UV Index for Black River Falls, WI

Current Black River Falls UV Index

0 (Low)

Last Updated 1 minute ago

Hourly Black River Falls UV Index

The hourly Black River Falls, WI UV Index forecast for Tuesday, September 16th, 2025.

5 Day Hourly Black River Falls UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in Black River Falls, WI has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Black River Falls over the next five days will be 5.2 on Wednesday, September 17th at 1:00 pm.

The UV index forecast for Tuesday, September 16th in Black River Falls, WI is below.

Time UV Index Risk
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.3
Low
9am 1
Low
10am 2
Low
11am 3.8
Moderate
12pm 4.9
Moderate
1pm 5.1
Moderate
2pm 4.8
Moderate
3pm 3.6
Moderate
4pm 2.2
Low
5pm 1
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 17th in Black River Falls, WI 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 0.2
Low
9am 0.8
Low
10am 1.6
Low
11am 2.3
Low
12pm 3.7
Moderate
1pm 5.2
Moderate
2pm 4.9
Moderate
3pm 3.9
Moderate
4pm 2.4
Low
5pm 1.2
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 18th in Black River Falls, WI 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 0.2
Low
9am 0.6
Low
10am 2.1
Low
11am 3.4
Moderate
12pm 2.9
Low
1pm 3.5
Moderate
2pm 3.1
Moderate
3pm 4
Moderate
4pm 1.8
Low
5pm 1.2
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Black River Falls, WI 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