IDAHO MT · PT north · 44 COUNTIES · NWS OFFICIAL Regions Severe Climate About Almanac Garden
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Weather & Climate · The Gem State
The Definitive Idaho Weather Portal

Every forecast in Idaho,
highway-clear.

Official National Weather Service forecasts, mountain snow and avalanche, wildfire smoke and the Snake River Plain inversion — for all 44 Idaho counties, across both time zones, from the Nevada line to the Canadian border.

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Idaho Interstates Shields Major Cities
44
Counties
1.96M
People
12,662 ft
Borah Peak
2
Time Zones

Idaho Right Now

Services · Live conditions

Live Satellite & Radar

Imagery · squall.cloud
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Regions of Idaho

Guide · 6 zones
Metro · I-84/184
Boise & the Treasure Valley
Boise · Meridian · Nampa
Zone · I-84
The Magic Valley
Twin Falls · Jerome · Burley
Zone · I-15/86
Eastern Idaho & the Snake Plain
Idaho Falls · Pocatello · Rexburg
Zone · I-90
The Panhandle
Coeur d'Alene · Post Falls · Sandpoint
Zone · US-95/12
The Palouse & the Clearwater
Lewiston · Moscow · Grangeville
Zone · SH-75
Central Idaho & the Sawtooths
Sun Valley · Salmon · McCall

The Idaho Weather Story

Alerts & Climate
Warning · All Year
Warnings & Watches Live
Every NWS warning out across both time zones — winter storms over the passes, red flag on the Snake River Plain, and the storms that come off the Owyhees in July.
Services · Oct–May
Snow, Passes & Avalanche
Lookout and Fourth of July on I-90, Galena and Lost Trail, Monida on I-15, and a Sun Valley season that opens in November.
Warning · Jun–Oct
Wildfire & Smoke Soon
Cheatgrass fire on the Snake River Plain, the Frank Church backcountry, and the smoke that fills every valley in August.
Recreation
The Sawtooths & the Backcountry Soon
Stanley, which drops below freezing more nights than anywhere else in the lower 48, Redfish Lake, and the largest wilderness outside Alaska.
Recreation
The Snake, the Salmon & the Lakes Soon
Runoff on the River of No Return, Coeur d'Alene and Pend Oreille, and the Snake through Hells Canyon.
Guide
Climate & Records
Normals, records and long-term trends for all 44 counties.

Weather Along the Interstates

Guide · Drive smart
Interstate
I-84
Oregon → Fruitland → Boise → Mountain Home → Twin Falls → Burley → Utah
Interstate
I-15
Utah → Pocatello → Blackfoot → Idaho Falls → Dubois → Monida Pass → Montana
Interstate
I-90
Washington → Coeur d'Alene → Kellogg → Wallace → Lookout Pass → Montana
Interstate
I-86
Pocatello → American Falls → I-84 at Heyburn
Interstate
I-184
the Connector — I-84 into downtown Boise