Tomorrow | Weather | Pocatello, Idaho

Active Weather Warnings
Thursday, May 21, 2026
Partly Sunny with Showers
Day 64°
Night 36°
Precipitation 84 %
Wind 12 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (May 21, 2025)

Day

66°

Night

36°

Weather Alerts and Warnings for

Moderate Expected Likely

Lake Wind Advisory

Lake Wind Advisory issued May 20 at 4:34PM MDT until May 21 at 9:00PM MDT by NWS Pocatello ID
May 21, 11:00 AM May 21, 9:00 PM
WHAT: North to northeast winds 10 to 15 mph with gusts up to 25
mph expected for American Falls Reservoir.

WHERE: American Falls Reservoir.

WHEN: From 11 AM to 9 PM MDT Thursday.

IMPACTS: Strong winds and rough waves on area lakes will create
hazardous conditions for small craft, especially near the dam.
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Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft.
Updated: May 20, 5:06 PM Source: NWS Alert