textproduct: Boise

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

KEY MESSAGES

- Breezy afternoon winds across the western Snake Plain Wednesday.

- Dry with above normal temperatures warming through this weekend.

SHORT TERM /Through Thursday Night/

Dry westerly flow will remain in place through Thursday. With little change in the pattern temperatures will hold fairly steady. The cool nights and warm afternoons keep the wide diurnal temperature spreads (30-45 degrees) in place. Wednesday will bring another round of breezy afternoon winds, mostly across the Snake Plain. High temperatures will hold around 5 degrees above normal, or upper 70s at lower elevations.

LONG TERM /Friday through Tuesday/

Warming picks up over the weekend in response to a building ridge. Temperatures will push to around 10 degrees above normal, putting lower elevations into the low-mid 80s starting Friday. Models continue to show a minor upper low track across southern OR/ID on Monday. The precipitation threat remains minimal with development likely limited to higher terrain Monday afternoon. Temperatures remain well above normal heading into next week as a dry weather pattern continues.

AVIATION /12Z Tuesday through Wednesday/

Issued 536 AM MDT TUE SEP 29 2026

VFR. Surface winds: variable up to 10 kt, then W to NW 5-15 kt during the afternoon. Afternoon gusts around 20-25 kt between KBOI-KJER. Winds aloft at 10kft MSL: NW 10-20 kt.

KBOI...VFR. Surface winds: variable around 5 kt, then NW 7-12 kt with gusts around 20 kt this afternoon.

BOI WATCHES/WARNINGS/ADVISORIES

ID...None.

OR...None.

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