753
WWUS75 KPIH 212047
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
147 PM MST Fri Nov 21 2025

IDZ051>055-065>067-221700-
/O.NEW.KPIH.FG.Y.0001.251122T0600Z-251122T1700Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-Teton Valley-
Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands-
Including the cities of Burley, Tetonia, Kilgore, Rupert,
Pocatello, INL, Shelley, St. Anthony, American Falls, Carey,
Small, Mud Lake, Ashton, Rexburg, Edie School, Oakley, Blackfoot,
Dubois, Craters of the Moon NM, Island Park, Fort Hall, Idaho
Falls, Driggs, Richfield, Heyburn, Shoshone, and Spencer
147 PM MST Fri Nov 21 2025

...DENSE FOG ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 10 AM MST
SATURDAY...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Beaverhead - Lemhi Highlands, Centennial Mountains -
  Island Park, Teton Valley, Eastern Magic Valley, Shoshone/Lava
  Beds, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper
  Snake River Plain.

* WHEN...From 11 PM this evening to 10 AM MST Saturday.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

Visit weather.gov/pocatello for more information.

AM