As of 4:57 PM CDT on August 11, 2025, out of 11 cities in Marshall County, MN in our database, 7 cities (64%) have a UV Index reading of Low, while 4 cities (36%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Warren, MN with a reading of 2.5.
Over the next 24 hours, the highest UV Index reading in Marshall County, MN is expected to be 5.4 in Oslo between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |