UV Index for Onalaska, WI

Current Onalaska UV Index

0 (Low)

Last Updated 29 minutes ago

Hourly Onalaska UV Index

The hourly Onalaska, WI UV Index forecast for Monday, July 7th, 2025.

5 Day Hourly Onalaska UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Onalaska, WI has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Onalaska over the next five days will be 8.9 on Wednesday, July 9th at 1:00 pm.

The UV index forecast for Monday, July 7th in Onalaska, WI is below.

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0.4
Low
8am 1
Low
9am 2.2
Low
10am 3.8
Moderate
11am 5.5
Moderate
12pm 6.4
High
1pm 6.4
High
2pm 6.7
High
3pm 1.8
Low
4pm 0.9
Low
5pm 0.7
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 8th in Onalaska, 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 0.4
Low
8am 1.2
Low
9am 2.5
Low
10am 4.6
Moderate
11am 5.6
Moderate
12pm 6.8
High
1pm 8.8
Very High
2pm 7.8
High
3pm 6.4
High
4pm 4.8
Moderate
5pm 2.4
Low
6pm 1.2
Low
7pm 0.2
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 9th in Onalaska, 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 0.4
Low
8am 1.3
Low
9am 2.8
Low
10am 4.8
Moderate
11am 6.7
High
12pm 8.2
Very High
1pm 8.9
Very High
2pm 8.5
Very High
3pm 7
High
4pm 5.1
Moderate
5pm 3.1
Moderate
6pm 1.5
Low
7pm 0.6
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 10th in Onalaska, 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 0.4
Low