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Last Updated 57 minutes ago
The hourly Blackhawk, IL UV Index forecast for Friday, October 31st, 2025.
Last Updated 12 hours ago
The UV index forecast for the next five days in Blackhawk, IL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Blackhawk over the next five days will be 3 on Sunday, November 2nd at 12:00 pm.
The UV index forecast for Friday, October 31st in Blackhawk, IL is below.
| Time | UV Index | Risk | 
|---|---|---|
| 2am | 0 | Low | 
| 3am | 0 | Low | 
| 4am | 0 | Low | 
| 5am | 0 | Low | 
| 6am | 0 | Low | 
| 7am | 0 | Low | 
| 8am | 0 | Low | 
| 9am | 0.3 | Low | 
| 10am | 0.9 | Low | 
| 11am | 1.8 | Low | 
| 12pm | 2.6 | Low | 
| 1pm | 2.9 | Low | 
| 2pm | 2.7 | Low | 
| 3pm | 1.9 | Low | 
| 4pm | 1 | 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, November 1st in Blackhawk, 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 | 0.3 | Low | 
| 10am | 0.8 | Low | 
| 11am | 1.5 | Low | 
| 12pm | 2.1 | Low | 
| 1pm | 2.5 | Low | 
| 2pm | 2.3 | Low | 
| 3pm | 1.6 | Low | 
| 4pm | 0.6 | Low | 
| 5pm | 0.2 | 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, November 2nd in Blackhawk, IL is below.
| Time | UV Index | Risk | 
|---|---|---|
| 12am | 0 | Low | 
| 1am | 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 | 0.9 | Low | 
| 10am | 1.8 | Low | 
| 11am | 2.6 | Low | 
| 12pm | 3 | Moderate | 
| 1pm | 2.8 | Low | 
| 2pm | 2 | Low | 
| 3pm | 1 | Low | 
| 4pm | 0.4 | Low | 
| 5pm | 0 | Low | 
| 6pm | 0 | Low | 
| 7pm | 0 | Low | 
| 8pm | 0 | Low | 
| 9pm | 0 | Low | 
| 10pm | 0 | Low | 
| 11pm | 0 | Low | 
The UV index forecast for Monday, November 3rd in Blackhawk, 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 |