Hayward weather alerts
There are no active weather alerts for Hayward, CA right now.
The National Weather Service issues alerts for Hayward as part of Alameda 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 Hayward
16 tornadoes have been recorded within 25 miles of Hayward since 1950, injuring 3 people. The most recent was on March 20, 2005 (rated F1).
Strongest tornadoes within 25 miles of Hayward
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| January 11, 1951 | F2 | Santa Clara County | 5.7 mi | 10 yd | 0 | 0 |
| May 5, 1998 | F2 | Santa Clara County | 0.6 mi | 100 yd | 0 | 1 |
| March 20, 2005 | F1 | San Mateo County | 3 mi | 30 yd | 0 | 0 |
| January 14, 1980 | F1 | Stanislaus County | 0.3 mi | 67 yd | 0 | 1 |
| May 5, 1998 | F1 | Santa Clara County | 0.3 mi | 80 yd | 0 | 1 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 20, 2005 | F1 | San Mateo County | 3 mi | 30 yd | 0 | 0 |
| December 5, 1998 | F0 | Contra Costa County | 1.5 mi | 150 yd | 0 | 0 |
| May 5, 1998 | F2 | Santa Clara County | 0.6 mi | 100 yd | 0 | 1 |
| May 5, 1998 | F1 | Santa Clara County | 0.3 mi | 80 yd | 0 | 1 |
| February 7, 1998 | F0 | San Mateo County | 0.2 mi | 50 yd | 0 | 0 |
How often alerts are issued for Alameda County
| Alert type | 2016–2025 | Last issued |
|---|---|---|
| Flood Advisory | 111 | November 13, 2026 |
| Flood Warning | 14 | February 13, 2025 |
| Flash Flood Warning | 13 | December 25, 2025 |
| Severe Thunderstorm Warning | 6 | December 25, 2025 |
About Hayward
- Population: 158,440 (2024 estimate)
- County: Alameda County
- State: California