Special Weather Statement

Special Weather Statement
National Weather Service Boise ID
307 PM MDT Mon May 25 2026

IDZ011-013-252145-
West Central Mountains ID-Boise Mountains ID-
307 PM MDT Mon May 25 2026

...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL BOISE AND SOUTH
CENTRAL VALLEY COUNTIES THROUGH 345 PM MDT...

At 306 PM MDT, Doppler radar was tracking a strong thunderstorm near
Scott Mountain, or 7 miles northwest of Lowman, moving north at 25
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. Areas of blowing dust reducing
         visibility.

Locations impacted include...
Deadwood Reservoir, Silver Creek Work Center, Clear Creek Summit,
Monumental Peak, Scott Mountain, and Deer Creek Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4408 11552 4412 11582 4456 11579 4451 11533
TIME...MOT...LOC 2106Z 189DEG 21KT 4419 11568

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

$$

JY

Special Weather Statement
National Weather Service Boise ID
253 PM MDT Mon May 25 2026

IDZ014-015-029-252145-
Upper Treasure Valley ID-Southwest Highlands ID-Owyhee Mountains ID-
253 PM MDT Mon May 25 2026

...STRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN ELMORE AND SOUTHERN
OWYHEE COUNTIES THROUGH 345 PM MDT...

At 253 PM MDT, Doppler radar was tracking a cluster of strong
thunderstorms near The Hat, or 43 miles north of Owyhee, moving
northeast at 25 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Areas of blowing dust reducing
         visibility. Minor damage to outdoor objects is possible.

Locations impacted include...
Grand View, Silver City, Bruneau, Star Ranch, Turner Butte, Cliffs,
Hinton Reservoir, Triangle, Bybee Reservoir, Toy Pass, Black Warrior
Mountain, Dollar Butte, The Hat, Mud Flat Spring, Oreana, Crab Spring
Butte, Chalk Hills, Spencer Butte, Brace Ranch, and Indian Meadows.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4246 11703 4255 11703 4312 11679 4311 11658
      4304 11651 4310 11650 4309 11624 4288 11538
      4219 11627
TIME...MOT...LOC 2053Z 208DEG 20KT 4257 11615

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

$$

JM

Short Term Forecast

Short Term Forecast
National Weather Service Great Falls MT
222 PM MDT Mon May 25 2026

MTZ324>330-252130-
Missouri Headwaters-Madison River Valley-Gallatin Valley-
Northwest Beaverhead County-
Beaverhead and Western Madison below 6000ft-
Ruby Mountains and Southern Beaverhead Mountains-
Gallatin and Madison County Mountains and Centennial Mountains-
Including Harrison, Three Forks, Willow Creek, Pony, Whitehall,
Cameron, Ennis, Jeffers, McAllister, Norris, Bozeman,
Gallatin Gateway, Dewey, Wisdom, Wise River, Big Hole Pass,
Chief Joseph Pass, Bannack, Dillon, Glen, Waterloo, Monida Pass,
Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass
222 PM MDT Mon May 25 2026

.NOW...
At 220 PM, scattered showers and thunderstorms are developing over
Southwest MT. Expect a brief period of rain and some wind gusts
around 35 mph as the storms move through, along with occasional
lightning.

The storms will affect areas around Polaris, Twin Bridges,
Sheridan and Big Sky over the next hour.

Those outside should have a plan to seek a safe shelter should a
thunderstorm approach.

$$

Brusda