4734 11178
TIME...MOT...LOC 2145Z 264DEG 25KT 4745 11191
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glinskas
Action: Expired Issued At: 2025-07-28 17:08:59 259 WWUS55 KTFX 282208 SVSTFX Severe Weather Statement National Weather Service Great Falls MT 408 PM MDT Mon Jul 28 2025 MTC013-099-282218- /O.EXP.KTFX.SV.W.0107.000000T0000Z-250728T2215Z/ Teton MT-Cascade MT- 408 PM MDT Mon Jul 28 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL TETON AND NORTHWESTERN CASCADE COUNTIES WILL EXPIRE AT 415 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 and north central Montana. && LAT...LON 4737 11203 4761 11205 4765 11179 4734 11178 TIME...MOT...LOC 2208Z 270DEG 18KT 4745 11177 $$ Glinskas | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||