Antioch weather alerts
There are no active weather alerts for Antioch, CA right now.
The National Weather Service issues alerts for Antioch as part of Contra Costa County.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Map data: NWS, OpenFreeMap, OpenStreetMap
Tornado history within 25 miles of Antioch
11 tornadoes have been recorded within 25 miles of Antioch since 1950. The most recent was on April 21, 2022 (rated unknown).
Strongest tornadoes within 25 miles of Antioch
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| January 23, 2010 | EF1 | Contra Costa County | 1.6 mi | 2 yd | 0 | 0 |
| April 25, 1994 | F0 | Alameda County | 0.7 mi | 30 yd | 0 | 0 |
| June 29, 1982 | F0 | San Joaquin County | 0.5 mi | 20 yd | 0 | 0 |
| April 24, 1971 | F0 | San Joaquin County | 0.2 mi | 10 yd | 0 | 0 |
| September 18, 1989 | F0 | Contra Costa County | 0.2 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 21, 2022 | ? | San Joaquin County | 0 mi | 16 yd | 0 | 0 |
| January 23, 2010 | EF1 | Contra Costa County | 1.6 mi | 2 yd | 0 | 0 |
| May 12, 1998 | F0 | Solano County | 0.2 mi | 30 yd | 0 | 0 |
| February 19, 1998 | F0 | Contra Costa County | 0.2 mi | 30 yd | 0 | 0 |
| March 23, 1995 | F0 | Sacramento County | 0.2 mi | 10 yd | 0 | 0 |
How often alerts are issued for Contra Costa County
| Alert type | 2016–2025 | Last issued |
|---|---|---|
| Flood Advisory | 81 | November 13, 2026 |
| Flood Warning | 6 | January 10, 2023 |
| Severe Thunderstorm Warning | 3 | August 16, 2020 |
| Flash Flood Warning | 2 | December 25, 2025 |
About Antioch
- Population: 118,453 (2024 estimate)
- County: Contra Costa County
- State: California