Special Weather Statement
Issued by NWS Great Falls, MT

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WWUS85 KTFX 180038
SPSTFX

Special Weather Statement
National Weather Service Great Falls MT
638 PM MDT Sun Aug 17 2025

MTZ314-318-180115-
Snowy and Judith Mountains MT-Fergus County below 4500ft MT-
638 PM MDT Sun Aug 17 2025

...STRONG THUNDERSTORMS WILL IMPACT EASTERN FERGUS COUNTY THROUGH 715
PM MDT...

At 638 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 14 miles east of Roy to 17 miles south of Grass
Range. Movement was east at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Grass Range and Fred Robinson Bridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4731 10859 4727 10860 4727 10872 4710 10874
      4708 10860 4676 10863 4676 10897 4764 10875
      4760 10850 4761 10844 4758 10842 4760 10840
      4757 10834 4759 10832 4732 10831
TIME...MOT...LOC 0038Z 282DEG 23KT 4738 10866 4678 10887

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

RCG