Headline:
Special Weather Statement issued July 15 at 10:25PM MDT by NWS Great Falls MT
Event:
Special Weather Statement
Urgency:
Expected
Effective:
July 15, 2026 - 9:25pm
Expires:
July 15, 2026 - 10:45pm
Description:
At 1019 PM MDT, Doppler radar was tracking several thunderstorms
across southwest Montana, including cells east of Dillon, west of
Cameron and south of Big Sky. A strong thunderstorm was located 8
miles southwest of Monida Pass. These storms were tracking northeast
at 15 mph. In addition to lightning, wind gusts to 50 mph and brief
heavy downpours may occur with these storms. Hail up to one half
inch in diameter is possible with the cell approaching Monida Pass.
HAZARD...Wind gusts up to 50 mph and half-inch 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...
Monida, Big Sky, Red Rock Pass, Lakeview, Cameron, Snowline, and
Monida Pass.
Instruction:
Frequent cloud to ground lightning is occurring with some storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
Area Description:
Madison River Valley; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office:
NWS Great Falls MT
Sender:
w-nws.webmaster@noaa.gov