0.4 (Low)
Last Updated 49 minutes ago
The hourly Round Lake Heights, IL UV Index forecast for Thursday, September 18th, 2025.
Last Updated 19 hours ago
The UV index forecast for the next five days in Round Lake Heights, IL has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Round Lake Heights over the next five days will be 6 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Round Lake Heights, IL is below.
Time | UV Index | Risk |
---|---|---|
9am | 1.2 |
Low |
10am | 2.7 |
Low |
11am | 4.4 |
Moderate |
12pm | 5.6 |
Moderate |
1pm | 6 |
High |
2pm | 5.4 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Round Lake Heights, 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 | 0.4 |
Low |
9am | 1.2 |
Low |
10am | 2.6 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.6 |
Moderate |
1pm | 5.6 |
Moderate |
2pm | 4.7 |
Moderate |
3pm | 3.4 |
Moderate |
4pm | 1.4 |
Low |
5pm | 0.4 |
Low |
6pm | 0 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Round Lake Heights, 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 | 0.4 |
Low |
9am | 1.2 |
Low |
10am | 2.5 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.4 |
Moderate |
1pm | 6 |
High |
2pm | 5.4 |
Moderate |
3pm | 3.4 |
Moderate |
4pm | 1.9 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Round Lake Heights, 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 |