1.4 (Low)
Last Updated 48 minutes ago
The hourly Rock Falls, IA UV Index forecast for Monday, September 15th, 2025.
Last Updated 4 hours ago
The UV index forecast for the next five days in Rock Falls, IA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Rock Falls over the next five days will be 5.8 on Wednesday, September 17th at 1:00 pm.
The UV index forecast for Monday, September 15th in Rock Falls, IA is below.
Time | UV Index | Risk |
---|---|---|
6pm | 0.5 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Tuesday, September 16th in Rock Falls, IA 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 | 0.9 |
Low |
10am | 2.1 |
Low |
11am | 3.6 |
Moderate |
12pm | 5 |
Moderate |
1pm | 5.7 |
Moderate |
2pm | 5.4 |
Moderate |
3pm | 4.3 |
Moderate |
4pm | 2.8 |
Low |
5pm | 1.4 |
Low |
6pm | 0.5 |
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 Rock Falls, IA 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 | 0.9 |
Low |
10am | 2.1 |
Low |
11am | 3.6 |
Moderate |
12pm | 5 |
Moderate |
1pm | 5.8 |
Moderate |
2pm | 5.3 |
Moderate |
3pm | 4.4 |
Moderate |
4pm | 2.8 |
Low |
5pm | 1.4 |
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 Rock Falls, IA 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 | 0.7 |
Low |
10am | 2 |
Low |
11am | 3.6 |
Moderate |
12pm | 5 |
Moderate |
1pm | 3.3 |
Moderate |
2pm | 1.4 |
Low |
3pm | 1.8 |
Low |
4pm | 0.3 |
Low |
5pm | 0.3 |
Low |
6pm | 0.2 |
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 Rock Falls, IA 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 |