UV Index Today in Montana (MT) Tuesday, April 7, 2026 -
2:46 AM MDT (GMT-6)
The average maximum UV Index today across 152
locations in Montana (MT) , is 4.9. The highest projected
maximum is 6 in Big Sky at 1:00 PM MDT, while the lowest
projected maximum is 3.5 in Rocky Boy West
at 2:00 PM MDT.
Tomorrow, the average maximum UV Index across those same locations is expected to
be 5. The highest projected maximum is 6.1 in Gardiner at 1:00 PM MDT, and the
lowest projected maximum is 2.5 in Culbertson at 12:00 PM MDT.
55 Counties in Montana (MT) Average Maximum UV Index Today
Beaverhead County - 5.8
Big Horn County - 5.6
Blaine County - 4
Broadwater County - 4.8
Carbon County - 5.7
Carter County - 5
Cascade County - 4.2
Chouteau County - 3.6
Custer County - 5.1
Daniels County - 4.5
Dawson County - 4.9
Deer Lodge County - 5.4
Fallon County - 5.1
Fergus County - 4.4
Flathead County - 4.5
Gallatin County - 5.3
Garfield County - 4.7
Glacier County - 4.8
Golden Valley County - 4.6
Granite County - 5.3
Hill County - 3.7
Jefferson County - 5.2
Judith Basin County - 4.8
Lake County - 4.6
Lewis and Clark County - 5.1
Liberty County - 3.8
Lincoln County - 4.7
McCone County - 4.8
Madison County - 5.7
Meagher County - 4.8
Mineral County - 5.1
Missoula County - 4.9
Musselshell County - 5
Park County - 5.6
Phillips County - 4.3
Pondera County - 4.8
Powder River County - 5.6
Powell County - 5
Prairie County - 5
Ravalli County - 5.2
Richland County - 4.8
Roosevelt County - 4.7
Rosebud County - 5.5
Sanders County - 4.9
Sheridan County - 4.4
Silver Bow County - 5.3
Stillwater County - 5.4
Sweet Grass County - 5.3
Teton County - 5
Toole County - 4.1
Treasure County - 5.1
Valley County - 4.6
Wheatland County - 4.7
Wibaux County - 5
Yellowstone County - 5.3152 Places in Montana (MT) Maximum UV Index Today
Absarokee - 5.6
Alberton - 5.1
Arlee - 4.6
Ashland - 5.6
Baker - 5.1
Batavia - 4.8
Belgrade - 5.2
Belt - 3.9
Bigfork - 4.3
Big Sandy - 3.5
Big Sky - 6
Big Timber - 5.3
Billings - 5.3
Black Eagle - 4.1
Bonner-West Riverside - 5
Boulder - 5.4
Bozeman - 5.2
Bridger - 5.6
Browning - 4.8
Busby - 5.6
Carlton - 5
Cascade - 4.6
Chester - 3.8
Chinook - 3.8
Choteau - 5.1
Churchill - 5.2
Circle - 4.8
Clancy - 5.2
Clinton - 4.6
Colstrip - 5.3
Columbia Falls - 4.4
Columbus - 5.3
Conrad - 4.8
Corvallis - 5.3
Crow Agency - 5.6
Culbertson - 4.6
Cut Bank - 4.6
Darby - 5.4
Deer Lodge - 5
Dillon - 5.8
East Helena - 5.2
East Missoula - 5
Ennis - 5.7
Eureka - 4.5
Evergreen - 4.4
Fairfield - 5
Fairview - 4.8
Florence - 5
Forsyth - 5.2
Fort Belknap Agency - 3.9
Fort Benton - 3.8
Four Corners - 5.2
Frenchtown - 5.1
Gallatin Gateway - 5.7
Gardiner - 5.8
Glasgow - 4.6
Glendive - 4.9
Great Falls - 4.1
Hamilton - 5.3
Hardin - 5.4
Harlem - 3.9
Harlowton - 4.7
Havre - 3.8
Havre North - 3.8
Hays - 4.3
Heart Butte - 4.8
Helena - 5.2
Helena Flats - 4.4
Helena Valley Northeast - 5
Helena Valley Northwest - 5
Helena Valley Southeast - 5.2
Helena Valley West Central - 5
Helena West Side - 5.2
Hot Springs - 5
Hungry Horse - 4.1
Jefferson City - 5.2
Joliet - 5.5
Kalispell - 4.4
King Arthur Park - 5.2
Lakeside - 4.9
Lame Deer - 5.6
Laurel - 5.3
Lewistown - 4.4
Libby - 4.7
Lincoln - 5.2
Lindisfarne - 4.8
Livingston - 5.3
Lockwood - 5.3
Lolo - 5
Malmstrom AFB - 4.1
Malta - 4.4
Manhattan - 5.2
Marion - 4.9
Miles City - 5.1
Missoula - 5
Montana City - 5.2
Muddy - 5.7
North Browning - 4.8
Orchard Homes - 5
Pablo - 4.7
Park City - 5.3
Philipsburg - 5.3
Pinesdale - 5.3
Pioneer Junction - 4.8
Plains - 4.9
Plentywood - 4.4
Polson - 4.8
Ponderosa Pines - 5.1
Poplar - 4.7
Pray - 5.6
Red Lodge - 5.9
Riverbend - 5.1
Rocky Boy West - 3.5
Ronan - 4.7
Roundup - 5
St. Ignatius - 4.6
Scobey - 4.5
Seeley Lake - 5.1
Shelby - 4.1
Sheridan - 5.5
Sidney - 4.8
Somers - 4.9
South Browning - 4.8
South Hills - 5.2
Spokane Creek - 4.6
Stevensville - 5.1
Sun Prairie - 4.3
Superior - 5
Terry - 5
The Silos - 4.6
Thompson Falls - 4.9
Three Forks - 5.1
Townsend - 4.8
Trego - 4.6
Troy - 4.6
Turah - 4.6
Ulm - 4.3
Valier - 4.9
Vaughn - 4.3
Victor - 5.3
Walkerville - 5.3
West Glendive - 4.9
West Yellowstone - 5.9
Wheatland - 5.1
Whitefish - 4.6
Whitehall - 5.3
White Haven - 4.8
White Sulphur Springs - 4.8
Wibaux - 5
Wolf Point - 4.7
Woods Bay - 4.3
Wye - 5.1