textproduct: Pocatello

KEY MESSAGES

- Winter Weather Advisories are in effect for portions of the Central Idaho mountains and for portions of the southeast and east highlands.

- Wind Advisories are in effect for portions of the Snake River plain and eastern Magic Valley through midnight.

- Cooler conditions with below normal temperatures continue through Saturday.

- Showers and high elevation snow showers continue into Friday for most.

UPDATE

Issued at 922 PM MDT Wed Apr 22 2026

Updated forecast to cancel the wind advisory a little early. Winds in most places have slipped below advisory levels, although expect brisk conditions through the night.

DISCUSSION

Issued at 135 PM MDT Wed Apr 22 2026

Strong cold front has pushed well east of Idaho with upper low sliding into Montana overnight. A cold northwesterly flow continues over eastern Idaho through Friday with well below normal temperatures continuing. In the short term wrap around moisture as the low pushes east will keep the high elevation snow and low elevation rain showers continuing. The central mountain high elevation winter weather advisory continues through 6 am and the eastern mountain advisory continues through midnight Thursday night. The wind advisory continues through midnight in the snake river plain and parts of eastern Magic Valley. Wind gusts over 50 mph have been common in the Mud lake and Arco desert region with 40 to 50 mph in the Snake River Plain common this afternoon. Precipitation winds down in the east Friday night. As far as freeze potential, Friday night looks like a very good probability of a hard freeze. Thursday night much more in question with significantly more cloud cover expected. But expect freeze warnings to be the next impact after the winds and high elevation snow subside.

Saturday looks to be the driest day in the long term period with the chance of or likely showers returning Sunday the wettest long term day with only a chance or slight chance then Monday through Wednesday. Will see a gradual warming trend Monday through Wednesday with below normal temperatures through Sunday then right around normal Monday to slightly above by Wednesday. High temperatures generally 30s and 40s mountains Thursday and Friday and 40s to lower 50s valleys. By next week highs in the 50s and 60s valleys and 40s and 50s mountains.

AVIATION /06Z TAFS THROUGH 06Z FRIDAY/

Issued at 922 PM MDT Wed Apr 22 2026

Starting to see precipitation fill in. Expect to see MVFR conditions at most places overnight with IFR likely at DIJ where temps are a little colder. Winds tonight at SUN may be a little erratic, so dealing with some uncertainty there.

PIH WATCHES/WARNINGS/ADVISORIES

Winter Weather Advisory until midnight MDT Thursday night for IDZ060-063-064-066. Winter Weather Advisory until 6 AM MDT Thursday for IDZ069- 071>074.