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
- After a brief relative cooldown through Tuesday, the dry and warming trend returns through the end of the week.
- Inversions may break provided there is sufficient mixing Monday and Tuesday, but stagnant conditions will return for the latter half of the week as upper level high pressure ridge moves overhead by Wednesday.
SHORT TERM /THROUGH TUESDAY NIGHT/
Issued at 1235 PM MST Mon Feb 2 2026
A weak wave will move southeast in northwest flow aloft and may clip Island Park area briefly Tuesday and that is only place we have any precipiation chances through Tuesday night. Would be early Tuesday. Will be completely dry elsewhere. No impacts at all expected. Lows tonight 20s mountains but single digits and teens in the colder valleys and 20s to lower 30s Snake Plain and Magic Valley. Highs Tuesday 30s to lower 40s mountains and 40s to around 50 valleys. Light winds expected.
LONG TERM /WEDNESDAY THROUGH MONDAY/
Issued at 1235 PM MST Mon Feb 2 2026
Upper level ridge rebuilds overhead Wednesday and will see very mild and dry conditions through Saturday. Highs if no inversions form will be in the 40s mountains and 50s to near 60 valleys through Saturday. Lows teens and 20s mountains and 20s and 30s valleys. Long range models are indicating the ridge breaking down next week with a bit of a pattern chance. European model the quickest and have some chances of precipitation back in grist late Sunday and widespread precipitation on Monday. Highs by Monday in the 30s mountains and 40s valleys. The light winds will continue through the period with some increase.
AVIATION /18Z TAFS THROUGH 18Z TUESDAY/
Issued at 1029 AM MST Mon Feb 2 2026
Increasing high and mid level clouds are expected across central and eastern Idaho in the next 24 hours. There will be some lower clouds that will be impacting mainly DIJ overnight and Tuesday morning, as a weak storm clips the Divide. At the moment, the potential for light precipitation is under 10%, so we will only indicate scattered to broken low clouds BUT remain VFR.
PIH WATCHES/WARNINGS/ADVISORIES
None.
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