textproduct: Pocatello

KEY MESSAGES

- A mix of wet and dry thunderstorms expected today. Red Flag Warnings are in place for portions of East Idaho.

- Breezy and much cooler Today.

- ABOVE AVERAGE temperatures expected well into next week with very low humidity returning Monday through next week.

DISCUSSION

Issued at 316 AM MDT Sat Jun 20 2026

An upper level trof is moving through Idaho today and will bring isolated to scattered showers and thunderstorms. There is a 50 percent chance some of the central mountains could see over 0.10 inches of rain and some eastern mountain areas by Sunday morning. But overall is starting out very dry so little risk at all of significant precipitation unless a very strong thunderstorm develops. It will be much cooler today with highs mainly 60s and 70s mountains and 70s to lower 80s valleys. Will be breezy in the Eastern Magic Valley and Snake River Plain with 25 to 35 mph wind gusts expected. Sunday will see only isolated showers and thunderstorms in the eastern mountains with minimal chances elsewhere. Monday through Friday will be dry with a warming trend with high temperatures 5 to 10 degrees above normal Tuesday into Thursday. After Sunday no precipitation expected until next weekend at the earliest.

AVIATION /12Z TAFS THROUGH 12Z SUNDAY/

Issued at 424 AM MDT Sat Jun 20 2026

Main impact today will be upper level system working through Idaho and expect convective activity and have vicinity showers and thunderstorms at all sites through today and this evening. Expect steadier rain overnight at DIJ. Winds will pick up in the afternoon with 10 to 20 knots sustained with gusts 25 to 30 knots with higher gusts near thunderstorms.

FIRE WEATHER

Issued at 215 AM MDT Sat Jun 20 2026

A RED FLAG WARNING is in effect for Fire Weather Zones 410, 413, 422, 427, 475, and 475 from 6 AM to 9 PM today for scattered thunderstorm activity.

An upper level wave is pushing through Idaho today and is expected to cause scattered thunderstorms throughout the day. Red Flag Warnings are in effect for most of southeast Idaho. Will start out very dry but There is at least a 50 percent chance of wetting rain through tonight mainly in zones 411, 413, 422, 475 and 476. But a lot of storms will start out dry. there is a potential for 35 to 50 mph outflow wind gusts this afternoon and evening as well. It will be much cooler today with higher minimum humidity than yesterday. It will begin to warm up again Sunday and dry out once again. Some isolated thunderstorms will linger mainly in zone 411 and eastern zone 410 as well as 413. Gusty winds up to 30 mph possible in zones 410 and 425. Generally a warm and dry week expected Monday through Friday with the next potential for storms next weekend.

PIH WATCHES/WARNINGS/ADVISORIES

Red Flag Warning until 9 PM MDT this evening for IDZ410-413- 422-427-475-476.