UV Index for Letts, IA

Current Letts UV Index

3.6 (Moderate)

Last Updated 22 minutes ago

Hourly Letts UV Index

The hourly Letts, IA UV Index forecast for Friday, April 18th, 2025.

5 Day Hourly Letts UV Index Forecast

Last Updated 1 hour ago

The UV index forecast for the next five days in Letts, IA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Letts over the next five days will be 5.6 on Saturday, April 19th at 1:00 pm.

The UV index forecast for Friday, April 18th in Letts, IA is below.

Time UV Index Risk
3pm 2
Low
4pm 1.2
Low
5pm 1
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 Saturday, April 19th in Letts, 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 0.1
Low
8am 0.5
Low
9am 0.7
Low
10am 1.5
Low
11am 3.4
Moderate
12pm 5.5
Moderate
1pm 5.6
Moderate
2pm 2
Low
3pm 0.6
Low
4pm 0.4
Low
5pm 0.4
Low
6pm 0.2
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, April 20th in Letts, 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 0.1
Low
9am 0.2
Low
10am 0.4
Low
11am 0.4
Low
12pm 0.4
Low
1pm 0.6
Low
2pm 0.6
Low
3pm 0.7
Low
4pm 0.2
Low
5pm 0.6
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 Monday, April 21st in Letts, 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 0.3
Low
9am 0.6
Low
10am 1.3
Low
11am 2.5
Low
12pm 2.8
Low
1pm 3
Moderate
2pm 3.2
Moderate
3pm 4.2
Moderate
4pm 3.3
Moderate
5pm 1.8
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, April 22nd in Letts, 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 0.2
Low