As of 2:30 PM PDT on June 5, 2025, all 9 cities in Colusa County, CA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Lodoga, CA with a reading of 8.5.
Over the next 24 hours, the highest UV Index reading in Colusa County, CA is expected to be 9 in Lodoga between 1:00 PM - 2:00 PM PDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |