As of 12:31 PM PDT on April 1, 2025, out of 16 cities in Lassen County, CA in our database, 11 cities (69%) have a UV Index reading of Moderate, while 5 cities (31%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Herlong, CA with a reading of 4.1.
Over the next 24 hours, the highest UV Index reading in Lassen County, CA is expected to be 4.6 in Madeline between 1:00 PM - 2:00 PM PDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |