UV Index for Lewis, IA

Current Lewis UV Index

0 (Low)

Last Updated 37 minutes ago

Hourly Lewis UV Index

The hourly Lewis, IA UV Index forecast for Sunday, September 14th, 2025.

5 Day Hourly Lewis UV Index Forecast

Last Updated 18 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 6.3 on Monday, September 15th at 1:00 pm.

The UV index forecast for Sunday, September 14th in Lewis, IA is below.

Time UV Index Risk
8am 0.2
Low
9am 0.8
Low
10am 1.8
Low
11am 3
Moderate
12pm 4.6
Moderate
1pm 2.8
Low
2pm 5.6
Moderate
3pm 4.4
Moderate
4pm 0.8
Low
5pm 1.2
Low
6pm 0.4
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 15th 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 2.1
Low
11am 3.8
Moderate
12pm 5.4
Moderate
1pm 6.3
High
2pm 6.2
High
3pm 5
Moderate
4pm 3.4
Moderate
5pm 1.8
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, September 16th 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 2.1
Low
11am 3.5
Moderate
12pm 4.9
Moderate
1pm 5.9
Moderate
2pm 5.7
Moderate
3pm 4
Moderate
4pm 2.7
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 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