Weather Warnings for Idaho

Issued by the National Weather Service

Current watches, warnings, and advisories for Idaho
Alerts Updated: February 6, 2026, 9:13 am  UTC


Air Stagnation Advisory issued February 6 at 2:13AM MST until February 8 at 11:00PM MST by NWS Boise ID

Summary: * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...Until 11 PM MST /10 PM PST/ Sunday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Severity:  Moderate    Effective:  February 6, 2026, 2:13 am      Expires:  February 6, 2026, 10:15 am
Area:  Lower Treasure Valley; Upper Treasure Valley; Western Magic Valley; Upper Weiser River; Oregon Lower Treasure Valley


Dense Fog Advisory issued February 5 at 8:48PM PST until February 6 at 12:00PM PST by NWS Spokane WA

Summary: * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Plummer, Moscow, Oakesdale, Clarkston, Davenport, Cheney, Downtown Spokane, Uniontown, La Crosse, Tekoa, Alpowa Summit, Spokane Valley, Pomeroy, Airway Heights, Pullman, Colfax, Rockford, Potlatch, Fairfield, Rosalia, and Genesee. * WHEN...Until noon PST Friday. * IMPACTS...Areas of dense fog will continue to increase overnight, with reduced visibility to a quarter mile or less, making driving conditions hazardous. In addition, temperatures near freezing in some areas will lead to locally slick roadways.
Severity:  Moderate    Effective:  February 5, 2026, 8:48 pm      Expires:  February 6, 2026, 7:15 am
Area:  Idaho Palouse; Lower Garfield and Asotin Counties; Washington Palouse; Spokane Area


Air Stagnation Advisory issued February 4 at 12:36PM MST until February 9 at 11:00AM MST by NWS Pocatello ID

Summary: * WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Franklin/Eastern Oneida Region and Lower Snake River Plain. * WHEN...Until 11 AM MST Monday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.
Severity:  Moderate    Effective:  February 4, 2026, 12:36 pm      Expires:  February 9, 2026, 11:00 am
Area:  Lower Snake River Plain; Franklin/Eastern Oneida Region