8 (Very High)
Last Updated 52 minutes ago
The hourly Spearfish, SD UV Index forecast for Monday, June 30th, 2025.
Last Updated 3 hours ago
The UV index forecast for the next five days in Spearfish, SD has 3 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Spearfish over the next five days will be 11.1 on Tuesday, July 1st at 1:00 pm.
The UV index forecast for Monday, June 30th in Spearfish, SD is below.
| Time | UV Index | Risk |
|---|---|---|
| 4pm | 5.7 |
Moderate |
| 5pm | 3.4 |
Moderate |
| 6pm | 1.6 |
Low |
| 7pm | 0.6 |
Low |
| 8pm | 0.1 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, July 1st in Spearfish, 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 | 0.2 |
Low |
| 7am | 0.7 |
Low |
| 8am | 1.9 |
Low |
| 9am | 3.8 |
Moderate |
| 10am | 6.2 |
High |
| 11am | 8.7 |
Very High |
| 12pm | 10.5 |
Very High |
| 1pm | 11.1 |
Extreme |
| 2pm | 10.4 |
Very High |
| 3pm | 8.6 |
Very High |
| 4pm | 6 |
High |
| 5pm | 3.6 |
Moderate |
| 6pm | 1.7 |
Low |
| 7pm | 0.5 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, July 2nd in Spearfish, 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 | 0.2 |
Low |
| 7am | 0.7 |
Low |
| 8am | 1.9 |
Low |
| 9am | 3.8 |
Moderate |
| 10am | 6.3 |
High |
| 11am | 8.8 |
Very High |
| 12pm | 10.4 |
Very High |
| 1pm | 11 |
Extreme |
| 2pm | 10.3 |
Very High |
| 3pm | 8.4 |
Very High |
| 4pm | 5.9 |
Moderate |
| 5pm | 3.5 |
Moderate |
| 6pm | 1.6 |
Low |
| 7pm | 0.5 |
Low |
| 8pm | 0.1 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, July 3rd in Spearfish, 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 | 0.2 |
Low |
| 7am | 0.6 |
Low |
| 8am | 1.8 |
Low |
| 9am | 3.8 |
Moderate |
| 10am | 6.2 |
High |
| 11am | 8.4 |
Very High |
| 12pm | 10.3 |
Very High |
| 1pm | 11 |
Extreme |
| 2pm | 10.2 |
Very High |
| 3pm | 8.2 |
Very High |
| 4pm | 5.8 |
Moderate |
| 5pm | 3.2 |
Moderate |
| 6pm | 1.5 |
Low |
| 7pm | 0.4 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, July 4th in Spearfish, 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 | 0.1 |
Low |