4.1 (Moderate)
Last Updated 36 minutes ago
The hourly Lake Arrowhead, WI UV Index forecast for Thursday, September 18th, 2025.
Last Updated 2 hours ago
The UV index forecast for the next five days in Lake Arrowhead, WI has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Lake Arrowhead over the next five days will be 5.6 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Lake Arrowhead, WI is below.
| Time | UV Index | Risk |
|---|---|---|
| 4pm | 2.4 |
Low |
| 5pm | 1 |
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 Lake Arrowhead, WI 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 | 0.2 |
Low |
| 10am | 2.2 |
Low |
| 11am | 3.5 |
Moderate |
| 12pm | 4.8 |
Moderate |
| 1pm | 4.6 |
Moderate |
| 2pm | 3.6 |
Moderate |
| 3pm | 2.2 |
Low |
| 4pm | 2 |
Low |
| 5pm | 0.9 |
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 Saturday, September 20th in Lake Arrowhead, WI 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 | 0.8 |
Low |
| 10am | 1.6 |
Low |
| 11am | 2.8 |
Low |
| 12pm | 4.4 |
Moderate |
| 1pm | 4.4 |
Moderate |
| 2pm | 0.7 |
Low |
| 3pm | 3.7 |
Moderate |
| 4pm | 2.3 |
Low |
| 5pm | 1 |
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 Sunday, September 21st in Lake Arrowhead, WI 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 | 0.2 |
Low |
| 9am | 0.8 |
Low |
| 10am | 1.5 |
Low |
| 11am | 3.5 |
Moderate |
| 12pm | 4.9 |
Moderate |
| 1pm | 4.5 |
Moderate |
| 2pm | 4.3 |
Moderate |
| 3pm | 3.8 |
Moderate |
| 4pm | 2.2 |
Low |
| 5pm | 1 |
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 Monday, September 22nd in Lake Arrowhead, WI 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 |