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Last Updated 38 minutes ago
The hourly Lanark, IL UV Index forecast for Thursday, October 16th, 2025.
Last Updated 16 hours ago
The UV index forecast for the next five days in Lanark, IL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Lanark over the next five days will be 4.4 on Thursday, October 16th at 1:00 pm.
The UV index forecast for Thursday, October 16th in Lanark, IL is below.
Time | UV Index | Risk |
---|---|---|
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0 |
Low |
9am | 0.1 |
Low |
10am | 0.7 |
Low |
11am | 2.8 |
Low |
12pm | 4 |
Moderate |
1pm | 4.4 |
Moderate |
2pm | 4 |
Moderate |
3pm | 2.9 |
Low |
4pm | 1.6 |
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 Friday, October 17th in Lanark, 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 | 0.4 |
Low |
10am | 0.9 |
Low |
11am | 2 |
Low |
12pm | 2.3 |
Low |
1pm | 3.8 |
Moderate |
2pm | 3 |
Moderate |
3pm | 2.4 |
Low |
4pm | 1.3 |
Low |
5pm | 0.5 |
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, October 18th in Lanark, 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 | 1.3 |
Low |
11am | 2.3 |
Low |
12pm | 3.3 |
Moderate |
1pm | 3.7 |
Moderate |
2pm | 3.3 |
Moderate |
3pm | 2.4 |
Low |
4pm | 1.3 |
Low |
5pm | 0.3 |
Low |
6pm | 0 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, October 19th in Lanark, 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 |