textproduct: Pocatello
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
- Prolonged Quiet Weather Period: High pressure and dry air will keep eastern Idaho completely dry with minimal cloud cover through the workweek, upcoming weekend, and into early October.
- Unseasonable Late-Week Warmth: An amplifying Great Basin ridge will boost lower-elevation temperatures into the upper 70s and lower 80s starting today and continuing through the weekend.
- No Fall-Like Weather in Sight: High confidence exists for above-normal temperatures and suppressed precipitation extending through the first full week of October.
DISCUSSION
Issued at 150 AM MDT Thu Oct 1 2026
High pressure will remain in control of our weather pattern well into next week, resulting in a prolonged period of warm and dry conditions. Ensembles indicate a weak shortwave passing to our north may flatten the ridge a bit early next week, but impacts look to be minimal with little to no precipitation and only a minor cooldown. Temperatures will run above climatological norms through at least late next week and likely beyond. At peak warmth, daytime temperatures will run up to around 10 degrees above normal this weekend with valley locations warming into the low to mid-80s.
AVIATION /12Z TAFS THROUGH 12Z FRIDAY/
Issued at 454 AM MDT Thu Oct 1 2026
VFR conditions forecast under high pressure and clear skies. Afternoon winds will continue to be slightly breezy before becoming light again overnight.
FIRE WEATHER
Issued at 150 AM MDT Thu Oct 1 2026
High pressure will remain in control of our weather pattern well into next week, resulting in a prolonged period of warm and dry conditions. Ensembles indicate a weak shortwave passing to our north may flatten the ridge a bit early next week, but impacts look to be minimal with little to no precipitation and only a minor cooldown. Temperatures will run above climatological norms through at least late next week and likely beyond. At peak warmth, daytime temperatures will run up to around 10 degrees above normal this weekend with valley locations warming into the low to mid-80s. Minimum humidity is forecast to drop below 15 percent in localized areas beginning Friday with more widespread humidities below 15 percent on Sunday. Winds will generally remain light outside of occasional breezy afternoon wind gusts.
PIH WATCHES/WARNINGS/ADVISORIES
None.
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