0 (Low)
Last Updated 12 minutes ago
The hourly St. Mary, IL UV Index forecast for Thursday, July 17th, 2025.
Last Updated 15 hours ago
The UV index forecast for the next five days in St. Mary, IL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in St. Mary over the next five days will be 8.2 on Friday, July 18th at 12:00 pm.
The UV index forecast for Thursday, July 17th in St. Mary, IL is below.
Time | UV Index | Risk |
---|---|---|
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0.2 |
Low |
8am | 1.2 |
Low |
9am | 2.7 |
Low |
10am | 5 |
Moderate |
11am | 7.1 |
High |
12pm | 7.8 |
High |
1pm | 8 |
Very High |
2pm | 6.6 |
High |
3pm | 5.4 |
Moderate |
4pm | 3 |
Moderate |
5pm | 0.9 |
Low |
6pm | 0.8 |
Low |
7pm | 0.4 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, July 18th in St. Mary, 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 | 0.3 |
Low |
8am | 1.1 |
Low |
9am | 2.6 |
Low |
10am | 4.6 |
Moderate |
11am | 6.9 |
High |
12pm | 8.2 |
Very High |
1pm | 5.3 |
Moderate |
2pm | 4.9 |
Moderate |
3pm | 4.2 |
Moderate |
4pm | 3.4 |
Moderate |
5pm | 1.4 |
Low |
6pm | 0.6 |
Low |
7pm | 0.3 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, July 19th in St. Mary, 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 | 0.3 |
Low |
8am | 1 |
Low |
9am | 2.5 |
Low |
10am | 4.4 |
Moderate |
11am | 3.5 |
Moderate |
12pm | 0.7 |
Low |
1pm | 5.5 |
Moderate |
2pm | 7.4 |
High |
3pm | 1.7 |
Low |
4pm | 4.9 |
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 Sunday, July 20th in St. Mary, 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 |