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Home Return to list Severe Thunderstorm Warning 0117 Issued by the Great Falls Forecast Office
Action: New Issued At: 2025-07-28 18:15:30
471
WUUS55 KTFX 282315
SVRTFX
MTC027-290015-
/O.NEW.KTFX.SV.W.0117.250728T2315Z-250729T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
515 PM MDT Mon Jul 28 2025
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
Southeastern Fergus County in central Montana...
* Until 615 PM MDT.
* At 515 PM MDT, a severe thunderstorm was located 15 miles southeast
of Lewistown, moving southeast at 20 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...
Grass Range and Forestgrove.
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 4675 10864 4675 10895 4691 10930 4707 10916
4705 10861
TIME...MOT...LOC 2315Z 300DEG 18KT 4693 10916
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RCG
Action: Continued Issued At: 2025-07-28 19:06:02
966
WWUS55 KTFX 290005
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
605 PM MDT Mon Jul 28 2025
MTC027-290015-
/O.CON.KTFX.SV.W.0117.000000T0000Z-250729T0015Z/
Fergus MT-
605 PM MDT Mon Jul 28 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT
FOR SOUTHEASTERN FERGUS COUNTY...
At 605 PM MDT, a severe thunderstorm was located 15 miles south of
Grass Range, or 26 miles southwest of Winnett, moving southeast at 20
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Grass Range and Forestgrove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4675 10864 4675 10895 4691 10930 4707 10916
4705 10861
TIME...MOT...LOC 0005Z 300DEG 18KT 4680 10884
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RCG
Action: Expired Issued At: 2025-07-28 19:10:32
112
WWUS55 KTFX 290010
SVSTFX
Severe Weather Statement
National Weather Service Great Falls MT
610 PM MDT Mon Jul 28 2025
MTC027-290020-
/O.EXP.KTFX.SV.W.0117.000000T0000Z-250729T0015Z/
Fergus MT-
610 PM MDT Mon Jul 28 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FERGUS COUNTY
WILL EXPIRE AT 615 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 and heavy rain are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
central Montana.
&&
LAT...LON 4675 10864 4675 10895 4691 10930 4707 10916
4705 10861
TIME...MOT...LOC 0010Z 300DEG 18KT 4679 10882
$$
RCG
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