0.7 (Low)
Last Updated 24 minutes ago
The hourly Cottonwood Lake, SD UV Index forecast for Thursday, September 18th, 2025.
Last Updated 3 hours ago
The UV index forecast for the next five days in Cottonwood Lake, SD has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Cottonwood Lake over the next five days will be 5.3 on Sunday, September 21st at 2:00 pm.
The UV index forecast for Thursday, September 18th in Cottonwood Lake, SD is below.
| Time | UV Index | Risk |
|---|---|---|
| 5pm | 0.4 |
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 Friday, September 19th in Cottonwood Lake, SD 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 |
Low |
| 11am | 2.4 |
Low |
| 12pm | 2 |
Low |
| 1pm | 2.1 |
Low |
| 2pm | 1.8 |
Low |
| 3pm | 1.5 |
Low |
| 4pm | 1.7 |
Low |
| 5pm | 1.1 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Cottonwood Lake, SD 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 | 0.5 |
Low |
| 10am | 1.4 |
Low |
| 11am | 2.8 |
Low |
| 12pm | 4.2 |
Moderate |
| 1pm | 5.1 |
Moderate |
| 2pm | 5.2 |
Moderate |
| 3pm | 4.5 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.8 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Cottonwood Lake, SD 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 | 0.5 |
Low |
| 10am | 1.4 |
Low |
| 11am | 2.8 |
Low |
| 12pm | 4.2 |
Moderate |
| 1pm | 5 |
Moderate |
| 2pm | 5.3 |
Moderate |
| 3pm | 4.6 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.7 |
Low |
| 6pm | 0.7 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, September 22nd in Cottonwood Lake, SD 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 |