6.1 (High)
Last Updated 42 minutes ago
The hourly Jefferson, SD UV Index forecast for Monday, June 30th, 2025.
Last Updated 3 hours ago
The UV index forecast for the next five days in Jefferson, SD has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Jefferson over the next five days will be 10.3 on Wednesday, July 2nd at 1:00 pm.
The UV index forecast for Monday, June 30th in Jefferson, SD is below.
| Time | UV Index | Risk |
|---|---|---|
| 5pm | 4 |
Moderate |
| 6pm | 2.2 |
Low |
| 7pm | 0.9 |
Low |
| 8pm | 0.2 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, July 1st in Jefferson, 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 | 0.3 |
Low |
| 8am | 1 |
Low |
| 9am | 2.3 |
Low |
| 10am | 4.4 |
Moderate |
| 11am | 6.7 |
High |
| 12pm | 8.7 |
Very High |
| 1pm | 9.8 |
Very High |
| 2pm | 9.8 |
Very High |
| 3pm | 8.6 |
Very High |
| 4pm | 6.6 |
High |
| 5pm | 4.3 |
Moderate |
| 6pm | 2.3 |
Low |
| 7pm | 0.9 |
Low |
| 8pm | 0.2 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, July 2nd in Jefferson, 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 | 0.3 |
Low |
| 8am | 1 |
Low |
| 9am | 2.5 |
Low |
| 10am | 4.6 |
Moderate |
| 11am | 7 |
High |
| 12pm | 9.1 |
Very High |
| 1pm | 10.3 |
Very High |
| 2pm | 10.3 |
Very High |
| 3pm | 9 |
Very High |
| 4pm | 6.8 |
High |
| 5pm | 4.4 |
Moderate |
| 6pm | 2.3 |
Low |
| 7pm | 0.9 |
Low |
| 8pm | 0.2 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, July 3rd in Jefferson, 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 | 0.3 |
Low |
| 8am | 1 |
Low |
| 9am | 2.4 |
Low |
| 10am | 4.6 |
Moderate |
| 11am | 7 |
High |
| 12pm | 8.9 |
Very High |
| 1pm | 10.3 |
Very High |
| 2pm | 10.3 |
Very High |
| 3pm | 9 |
Very High |
| 4pm | 6.9 |
High |
| 5pm | 4.4 |
Moderate |
| 6pm | 2.4 |
Low |
| 7pm | 0.9 |
Low |
| 8pm | 0.2 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, July 4th in Jefferson, 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 | 0.3 |
Low |