Idaho (ID): Current UV Index and Hourly Forecast

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As of 7:43 PM MDT on October 21, 2025, all 237 cities in Idaho in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Idaho is expected to be 4 in St. Charles between 1:00 PM - 2:00 PM MDT tomorrow.

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Counties in Idaho (ID)

• Ada County
• Adams County
• Bannock County
• Bear Lake County
• Benewah County
• Bingham County
• Blaine County
• Boise County
• Bonner County
• Bonneville County
• Boundary County
• Butte County
• Camas County
• Canyon County
• Caribou County
• Cassia County
• Clark County
• Clearwater County
• Custer County
• Elmore County
• Franklin County
• Fremont County
• Gem County
• Gooding County
• Idaho County
• Jefferson County
• Jerome County
• Kootenai County
• Latah County
• Lemhi County
• Lewis County
• Lincoln County
• Madison County
• Minidoka County
• Nez Perce County
• Oneida County
• Owyhee County
• Payette County
• Power County
• Shoshone County
• Teton County
• Twin Falls County
• Valley County
• Washington County

Current UV Index in Major Cities in Idaho (ID)

• Ammon - 0
• Blackfoot - 0
• Boise - 0
• Buhl - 0
• Burley - 0
• Caldwell - 0
• Chubbuck - 0
• Coeur d'Alene - 0
• Eagle - 0
• Emmett - 0
• Fruitland - 0
• Garden City - 0
• Hailey - 0
• Hayden - 0
• Idaho Falls - 0
• Jerome - 0
• Kuna - 0
• Lewiston - 0
• Meridian - 0
• Middleton - 0
• Moscow - 0
• Mountain Home - 0
• Nampa - 0
• Payette - 0
• Pocatello - 0
• Post Falls - 0
• Preston - 0
• Rathdrum - 0
• Rexburg - 0
• Rigby - 0
• Rupert - 0
• Sandpoint - 0
• Shelley - 0
• Star - 0
• Twin Falls - 0
• Weiser - 0