3 (Moderate)
Last Updated 56 minutes ago
The hourly North Sioux City, SD UV Index forecast for Thursday, September 18th, 2025.
Last Updated 3 hours ago
The UV index forecast for the next five days in North Sioux City, SD has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in North Sioux City over the next five days will be 5.6 on Sunday, September 21st at 1:00 pm.
The UV index forecast for Thursday, September 18th in North Sioux City, SD is below.
| Time | UV Index | Risk |
|---|---|---|
| 5pm | 0.9 |
Low |
| 6pm | 0.5 |
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 North Sioux City, 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 | 0.2 |
Low |
| 9am | 0.7 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 4.3 |
Moderate |
| 1pm | 4.7 |
Moderate |
| 2pm | 3.8 |
Moderate |
| 3pm | 2.2 |
Low |
| 4pm | 3 |
Moderate |
| 5pm | 1.5 |
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 North Sioux City, 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 | 0.1 |
Low |
| 10am | 0.5 |
Low |
| 11am | 3.5 |
Moderate |
| 12pm | 4.9 |
Moderate |
| 1pm | 4.6 |
Moderate |
| 2pm | 4.1 |
Moderate |
| 3pm | 3.3 |
Moderate |
| 4pm | 2.5 |
Low |
| 5pm | 1.5 |
Low |
| 6pm | 0.5 |
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 North Sioux City, 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 | 0.1 |
Low |
| 9am | 0.7 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 4.7 |
Moderate |
| 1pm | 5.6 |
Moderate |
| 2pm | 5.5 |
Moderate |
| 3pm | 4.6 |
Moderate |
| 4pm | 3.1 |
Moderate |
| 5pm | 1.6 |
Low |
| 6pm | 0.6 |
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 North Sioux City, 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 |