Special Weather Statement
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Note: Be sure to pay close attention to the date and time of each warning.
This document contains all warnings in the state so please read the
complete document.
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WWUS85 KMSO 112039
SPSMSO
Special Weather Statement
National Weather Service Missoula MT
239 PM MDT Fri Sep 11 2026
MTZ003-112115-
Flathead/Mission Valleys MT-
239 PM MDT Fri Sep 11 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN LAKE AND
SOUTHWESTERN FLATHEAD COUNTIES UNTIL 315 PM MDT...
At 239 PM MDT, Doppler radar was tracking a strong thunderstorm 9
miles west of Big Arm, or 16 miles northwest of Polson, moving east
at 10 mph.
HAZARD...Wind gusts up to 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Big Arm, Elmo, Proctor, Dayton and Niarada.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 4790 11449 4793 11422 4768 11422 4771 11453
4788 11453 4788 11449
TIME...MOT...LOC 2038Z 269DEG 8KT 4781 11446
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
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WWUS85 KTFX 110549
SPSTFX
Special Weather Statement
National Weather Service Great Falls MT
1149 PM MDT Thu Sep 10 2026
MTZ301-110615-
East Glacier Park Region MT-
1149 PM MDT Thu Sep 10 2026
...A THUNDERSTORM WILL IMPACT WEST CENTRAL GLACIER COUNTY UNTIL 1215
AM MDT...
At 1149 PM MDT, Doppler radar was tracking a thunderstorm about 10
miles west of Kiowa, moving northeast at 10 mph.
HAZARD...Wind gusts up to 30 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Mainly rural areas of West Central Glacier County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4860 11363 4873 11354 4861 11324 4847 11341
4849 11347 4855 11347 4855 11349 4856 11351
4859 11354 4858 11357 4858 11361
TIME...MOT...LOC 0548Z 212DEG 6KT 4856 11349
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH
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Brusda
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