Trinity County weather alerts
There are no active weather alerts for Trinity County, CA right now.
Since 2016 the National Weather Service has issued about 804 alerts that included Trinity County, roughly 80 a year. The most common is the winter weather advisory (136 from 2016 to 2025). No tornado warnings were recorded here in that period.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Trinity County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Shasta County, Tehama County, Siskiyou County, Mendocino County.
Trinity County alert history
Alert events that included Trinity County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 136 | 4 | April 20, 2026 |
| Frost Advisory | 119 | 8 | November 6, 2026 |
| Winter Storm Warning | 74 | 3 | February 22, 2026 |
| Winter Storm Watch | 63 | 3 | February 22, 2026 |
| Red Flag Warning | 53 | 3 | July 20, 2026 |
| Wind Advisory | 48 | 0 | December 24, 2025 |
| Flood Watch | 45 | 1 | February 24, 2026 |
| Flood Advisory | 44 | 1 | February 24, 2026 |
| Heat Advisory | 37 | 2 | August 3, 2026 |
| Freeze Warning | 36 | 9 | October 24, 2026 |
| Severe Thunderstorm Warning | 33 | 1 | September 17, 2026 |
| Fire Weather Watch | 32 | 1 | June 19, 2026 |
| Freeze Watch | 20 | 1 | October 24, 2026 |
| Flash Flood Warning | 13 | 1 | May 23, 2026 |
| Extreme Heat Watch | 12 | 0 | July 14, 2023 |
| Extreme Heat Warning | 11 | 0 | July 11, 2025 |
| High Wind Watch | 10 | 0 | February 19, 2024 |
| High Wind Warning | 6 | 0 | February 19, 2024 |
| Flood Warning | 6 | 0 | December 21, 2025 |
| Cold Weather Advisory | 4 | 2 | February 20, 2026 |
| Dense Fog Advisory | 1 | 0 | December 25, 2022 |
| Severe Thunderstorm Watch | 1 | 0 | August 17, 2024 |
Tornado history
No tornadoes are recorded in Trinity County in the NOAA Storm Prediction Center database since 1950.
About Trinity County
- Population: 15,642 (2024 estimate)
- State: California
- NOAA Weather Radio SAME code: 006105 (how to use it)