As of 4:08 PM PDT on June 21, 2026, out of 32 cities in Shasta County, CA in our database, 18 cities (56%) have a UV Index reading of Moderate, while 14 cities (44%) have a UV Index reading of High. The city with the highest UV Index reading right now is Shingletown, CA with a reading of 5.7.
Over the next 24 hours, the highest UV Index reading in Shasta County, CA is expected to be 10.6 in Hat Creek between 1:00 PM - 2:00 PM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |