textproduct: Pocatello

KEY MESSAGES

- Continued moderate northeast flow in Snake River plain means Lake Wind Advisory for American Falls Reservoir.

- Warming and drying starts today, with humidity reaching critically dry thresholds at most low elevations by Tuesday.

- Winds return Tuesday afternoon and continue through Wednesday afternoon, potentially causing critical fire weather conditions both days. Also have potential for wind advisories as well.

DISCUSSION

Issued at 135 PM MDT Sun Jun 14 2026

Expecting no impacts through Monday with northeast winds diminishing this evening and mainly light winds tonight and Monday. Will see warmer conditions Monday with highs reaching the 70s mountains and 80s valleys and even warmer Tuesday with low elevations around 90. The big impacts will come Tuesday afternoon as winds are expected to increase significantly with 15 to 30 mph sustained and gusts 30 to 40 mph in the Eastern Magic Valley and southern hills. On Wednesday expect the strong winds in the same location and into the Snake River Plain with the 15 to 30 mph sustained and 30 to 45 mph gusts continuing. There is the potential for some wind advisories both Tuesday and Wednesday in a few zones. It will be slightly cooler Wednesday by about 5 degrees with highs ranging upper 60s to 70s mountains and 80s lower elevations. Will see a significant decrease in winds Thursday and Friday with no wind impacts expected. The next chance for precipitation will be next weekend Saturday and Sunday with the potential for some shower and thunderstorm activity as an upper level system is currently projected to move through Idaho.

AVIATION /18Z TAFS THROUGH 18Z MONDAY/

Issued at 1133 AM MDT Sun Jun 14 2026

Northerly flow continues across East Idaho today, though SUN is expected to briefly turn to cross-runway southwesterly flow this afternoon. Winds decrease to light and variable almost everywhere overnight. SUN returns to southerly upslope flow late Monday morning. VFR skies continue.

FIRE WEATHER

Issued at 143 AM MDT Sun Jun 14 2026

A warming and drying trend is setting up and will bring afternoon humidity into the critical values below 15 percent as early as today in western portions and by Tuesday everywhere at the low elevations, save for the Targhee portion of the Caribou-Targhee NF. An incoming low will kick up wind as early as Tue afternoon and continue the strong wind Wed and Thu. Critical fire weather conditions will be here as fuel moisture continues to drop. Depending on how fast those reach critical levels, then there may be Red Flag Warnings needed Wednesday and Thursday.

PIH WATCHES/WARNINGS/ADVISORIES