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Last Updated 9 minutes ago
The hourly Grand Detour, IL UV Index forecast for Thursday, September 18th, 2025.
Last Updated 16 hours ago
The UV index forecast for the next five days in Grand Detour, IL has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Grand Detour over the next five days will be 6.2 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Grand Detour, IL is below.
Time | UV Index | Risk |
---|---|---|
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0.4 |
Low |
9am | 1.2 |
Low |
10am | 2.7 |
Low |
11am | 4.4 |
Moderate |
12pm | 5.7 |
Moderate |
1pm | 6.2 |
High |
2pm | 5.7 |
Moderate |
3pm | 4.2 |
Moderate |
4pm | 2.5 |
Low |
5pm | 1.2 |
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 Grand Detour, 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 | 0.3 |
Low |
9am | 0.6 |
Low |
10am | 1.8 |
Low |
11am | 3.4 |
Moderate |
12pm | 1.9 |
Low |
1pm | 1.2 |
Low |
2pm | 1.2 |
Low |
3pm | 1.1 |
Low |
4pm | 0.6 |
Low |
5pm | 0.4 |
Low |
6pm | 0.1 |
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 Grand Detour, 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 | 0.3 |
Low |
9am | 1.1 |
Low |
10am | 2.5 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.6 |
Moderate |
1pm | 6 |
High |
2pm | 5.5 |
Moderate |
3pm | 3.6 |
Moderate |
4pm | 0.4 |
Low |
5pm | 0.6 |
Low |
6pm | 0.2 |
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 Grand Detour, 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 |