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

- Warming trend will persist through Wednesday, bringing widespread daytime temperatures back into the 70s.

- Breezy Tuesday, Wednesday and Thursday afternoon with advisory- level winds likely across the Arco Desert and Upper Snake River Plain on Wednesday.

DISCUSSION

Issued at 1214 PM MDT Mon Mar 23 2026

Early afternoon satellite shows high clouds streaming across Southeast Idaho from the West. Zonal flow is in place the first part of the week with weak moisture filtering into eastern Idaho. This could kick off some very light and isolated showers in the high terrain of the central and eastern mountains on Tuesday and Wednesday, but National Blend probability of just 0.10" QPF is less than 30% in the Island Park/Centennial Mountains region and less than 50% in the Sawtooths. West/southwest winds will increase beginning tomorrow and remain elevated each afternoon through Thursday. Advisory level wind speeds appear to be likely by Wednesday across the Arco Desert/Mud Lake region and portions of the Upper Snake River Plain, with the NBM indicating a 65% probability of max sustained winds reaching 30 mph and max wind gusts reaching 45 mph. Temperatures will warm by a few degrees each day through Wednesday, with daytime temperatures rising back into the low to mid- 70s across the Snake River Plain. The mostly dry cold front that shifts through late Wednesday into Thursday will cool temperatures down by 15 degrees or so on Thursday before temperatures rapidly rebound and a warming pattern takes hold again on Friday.

AVIATION /18Z TAFS THROUGH 18Z TUESDAY/

Issued at 1119 AM MDT Mon Mar 23 2026

VFR conditions will continue even with increasing mid and high level clouds. Low pressure skirting by well to our north will kick up some wind especially beyond the current forecast period for Tuesday afternoon. Lower clouds at SUN and DIJ are indicative the potential for nearby showers, but chance isn't high enough to mention as PROB30 or VCSH at the moment.

PIH WATCHES/WARNINGS/ADVISORIES

None.

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