WWUS85 KMSO 122312
SPSMSO

Special Weather Statement
National Weather Service Missoula MT
512 PM MDT Sun Apr 12 2026

MTZ007-130000-
Butte/Blackfoot Region MT-
512 PM MDT Sun Apr 12 2026

...A strong thunderstorm will impact portions of southeastern Powell
County through 600 PM MDT...

At 511 PM MDT, Doppler radar was tracking a strong thunderstorm 9
miles east of Deer Lodge, moving north at 20 mph.

HAZARD...Wind gusts up to 40 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...
Deer Lodge, Blossburg, Avon, and Elliston.

This includes the following highways...
 Interstate 90 between mile markers 182 and 185.
 Highway 12 Garrison to MacDonald Pass between mile markers 5 and 24.

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.

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 4634 11248 4633 11250 4639 11274 4678 11262
      4676 11254 4670 11253 4670 11241 4666 11240
      4666 11232 4663 11230
TIME...MOT...LOC 2311Z 197DEG 19KT 4644 11259

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

$$