UV Index for Sun River, MT

Current Sun River UV Index

2.2 (Low)

Last Updated 27 minutes ago

Hourly Sun River UV Index

The hourly Sun River, MT UV Index forecast for Wednesday, October 22nd, 2025.

5 Day Hourly Sun River UV Index Forecast

Last Updated 28 minutes ago

The UV index forecast for the next five days in Sun River, MT has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Sun River over the next five days will be 2.6 on Wednesday, October 22nd at 1:00 pm.

The UV index forecast for Wednesday, October 22nd in Sun River, MT is below.

Time UV Index Risk
1pm 2.6
Low
2pm 2.6
Low
3pm 2.1
Low
4pm 1.3
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, October 23rd in Sun River, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.1
Low
10am 0.5
Low
11am 1.3
Low
12pm 2.1
Low
1pm 2.6
Low
2pm 2.4
Low
3pm 2
Low
4pm 1.2
Low
5pm 0.5
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, October 24th in Sun River, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.1
Low
10am 0.3
Low
11am 0.8
Low
12pm 1.5
Low
1pm 2.2
Low
2pm 2.2
Low
3pm 1.7
Low
4pm 1
Low
5pm 0.4
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, October 25th in Sun River, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0
Low
10am 0.5
Low
11am 1.1
Low
12pm 1.6
Low
1pm 2.1
Low
2pm 2.1
Low
3pm 1.4
Low
4pm 1
Low
5pm 0.4
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, October 26th in Sun River, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low