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Home Return to list Severe Thunderstorm Warning 0091 Issued by the Great Falls Forecast Office
Action: New Issued At: 2026-08-14 20:08:32
522
WUUS55 KTFX 150108
SVRTFX
MTC007-031-150215-
/O.NEW.KTFX.SV.W.0091.260815T0108Z-260815T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
708 PM MDT Fri Aug 14 2026
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
Southern Broadwater County in southwestern Montana...
Northeastern Gallatin County in south central Montana...
* Until 815 PM MDT.
* At 708 PM MDT, a severe thunderstorm was located near Manhattan, or
24 miles northwest of Bozeman, moving east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bozeman, Belgrade, Manhattan, Trident, Menard, and Logan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4580 11141 4584 11143 4591 11143 4593 11149
4599 11147 4600 11142 4603 11142 4608 11081
4586 11079 4561 11080
TIME...MOT...LOC 0108Z 264DEG 17KT 4594 11140
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ludwig
Action: Cancelled Issued At: 2026-08-14 20:30:33
152
WWUS55 KTFX 150130
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
730 PM MDT Fri Aug 14 2026
MTC007-150140-
/O.CAN.KTFX.SV.W.0091.000000T0000Z-260815T0215Z/
Broadwater MT-
730 PM MDT Fri Aug 14 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BROADWATER COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4572 11117 4585 11113 4605 11119 4608 11081
4586 11079 4561 11080
TIME...MOT...LOC 0130Z 264DEG 17KT 4595 11125
$$
MTC031-150215-
/O.CON.KTFX.SV.W.0091.000000T0000Z-260815T0215Z/
Gallatin MT-
730 PM MDT Fri Aug 14 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT
FOR NORTHEASTERN GALLATIN COUNTY...
At 730 PM MDT, a severe thunderstorm was located 7 miles northeast of
Manhattan, or 21 miles northwest of Bozeman, moving east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bozeman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4572 11117 4585 11113 4605 11119 4608 11081
4586 11079 4561 11080
TIME...MOT...LOC 0130Z 264DEG 17KT 4595 11125
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ludwig
Action: Continued Issued At: 2026-08-14 20:30:33
152
WWUS55 KTFX 150130
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
730 PM MDT Fri Aug 14 2026
MTC007-150140-
/O.CAN.KTFX.SV.W.0091.000000T0000Z-260815T0215Z/
Broadwater MT-
730 PM MDT Fri Aug 14 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BROADWATER COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4572 11117 4585 11113 4605 11119 4608 11081
4586 11079 4561 11080
TIME...MOT...LOC 0130Z 264DEG 17KT 4595 11125
$$
MTC031-150215-
/O.CON.KTFX.SV.W.0091.000000T0000Z-260815T0215Z/
Gallatin MT-
730 PM MDT Fri Aug 14 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT
FOR NORTHEASTERN GALLATIN COUNTY...
At 730 PM MDT, a severe thunderstorm was located 7 miles northeast of
Manhattan, or 21 miles northwest of Bozeman, moving east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bozeman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4572 11117 4585 11113 4605 11119 4608 11081
4586 11079 4561 11080
TIME...MOT...LOC 0130Z 264DEG 17KT 4595 11125
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ludwig
Action: Expired Issued At: 2026-08-14 21:08:04
988
WWUS55 KTFX 150207
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
807 PM MDT Fri Aug 14 2026
MTC031-150217-
/O.EXP.KTFX.SV.W.0091.000000T0000Z-260815T0215Z/
Gallatin MT-
807 PM MDT Fri Aug 14 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GALLATIN COUNTY
WILL EXPIRE AT 815 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds are still possible with this thunderstorm.
&&
LAT...LON 4572 11117 4585 11113 4605 11119 4608 11081
4586 11079 4561 11080
TIME...MOT...LOC 0207Z 264DEG 17KT 4597 11102
$$
Ludwig
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