0.7 (Low)
Last Updated 30 minutes ago
The hourly Lewis, IA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 20 hours ago
The UV index forecast for the next five days in Lewis, IA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Lewis over the next five days will be 6.1 on Saturday, September 20th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Lewis, IA is below.
Time | UV Index | Risk |
---|---|---|
10am | 1.5 |
Low |
11am | 2.3 |
Low |
12pm | 4.8 |
Moderate |
1pm | 5.5 |
Moderate |
2pm | 4.8 |
Moderate |
3pm | 2.2 |
Low |
4pm | 1.4 |
Low |
5pm | 0.9 |
Low |
6pm | 0.1 |
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 Lewis, 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 | 0.8 |
Low |
10am | 1.9 |
Low |
11am | 3.6 |
Moderate |
12pm | 4.4 |
Moderate |
1pm | 5.7 |
Moderate |
2pm | 5.6 |
Moderate |
3pm | 4.4 |
Moderate |
4pm | 2.7 |
Low |
5pm | 1.6 |
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 Saturday, September 20th in Lewis, 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 | 0.8 |
Low |
10am | 2 |
Low |
11am | 3.8 |
Moderate |
12pm | 5.3 |
Moderate |
1pm | 6.1 |
High |
2pm | 6 |
High |
3pm | 5.1 |
Moderate |
4pm | 3.3 |
Moderate |
5pm | 1.7 |
Low |
6pm | 0.6 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Lewis, 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 |