0.9 (Low)
Last Updated 18 minutes ago
The hourly St. Louis, MI UV Index forecast for Monday, September 15th, 2025.
Last Updated 4 hours ago
The UV index forecast for the next five days in St. Louis, MI has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in St. Louis over the next five days will be 6.1 on Monday, September 15th at 2:00 pm.
The UV index forecast for Monday, September 15th in St. Louis, MI is below.
| Time | UV Index | Risk |
|---|---|---|
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, September 16th in St. Louis, MI 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 | 0.6 |
Low |
| 10am | 1.6 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 4.8 |
Moderate |
| 1pm | 5.8 |
Moderate |
| 2pm | 6 |
High |
| 3pm | 5.2 |
Moderate |
| 4pm | 3.7 |
Moderate |
| 5pm | 2.1 |
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 Wednesday, September 17th in St. Louis, MI 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 | 0.6 |
Low |
| 10am | 1.6 |
Low |
| 11am | 3.1 |
Moderate |
| 12pm | 4.6 |
Moderate |
| 1pm | 5.6 |
Moderate |
| 2pm | 5.9 |
Moderate |
| 3pm | 5.1 |
Moderate |
| 4pm | 3.6 |
Moderate |
| 5pm | 2 |
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 Thursday, September 18th in St. Louis, MI 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 | 1.5 |
Low |
| 11am | 3 |
Moderate |
| 12pm | 4.5 |
Moderate |
| 1pm | 5.6 |
Moderate |
| 2pm | 5.8 |
Moderate |
| 3pm | 4.9 |
Moderate |
| 4pm | 3.4 |
Moderate |
| 5pm | 1.4 |
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 Friday, September 19th in St. Louis, MI 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 |