0.2 (Low)
Last Updated 6 minutes ago
The hourly Heron Lake, MN UV Index forecast for Wednesday, September 17th, 2025.
Last Updated 5 hours ago
The UV index forecast for the next five days in Heron Lake, MN has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Heron Lake over the next five days will be 5.6 on Wednesday, September 17th at 1:00 pm.
The UV index forecast for Wednesday, September 17th in Heron Lake, MN is below.
| Time | UV Index | Risk |
|---|---|---|
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, September 18th in Heron Lake, MN 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 | 1.9 |
Low |
| 11am | 3.4 |
Moderate |
| 12pm | 4.4 |
Moderate |
| 1pm | 5.6 |
Moderate |
| 2pm | 5.6 |
Moderate |
| 3pm | 4.3 |
Moderate |
| 4pm | 2.8 |
Low |
| 5pm | 1.3 |
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 Heron Lake, MN 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 | 0.8 |
Low |
| 10am | 1.9 |
Low |
| 11am | 3.4 |
Moderate |
| 12pm | 4.3 |
Moderate |
| 1pm | 5.2 |
Moderate |
| 2pm | 5.5 |
Moderate |
| 3pm | 4.5 |
Moderate |
| 4pm | 3 |
Moderate |
| 5pm | 1.6 |
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 Saturday, September 20th in Heron Lake, MN 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 | 0.8 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 4.7 |
Moderate |
| 1pm | 5.6 |
Moderate |
| 2pm | 5.4 |
Moderate |
| 3pm | 4.4 |
Moderate |
| 4pm | 3 |
Moderate |
| 5pm | 1.4 |
Low |
| 6pm | 0.4 |
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 Heron Lake, MN 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 |