UV Index for Rock Falls, IL

Current Rock Falls UV Index

0 (Low)

Last Updated 32 minutes ago

Hourly Rock Falls UV Index

The hourly Rock Falls, IL UV Index forecast for Friday, May 2nd, 2025.

5 Day Hourly Rock Falls UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in Rock Falls, IL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Rock Falls over the next five days will be 7.7 on Sunday, May 4th at 1:00 pm.

The UV index forecast for Friday, May 2nd in Rock Falls, IL is below.

Time UV Index Risk
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.8
Low
9am 1.8
Low
10am 3.7
Moderate
11am 5.4
Moderate
12pm 6.7
High
1pm 7.1
High
2pm 5.3
Moderate
3pm 0.7
Low
4pm 1.4
Low
5pm 0.4
Low
6pm 0.1
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, May 3rd in Rock Falls, IL 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 0.8
Low
9am 2
Low
10am 3.6
Moderate
11am 5.3
Moderate
12pm 6.6
High
1pm 7.2
High
2pm 6.7
High
3pm 5.4
Moderate
4pm 3.7
Moderate
5pm 2
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, May 4th in Rock Falls, IL 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 0.9
Low
9am 2.2
Low
10am 3.9
Moderate
11am 5.8
Moderate
12pm 7.2
High
1pm 7.7
High
2pm 7.2
High
3pm 5.8
Moderate
4pm 4
Moderate
5pm 2.2
Low
6pm 0.9
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, May 5th in Rock Falls, IL 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 0.3
Low