UV Index Today in Montana (MT)
Friday, August 7, 2026 -12:25 PM MDT (GMT-6)
- Home
- United States
- Montana
The average maximum UV Index today across 152 locations in Montana (MT), is 5.9. The highest projected maximum is 7.3 in West Yellowstone at 1:00 PM MDT, while the lowest projected maximum is 4.7 in Sheridan at 1:00 PM MDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 6.8. The highest projected maximum is 8.3 in Seeley Lake at 1:00 PM MDT, and the lowest projected maximum is 4.3 in Rocky Boy West at 1:00 PM MDT.
55 Counties in Montana (MT)
Average Maximum UV Index Today
152 Places in Montana (MT)
Maximum UV Index Today