Sierra County, California: tornado and severe weather warnings
Nothing is in effect for Sierra County as of 4:28 PM PDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
Open the live map on Sierra County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Sierra County. Tap your own street on it for times that apply to you.
The last 12 months in Sierra County
- 0 tornado warnings
- 6 severe thunderstorm warnings
- 0 flash flood warnings
- 0 tornado watches
- 0 severe thunderstorm watches
No tornado warning has included Sierra County in the last 12 months.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 21, 2026 | 3:29 PM PDT | Severe thunderstorm warning | STO | text |
| Jun 19, 2026 | 3:31 PM PDT | Severe thunderstorm warning | REV | text |
| Jun 19, 2026 | 3:07 PM PDT | Severe thunderstorm warning | REV | text |
| May 3, 2026 | 2:34 PM PDT | Severe thunderstorm warning | STO | text |
| Apr 10, 2026 | 7:50 AM PDT | Severe thunderstorm warning | STO | text |
| Dec 25, 2025 | 5:08 AM PST | Severe thunderstorm warning | STO | text |
A warning counts here if the Weather Service listed Sierra County in it, even if the warned area covered only part of the county.
Nearby
- Nevada County, CA
- Plumas County, CA
- Placer County, CA
- Yuba County, CA
- Carson City, NV
- Storey County, NV
- El Dorado County, CA
- Butte County, CA
- All of California
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.