Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph. Locally
higher gusts are possible in favored terrain areas.
* WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Lower Snake
River Plain, Raft River Region, and Southern Hills/Albion
Mountains.
* WHEN...Until 8 PM MST this evening.
* IMPACTS...Gusty winds could make driving difficult, especially for
high profile vehicles. Unsecured objects may be blown around.
Pockets of blowing and drifting snow are possible where snow left
on the ground exists after it has ended.
From: Feb 18, 2026 17:59
Until: Feb 19, 2026 03:00
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Lower Snake
River Plain, Raft River Region, and Southern Hills/Albion
Mountains.
* WHEN...From 9 AM this morning to 8 PM MST this evening.
* IMPACTS...Gusty winds could make driving difficult, especially for
high profile vehicles. Unsecured objects may be blown around.
Pockets of blowing and drifting snow are possible where snow left
on the ground exists after it has ended.
From: Feb 18, 2026 10:09
Until: Feb 19, 2026 03:00
Air Stagnation Advisory
* 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
northeast and southeast Oregon.
* WHEN...Until noon MST /11 AM PST/ Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 23, 2026 17:43
Until: Jan 24, 2026 19:00
Air Stagnation Advisory
* 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
northeast and southeast Oregon.
* WHEN...Until noon MST /11 AM PST/ today.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 23, 2026 11:56
Until: Jan 23, 2026 19:00
Air Stagnation Advisory
* 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
northeast and southeast Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Friday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 20, 2026 20:47
Until: Jan 23, 2026 12:00
Air Stagnation Advisory
* 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...Western Magic Valley.
* WHEN...Until 11 AM MST Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 19, 2026 17:39
Until: Jan 20, 2026 21:00
Air Stagnation Advisory
* 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 southwest Idaho and northeast and southeast
Oregon.
* WHEN...Until 11 AM MST /10 AM PST/ Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 19, 2026 17:39
Until: Jan 20, 2026 21:00
Wind Advisory
* WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected.
* WHERE...Eastern Magic Valley, Raft River Region, and Southern
Hills/Albion Mountains.
* WHEN...From 6 AM this morning to 4 PM MST this afternoon.
* IMPACTS...Gusty winds could make driving difficult, especially for
high profile vehicles. Unsecured objects may be blown around.
From: Jan 08, 2026 08:51
Until: Jan 08, 2026 23:00
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to 4 inches with up
to 8 above pass level.
* WHERE...Sawtooth/Stanley Basin, Sun Valley Region, Big Hole
Mountains, and Centennial Mountains - Island Park.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday evening commute.
From: Jan 07, 2026 20:42
Until: Jan 08, 2026 06:00
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations 1 to 3 inches.
* WHERE...Boise Mountains.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions.
From: Jan 07, 2026 21:32
Until: Jan 08, 2026 06:00
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations of 3 to 6 inches in
the valleys, 10-16 inches above 6000 feet. Gusty winds up to 35
mph will produce localized drifting and blowing snow.
* WHERE...Boise Mountains.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Roads will likely become slick and hazardous. Travel
could be very difficult.
From: Jan 07, 2026 09:33
Until: Jan 07, 2026 23:00
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations between 4 and 8 inches
above 6 thousand feet and up to 4 inches below 6 thousand feet.
Winds gusting as high as 40 mph.
* WHERE...Sawtooth/Stanley Basin, Sun Valley Region, Big Hole
Mountains, and Centennial Mountains - Island Park.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning and evening commutes.
From: Jan 07, 2026 08:22
Until: Jan 07, 2026 22:15
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations of 3 to 7 inches in
the valleys, 12-18 inches above 6000 feet. Gusty winds will
produce localized drifting and blowing snow.
* WHERE...Boise Mountains.
* WHEN...From 2 PM Tuesday to 11 PM MST Wednesday.
* IMPACTS...Roads will likely become slick and hazardous. Travel
could be very difficult.
From: Jan 05, 2026 20:49
Until: Jan 06, 2026 13:00
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations up to 3 inches.
* WHERE...Wood River Foothills.
* WHEN...From 5 PM this afternoon to 5 PM MST Tuesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes.
From: Jan 05, 2026 20:55
Until: Jan 06, 2026 12:00
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 2 and 11
inches. Winds gusting as high as 35 mph.
* WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness,
Sawtooth/Stanley Basin, and Sun Valley Region.
* WHEN...From 5 PM this afternoon to 5 PM MST Tuesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes.
From: Jan 05, 2026 20:55
Until: Jan 06, 2026 12:00
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations of 2 to 5 inches with
locally higher amounts above pass level.
* WHERE...Big Lost Highlands/Copper Basin, Sawtooth/Stanley Basin,
Sun Valley Region, and Big Hole Mountains.
* WHEN...Until 3 PM MST this afternoon.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday morning commute.
From: Jan 05, 2026 09:08
Until: Jan 05, 2026 22:00
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations between 2 to 6 inches
below 7000 feet, including Ketchum and Stanley, as well as Pine
Creek Pass. Above 7000 feet, 10 to 20 inches. This includes
Galena, Banner and Emigration Summits. Highest amounts will be
above pass level.
* WHERE...Big Lost Highlands/Copper Basin, Sawtooth/Stanley Basin,
Sun Valley Region, Big Hole Mountains, and Bear River Range. This
includes ID 36 over Emigration Summit, ID 31 over Pine Creek Pass,
ID 75 over Galena Summit, and ID 21 over Banner Summit.
* WHEN...Until 3 PM MST Monday.
* IMPACTS...Travel could become very difficult at times. The
hazardous conditions could impact the Monday morning commute.
From: Jan 04, 2026 08:44
Until: Jan 04, 2026 22:00
Winter Weather Advisory
* WHAT...Snow. 3 to 6 inches for elevations below 7000 feet. This
includes Stanley and Ketchum. Above 7000 feet, snowfall amounts of
1-2 feet are likely through Monday afternoon including on Galena
and Emigration Summits.
* WHERE...Big Lost Highlands/Copper Basin, Sawtooth/Stanley Basin,
Sun Valley Region, Big Hole Mountains, and Bear River Range.
* WHEN...Until 3 PM MST Monday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Monday morning commute.
From: Jan 03, 2026 20:20
Until: Jan 04, 2026 12:00
Air Stagnation Advisory
* 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 southwest Idaho and southeast Oregon.
* WHEN...Until 8 AM MST /7 AM PST/ Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 31, 2025 20:30
Until: Jan 01, 2026 22:00
Air Stagnation Advisory
* WHAT...A 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...Boise Mountains and West Central Mountains.
* WHEN...Until 8 AM MST Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 30, 2025 20:25
Until: Dec 31, 2025 13:00
Air Stagnation Advisory
* WHAT...A 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 southwest Idaho and southeast Oregon.
* WHEN...Until 8 AM MST /7 AM PST/ Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 30, 2025 20:25
Until: Dec 31, 2025 13:00
Air Stagnation Advisory
* 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
northeast and southeast Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 30, 2025 09:58
Until: Dec 30, 2025 22:00
Air Stagnation Advisory
* 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 trap pollutants in the valleys.
* WHERE...Portions of south central and southwest Idaho and
northeast and southeast Oregon.
* WHEN...Until 10 AM MST /9 AM PST/ Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 29, 2025 19:21
Until: Dec 30, 2025 13:00
