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

- Isolated Mountain Showers: High-resolution REFS guidance indicates isolated shower chances across the Central and eastern mountains this evening, but the vast majority of eastern Idaho will remain dry.

- Building Weekend Ridge: Models remain steadfast on establishing an upper-level ridge across the Intermountain West Friday through early next week, guaranteeing prolonged dry and tranquil conditions.

- Warmer Temperatures By Weekend: Temperatures will run near normal through Friday before climbing 7 to 10 degrees above seasonal averages Sunday into early next week, pushing lower- elevation highs toward 60F.

DISCUSSION

Issued at 1225 AM MST Thu Nov 5 2026

A weak shortwave will swing through the state today through early Friday, bringing low-end chances for precipitation across the higher terrain this evening through Friday morning. Have added PoPs up to 25 percent above 7,500 feet in the central mountains as well as along the MT Divide during the evening based on REFS guidance.

Daytime temperatures will remain very stable and run within a few degrees of normal through Friday with widespread highs ranging the 40s. A ridge of high pressure will begin to amplify over the region Friday behind the departing shortwave, which will keep conditions dry and mild through late next week. Southerly flow will help warm temperatures by more than 5 degrees on Sunday and temperatures will continue to run 5 to 10 degrees above climatological norms through much of next week, ranging the 50s for much of Southeast Idaho.

AVIATION /12Z TAFS THROUGH 12Z FRIDAY/

Issued at 440 AM MST Thu Nov 5 2026

MVFR CIGs still in place over KDIJ and expected to persist through around 16z. Otherwise, VFR elsewhere with skies clearing from west to east between 00z and 07z tonight. Have retained VCSH at KSUN between 19z and 03z as weak system brings isolated chances for showers to the central and eastern mountains. Mostly light and variable winds today outside of winds closer to 10 kts at KSUN.

PIH WATCHES/WARNINGS/ADVISORIES

None.

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