As of 10:18 AM CDT on June 28, 2025, all 7 cities in Grant County, MN in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Herman, MN with a reading of 4.
Over the next 24 hours, the highest UV Index reading in Grant County, MN is expected to be 8.5 in Herman between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |