San Bernardino County weather alerts
There are no active weather alerts for San Bernardino County, CA right now.
Since 2016 the National Weather Service has issued about 2,369 alerts that included San Bernardino County, roughly 237 a year. The most common is the flood advisory (596 from 2016 to 2025). The last tornado warning was issued on March 16, 2023. 32 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 San Bernardino County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Mohave County, La Paz County, Inyo County, Orange County.
San Bernardino County alert history
Alert events that included San Bernardino County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 596 | 58 | October 30, 2026 |
| Flash Flood Warning | 527 | 21 | October 21, 2026 |
| Wind Advisory | 318 | 23 | October 22, 2026 |
| Severe Thunderstorm Warning | 183 | 24 | October 10, 2026 |
| Flood Watch | 116 | 4 | November 1, 2026 |
| High Wind Warning | 78 | 5 | October 15, 2026 |
| Winter Weather Advisory | 73 | 0 | November 17, 2025 |
| High Wind Watch | 68 | 4 | October 15, 2026 |
| Extreme Heat Warning | 65 | 7 | September 10, 2026 |
| Winter Storm Warning | 61 | 1 | February 16, 2026 |
| Extreme Heat Watch | 59 | 6 | August 25, 2026 |
| Red Flag Warning | 46 | 0 | January 20, 2025 |
| Winter Storm Watch | 46 | 1 | February 16, 2026 |
| Fire Weather Watch | 43 | 0 | January 23, 2025 |
| Dust Storm Warning | 33 | 1 | May 18, 2026 |
| Heat Advisory | 27 | 6 | August 22, 2026 |
| Flood Warning | 19 | 2 | August 12, 2026 |
| Dense Fog Advisory | 3 | 1 | January 2, 2026 |
| Freeze Watch | 2 | 0 | January 9, 2024 |
| Freeze Warning | 2 | 0 | January 9, 2024 |
| Blizzard Warning | 1 | 0 | February 24, 2023 |
| Tornado Warning | 1 | 0 | March 16, 2023 |
| Tropical Storm Watch | 1 | 0 | August 18, 2023 |
| Tropical Storm Warning | 1 | 0 | August 19, 2023 |
Tornado history in San Bernardino County
32 tornadoes have been recorded in San Bernardino County since 1950, injuring 3 people. That ranks 2 of 58 counties in California. The most recent was on April 16, 2019 (rated EF0).
Strongest tornadoes in San Bernardino County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 7, 1982 | F2 | San Bernardino County | 0.5 mi | 20 yd | 0 | 2 |
| June 25, 1954 | F2 | San Bernardino County | 0.1 mi | 10 yd | 0 | 0 |
| May 18, 1997 | F1 | San Bernardino County | 9 mi | 40 yd | 0 | 0 |
| May 18, 1997 | F1 | San Bernardino County | 3.5 mi | 100 yd | 0 | 0 |
| November 25, 1965 | F1 | San Bernardino County | 2 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 16, 2019 | EF0 | Kern County | 1.6 mi | 50 yd | 0 | 0 |
| May 7, 2017 | EF0 | San Bernardino County | 0 mi | 50 yd | 0 | 0 |
| July 19, 2015 | EF0 | San Bernardino County | 0.2 mi | 50 yd | 0 | 0 |
| August 18, 2013 | EF0 | San Bernardino County | 1 mi | 3 yd | 0 | 0 |
| August 4, 2008 | EF1 | San Bernardino County | 1.1 mi | 100 yd | 0 | 0 |
About San Bernardino County
- Population: 2,214,281 (2024 estimate)
- State: California
- NOAA Weather Radio SAME code: 006071 (how to use it)
- Cities: San Bernardino, Fontana, Ontario, Rancho Cucamonga, Victorville, Rialto, Hesperia