UV Index for Walnut, IL

Current Walnut UV Index

7.3 (High)

Last Updated 6 minutes ago

Hourly Walnut UV Index

The hourly Walnut, IL UV Index forecast for Tuesday, July 15th, 2025.

5 Day Hourly Walnut UV Index Forecast

Last Updated 2 hours ago

The UV index forecast for the next five days in Walnut, IL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Walnut over the next five days will be 9.7 on Wednesday, July 16th at 1:00 pm.

The UV index forecast for Tuesday, July 15th in Walnut, IL is below.

Time UV Index Risk
4pm 4.3
Moderate
5pm 2.4
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 16th in Walnut, IL 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 0.4
Low
8am 1.3
Low
9am 2.9
Low
10am 4.8
Moderate
11am 6.6
High
12pm 9
Very High
1pm 9.7
Very High
2pm 9.2
Very High
3pm 7.5
High
4pm 5.2
Moderate
5pm 3
Moderate
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 17th in Walnut, IL 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 0.4
Low
8am 1.2
Low
9am 2.5
Low
10am 3.6
Moderate
11am 4
Moderate
12pm 4.2
Moderate
1pm 3.6
Moderate
2pm 2.5
Low
3pm 2.6
Low
4pm 2
Low
5pm 0.9
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 Friday, July 18th in Walnut, IL 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 0.9
Low
9am 2.4
Low
10am 4.7
Moderate
11am 7.3
High
12pm 9
Very High
1pm 9.6
Very High
2pm 9
Very High
3pm 7.4
High
4pm 5.1
Moderate
5pm 2.9
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Walnut, IL 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 0.4
Low