4.5 (Moderate)
Last Updated 6 minutes ago
The hourly Mason City, IL UV Index forecast for Monday, October 13th, 2025.
Last Updated 8 minutes ago
The UV index forecast for the next five days in Mason City, IL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Mason City over the next five days will be 4.8 on Thursday, October 16th at 1:00 pm.
The UV index forecast for Monday, October 13th in Mason City, IL is below.
| Time | UV Index | Risk |
|---|---|---|
| 2pm | 3.4 |
Moderate |
| 3pm | 2.5 |
Low |
| 4pm | 1.1 |
Low |
| 5pm | 0.5 |
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 Tuesday, October 14th in Mason City, 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 | 0.1 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.8 |
Low |
| 11am | 2.2 |
Low |
| 12pm | 2.2 |
Low |
| 1pm | 1.8 |
Low |
| 2pm | 4.1 |
Moderate |
| 3pm | 3.1 |
Moderate |
| 4pm | 0.5 |
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 Wednesday, October 15th in Mason City, 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 | 0.1 |
Low |
| 10am | 0.3 |
Low |
| 11am | 1.8 |
Low |
| 12pm | 4.2 |
Moderate |
| 1pm | 3.5 |
Moderate |
| 2pm | 4.3 |
Moderate |
| 3pm | 3.2 |
Moderate |
| 4pm | 1.7 |
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 Thursday, October 16th in Mason City, 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 | 1.6 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 4.4 |
Moderate |
| 1pm | 4.8 |
Moderate |
| 2pm | 4.4 |
Moderate |
| 3pm | 3.2 |
Moderate |
| 4pm | 1.8 |
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 Mason City, 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 |