Merced County weather alerts
There are no active weather alerts for Merced County, CA right now.
Since 2016 the National Weather Service has issued about 141 alerts that included Merced County, roughly 14 a year. The most common is the flood advisory (84 from 2016 to 2025). The last tornado warning was issued on March 18, 2025. 17 tornadoes have touched down in the county since 1950.
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 Merced County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring San Benito County, Fresno County, Stanislaus County, Madera County.
Merced County alert history
Alert events that included Merced County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 84 | 5 | October 23, 2026 |
| Severe Thunderstorm Warning | 23 | 5 | April 21, 2026 |
| Flood Warning | 17 | 0 | April 19, 2023 |
| Tornado Warning | 11 | 0 | March 18, 2025 |
| Flash Flood Warning | 6 | 0 | February 13, 2025 |
Tornado history in Merced County
17 tornadoes have been recorded in Merced County since 1950, injuring 1 people. That ranks 9 of 58 counties in California. The most recent was on February 9, 2009 (rated EF0).
Strongest tornadoes in Merced County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 16, 2002 | F1 | Merced County | 1.3 mi | 45 yd | 0 | 0 |
| April 22, 1967 | F1 | Merced County | 1 mi | 10 yd | 0 | 0 |
| March 4, 1978 | F1 | Merced County | 1 mi | 880 yd | 0 | 1 |
| November 22, 1996 | F1 | Merced County | 0.2 mi | 10 yd | 0 | 0 |
| November 13, 1997 | F0 | Merced County | 3 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| February 9, 2009 | EF0 | Merced County | 0.1 mi | 20 yd | 0 | 0 |
| March 28, 2006 | F0 | Merced County | 0.1 mi | 20 yd | 0 | 0 |
| March 28, 2006 | F0 | Merced County | 0.2 mi | 30 yd | 0 | 0 |
| March 28, 2006 | F0 | Merced County | 0.2 mi | 20 yd | 0 | 0 |
| April 8, 2005 | F0 | Merced County | 1.2 mi | 50 yd | 0 | 0 |
About Merced County
- Population: 296,774 (2024 estimate)
- State: California
- NOAA Weather Radio SAME code: 006047 (how to use it)