UV Index for East St. Louis, IL

Current East St. Louis UV Index

3.6 (Moderate)

Last Updated 7 minutes ago

Hourly East St. Louis UV Index

The hourly East St. Louis, IL UV Index forecast for Monday, October 20th, 2025.

5 Day Hourly East St. Louis UV Index Forecast

Last Updated 23 hours ago

The UV index forecast for the next five days in East St. Louis, IL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in East St. Louis over the next five days will be 4.2 on Wednesday, October 22nd at 1:00 pm.

The UV index forecast for Monday, October 20th in East St. Louis, IL is below.

Time UV Index Risk
1pm 4.1
Moderate
2pm 3.7
Moderate
3pm 2.7
Low
4pm 1.5
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, October 21st in East St. Louis, 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
Low
8am 0
Low
9am 0.5
Low
10am 1.4
Low
11am 2.5
Low
12pm 3.5
Moderate
1pm 3.9
Moderate
2pm 3.6
Moderate
3pm 2.6
Low
4pm 1.5
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, October 22nd in East St. Louis, 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
Low
8am 0
Low
9am 0.5
Low
10am 1.4
Low
11am 2.7
Low
12pm 3.8
Moderate
1pm 4.2
Moderate
2pm 3.8
Moderate
3pm 2.7
Low
4pm 1.5
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, October 23rd in East St. Louis, 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
Low