Boise, Idaho

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Southern Clearwater Mountains; Western Lemhi County; Eastern Lemhi County; Bitterroot/Sapphire Mountains; Butte/Blackfoot Region
Effective: 2026-01-07 @ 9:27 am
Onset: 2026-01-07 @ 9:27 am -> 2026-01-07 @ 10:15 am
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Missoula MT on 2026-01-07 @ 9:27 am
Headline: Special Weather Statement issued January 7 at 8:27AM MST by NWS Missoula MT
Description: At 826 AM MST/726 AM PST/, Doppler radar was tracking intense snow
showers along a line extending from 14 miles north of Helena to 40
miles west of North Fork. Movement was east at 40 mph.

HAZARD...Heavy snow. Visibility one-half mile or less and wind gusts
up to 40 mph.

SOURCE...Radar and webcam indicated.

IMPACT...Low visibility could result in dangerous driving
conditions. Gusty winds could knock down tree limbs and
blow around unsecured objects. Snowfall rates of one to two
inches per hour quickly accumulating on all surfaces.

Locations impacted include...
Salmon, Deer Lodge, Butte, Anaconda, Silver Bow, Walkerville, Galen,
Divide, Warm Springs, Gregson Hot Springs, West Valley, North Fork,
Gibbonsville, Lost Trail Pass, Carmen, Leesburg, Fishtrap, Racetrack,
Baker, and Opportunity.

This includes the following highways...
Interstate 90 between mile markers 182 and 225.
Highway 12 Garrison to MacDonald Pass between mile markers 19 and
26.
Highway 93 S between mile markers 0 and 11.

Alert: Winter Storm Warning
Area(s): Central Panhandle Mountains
Effective: 2026-01-07 @ 8:59 am -> 2026-01-07 @ 12:00 pm
Onset: 2026-01-07 @ 8:59 am -> 2026-01-07 @ 12:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Spokane WA on 2026-01-07 @ 8:59 am
Headline: Winter Storm Warning issued January 7 at 6:59AM PST until January 7 at 10:00AM PST by NWS Spokane WA
Description: * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches.
Winds gusting as high as 40 mph.

* WHERE...Kellogg, Fernwood, Dobson Pass, Fourth Of July Pass,
Lookout Pass, Pinehurst, Mullan, Osburn, St. Maries, and Wallace.

* WHEN...Until 10 AM PST this morning.

* IMPACTS...Travel will be very difficult. Winter driving conditions
will impact the Wednesday morning commute. Gusty winds could bring
down tree branches.

Alert: Winter Weather Advisory
Area(s): Northern Panhandle
Effective: 2026-01-07 @ 8:59 am -> 2026-01-07 @ 12:00 pm
Onset: 2026-01-07 @ 8:59 am -> 2026-01-07 @ 12:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Spokane WA on 2026-01-07 @ 8:59 am
Headline: Winter Weather Advisory issued January 7 at 6:59AM PST until January 7 at 10:00AM PST by NWS Spokane WA
Description: * WHAT...Snow. Additional snow accumulations up to one inch. Winds
gusting as high as 40 mph.

* WHERE...Sandpoint, Clark Fork, Bonners Ferry, Schweitzer Mountain
Road, Eastport, Priest River, and Athol.

* WHEN...Until 10 AM PST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning commute.

Alert: Winter Weather Advisory
Area(s): West Central Mountains
Effective: 2026-01-07 @ 3:33 am -> 2026-01-08 @ 12:00 am
Onset: 2026-01-07 @ 3:33 am -> 2026-01-07 @ 5:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Boise ID on 2026-01-07 @ 3:33 am
Headline: Winter Weather Advisory issued January 7 at 2:33AM MST until January 7 at 11:00PM MST by NWS Boise ID
Description: * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches in
valleys, 10-20 inches above 6000 feet. Gusty winds up to 35 mph
will produce localized blowing and drifting snow.

* WHERE...West Central Mountains.

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Roads will likely become slick and hazardous. Travel
could be very difficult.

Alert: Winter Weather Advisory
Area(s): Boise Mountains
Effective: 2026-01-07 @ 3:33 am -> 2026-01-08 @ 12:00 am
Onset: 2026-01-07 @ 3:33 am -> 2026-01-07 @ 5:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Boise ID on 2026-01-07 @ 3:33 am
Headline: Winter Weather Advisory issued January 7 at 2:33AM MST until January 7 at 11:00PM MST by NWS Boise ID
Description: * 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.

Alert: Winter Weather Advisory
Area(s): Big Hole Mountains; Centennial Mountains/Island Park; Sawtooth/Stanley Basin; Sun Valley Region
Effective: 2026-01-07 @ 2:22 am -> 2026-01-08 @ 12:00 am
Onset: 2026-01-07 @ 2:22 am -> 2026-01-07 @ 4:15 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Pocatello ID on 2026-01-07 @ 2:22 am
Headline: Winter Weather Advisory issued January 7 at 1:22AM MST until January 7 at 11:00PM MST by NWS Pocatello ID
Description: * 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.

Alert: Winter Weather Advisory
Area(s): Bear River Range; Caribou Range
Effective: 2026-01-07 @ 2:22 am -> 2026-01-08 @ 6:00 am
Onset: 2026-01-07 @ 6:00 am -> 2026-01-07 @ 4:15 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Pocatello ID on 2026-01-07 @ 2:22 am
Headline: Winter Weather Advisory issued January 7 at 1:22AM MST until January 8 at 5:00AM MST by NWS Pocatello ID
Description: * WHAT...Snow expected. Total snow accumulations between 6 and 15
inches at pass level and 4 to 8 inches below pass level. Winds
gusting as high as 35 mph.

* WHERE...Bear River Range and Caribou Range.

* WHEN...From 5 AM early this morning to 5 AM MST Thursday.

* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes.

Alert: Winter Weather Advisory
Area(s): Southern Clearwater Mountains; Bitterroot/Sapphire Mountains
Effective: 2026-01-06 @ 1:06 pm -> 2026-01-07 @ 12:00 pm
Onset: 2026-01-06 @ 6:00 pm -> 2026-01-07 @ 12:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Missoula MT on 2026-01-06 @ 1:06 pm
Headline: Winter Weather Advisory issued January 6 at 12:06PM MST until January 7 at 11:00AM MST by NWS Missoula MT
Description: * WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations 3 to 6 inches. Higher
amounts of 12 to 18 inches in the high terrain. Winds gusting as
high as 35 mph.

* WHERE...Elk City, Dixie, Lolo Pass, Highway 93 Sula to Lost Trail
Pass, and Highway 12 Lowell to Lolo Pass.

* WHEN...From 5 PM MST /4 PM PST/ this afternoon to 11 AM MST /10 AM
PST/ Wednesday.

* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Tuesday evening and Wednesday morning commutes, especially over
higher passes.

Alert: Winter Storm Warning
Area(s): Northern Clearwater Mountains
Effective: 2026-01-06 @ 1:06 pm -> 2026-01-07 @ 12:00 pm
Onset: 2026-01-06 @ 1:06 pm -> 2026-01-07 @ 12:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Missoula MT on 2026-01-06 @ 1:06 pm
Headline: Winter Storm Warning issued January 6 at 12:06PM MST until January 7 at 11:00AM MST by NWS Missoula MT
Description: * WHAT...Heavy snow expected. There is a likelihood of major winter
weather impacts. Total snow accumulations between 2 and 5 inches
at lower elevations, 6 and 12 inches above 3000 feet and 12 to 18
inches in the high terrain. Winds could gust as high as 35 mph.

* WHERE...Elk River, Pierce, and Highway 11 Pierce to Headquarters.

* WHEN...Until 10 AM PST Wednesday.

* IMPACTS...Winter traveling conditions. For MAJOR winter weather
impacts, expect considerable disruptions to normal activities.
Dangerous or impossible traveling conditions. Avoid travel in the
impacted areas if possible. Widespread closures and disruptions to
infrastructure may occur. The hazardous conditions could impact
the Tuesday evening and Wednesday morning commutes, especially
over higher passes.