UV Index for Merrill, IA

Current Merrill UV Index

3.6 (Moderate)

Last Updated 5 minutes ago

Hourly Merrill UV Index

The hourly Merrill, IA UV Index forecast for Sunday, July 6th, 2025.

5 Day Hourly Merrill UV Index Forecast

Last Updated 4 hours ago

The UV index forecast for the next five days in Merrill, IA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Merrill over the next five days will be 9.5 on Wednesday, July 9th at 1:00 pm.

The UV index forecast for Sunday, July 6th in Merrill, IA is below.

Time UV Index Risk
6pm 1.8
Low
7pm 0.7
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 7th in Merrill, 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 0.4
Low
9am 1
Low
10am 1.7
Low
11am 4.7
Moderate
12pm 6.9
High
1pm 8.7
Very High
2pm 8.1
Very High
3pm 6.5
High
4pm 5.4
Moderate
5pm 3.8
Moderate
6pm 2
Low
7pm 0.8
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 8th in Merrill, 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 1
Low
10am 2.3
Low
11am 5.8
Moderate
12pm 7.1
High
1pm 7.4
High
2pm 6.6
High
3pm 5.1
Moderate
4pm 4.5
Moderate
5pm 3.3
Moderate
6pm 1.5
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 9th in Merrill, 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
8am 1
Low
9am 2.3
Low
10am 4.3
Moderate
11am 6.5
High
12pm 8.4
Very High
1pm 9.5
Very High
2pm 9.4
Very High
3pm 8.2
Very High
4pm 6.3
High
5pm 4
Moderate
6pm 2.1
Low
7pm 0.8
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 10th in Merrill, 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