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
- Above average temperatures continue into next week
- Wet and windy conditions return starting Monday
SHORT TERM /THROUGH TONIGHT/
Issued at 104 AM MST Sat Dec 13 2025
High pressure should produce mostly sunny skies and lighter winds. Continued mild weather is expected with record or near record highs at many sites. The most vulnerable sites include IDA whose record is 46 set in 2014 and PIH whose record is 53 in 1969. LLJ and SNT could get close as well. Challis's record is 53 set in 1921 and Stanley is 50 in 1924. Burley is the only site that is safe with a record of 65 set in 1929.
LONG TERM /SUNDAY THROUGH FRIDAY/
Issued at 1144 AM MST Fri Dec 12 2025
Mild northwest flow pattern continues for the foreseeable future. Valley daytime highs remain well above normal for this time of year, and overnight lows are close to the normal highs. We do see the ridge begin to shift east Monday with onset of precipitation across the region Monday night into Tuesday. Clusters this morning are similar on timing of the breakdown and arrival of precipitation and wind into East Idaho for midweek. Precipitation appears focused for the higher elevations of East Idaho, particularly the western edges of the central mountain zones and along the Wyoming border. Snow levels remain high as the system arrives, but do weaken through the day Wednesday with progression of a cold front through the region. Temperatures do lower Tuesday into Wednesday, but remain warm at lower levels so any precipitation that does fall through the Snake Plain will likely remain rain, at least until Wednesday night as overnight lows approach freezing. Unsettled and mild conditions continue through the end of the week and forecast period with another feature bringing mainly higher elevation snow.
AVIATION /12Z TAFS THROUGH 12Z SUNDAY/
Issued at 317 AM MST Sat Dec 13 2025
Few impacts expected today with light winds over much of the region. Expect SUN to develop a tailwind/upvalley wind this afternoon. Otherwise, just some high clouds drifting through the region.
PIH WATCHES/WARNINGS/ADVISORIES
None.
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