UV Index for Bull Lake, MT

Current Bull Lake UV Index

4.3 (Moderate)

Last Updated 38 minutes ago

Hourly Bull Lake UV Index

The hourly Bull Lake, MT UV Index forecast for Friday, July 18th, 2025.

5 Day Hourly Bull Lake UV Index Forecast

Last Updated 5 hours ago

The UV index forecast for the next five days in Bull Lake, MT has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Bull Lake over the next five days will be 8.5 on Friday, July 18th at 2:00 pm.

The UV index forecast for Friday, July 18th in Bull Lake, MT is below.

Time UV Index Risk
6pm 2.4
Low
7pm 1
Low
8pm 0.4
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Bull Lake, 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 0.2
Low
8am 0.7
Low
9am 1.7
Low
10am 3.2
Moderate
11am 5
Moderate
12pm 6.7
High
1pm 7.8
High
2pm 8
Very High
3pm 7.3
High
4pm 5.9
Moderate
5pm 4.1
Moderate
6pm 2.4
Low
7pm 1.1
Low
8pm 0.4
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 20th in Bull Lake, 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 0.2
Low
8am 0.6
Low
9am 1.5
Low
10am 2.8
Low
11am 4.8
Moderate
12pm 6.3
High
1pm 7.1
High
2pm 6.7
High
3pm 5
Moderate
4pm 3.5
Moderate
5pm 2.1
Low
6pm 1
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 21st in Bull Lake, 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 0.1
Low
8am 0.6
Low
9am 1.5
Low
10am 1.7
Low
11am 1.8
Low
12pm 1.3
Low
1pm 1.7
Low
2pm 2.3
Low
3pm 3.8
Moderate
4pm 4.8
Moderate
5pm 1.9
Low
6pm 0.3
Low
7pm 0.4
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 22nd in Bull Lake, 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