811
WWUS85 KMSO 012258
SPSMSO

Special Weather Statement
National Weather Service Missoula MT
458 PM MDT Fri Aug 1 2025

MTZ004>006-043-012345-
Bitterroot/Sapphire Mountains MT-Missoula/Bitterroot Valleys MT-
Lower Clark Fork Region MT-Potomac/Seeley Lake Region MT-
458 PM MDT Fri Aug 1 2025

...A strong thunderstorm will impact portions of south central
Missoula County through 545 PM MDT...

At 457 PM MDT, trained weather spotters reported a strong
thunderstorm over Lolo, or near Missoula. This storm was nearly
stationary.

HAZARD...Wind gusts up to 40 mph. Locally very heavy rain.

SOURCE...Trained weather spotters.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Missoula, Lolo, Wye, and East Missoula.

This includes the following highways...
 Interstate 90 between mile markers 93 and 107.
 Highway 93 N between mile markers 0 and 1.
 Highway 93 S between mile markers 79 and 94.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4670 11408 4680 11430 4700 11417 4684 11385
TIME...MOT...LOC 2257Z 215DEG 3KT 4681 11413

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$