Warren County weather alerts
There are no active weather alerts for Warren County, OH right now.
Since 2016 the National Weather Service has issued about 957 alerts that included Warren County, roughly 96 a year. The most common is the severe thunderstorm warning (179 from 2016 to 2025). The last tornado warning was issued on September 21, 2026. 34 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 Warren County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Greene County, Butler County, Montgomery County, Clermont County.
Warren County alert history
Alert events that included Warren County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 179 | 21 | October 14, 2026 |
| Flood Advisory | 143 | 23 | September 21, 2026 |
| Winter Weather Advisory | 70 | 5 | March 2, 2026 |
| Wind Advisory | 65 | 3 | March 15, 2026 |
| Dense Fog Advisory | 60 | 6 | October 12, 2026 |
| Flood Warning | 52 | 15 | September 21, 2026 |
| Flood Watch | 51 | 11 | September 20, 2026 |
| Severe Thunderstorm Watch | 47 | 13 | August 11, 2026 |
| Freeze Warning | 41 | 4 | October 18, 2026 |
| Flash Flood Warning | 37 | 8 | September 21, 2026 |
| Frost Advisory | 34 | 4 | October 19, 2026 |
| Heat Advisory | 31 | 3 | September 1, 2026 |
| Tornado Watch | 30 | 3 | June 18, 2026 |
| Freeze Watch | 19 | 2 | October 18, 2026 |
| Cold Weather Advisory | 18 | 8 | February 7, 2026 |
| Tornado Warning | 17 | 6 | September 21, 2026 |
| Winter Storm Warning | 14 | 1 | January 24, 2026 |
| Winter Storm Watch | 11 | 1 | January 24, 2026 |
| High Wind Warning | 9 | 1 | March 15, 2026 |
| Extreme Heat Watch | 7 | 0 | June 22, 2025 |
| Extreme Heat Warning | 6 | 1 | June 30, 2026 |
| Red Flag Warning | 5 | 0 | April 20, 2023 |
| Extreme Cold Watch | 3 | 1 | January 26, 2026 |
| Snow Squall Warning | 3 | 0 | January 19, 2025 |
| Extreme Cold Warning | 2 | 2 | January 31, 2026 |
| High Wind Watch | 2 | 0 | March 26, 2021 |
| Ice Storm Warning | 1 | 0 | November 15, 2018 |
Tornado history in Warren County
34 tornadoes have been recorded in Warren County since 1950, killing 6 people and injuring 147. That ranks 7 of 88 counties in Ohio. The most recent was on April 2, 2025 (rated EF0).
Strongest tornadoes in Warren County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 9, 1999 | F4 | Hamilton County | 10 mi | 270 yd | 4 | 65 |
| April 3, 1974 | F4 | Hamilton County | 19.8 mi | 350 yd | 2 | 39 |
| May 10, 1969 | F3 | Butler County | 54.5 mi | 400 yd | 0 | 25 |
| September 14, 1990 | F2 | Warren County | 35 mi | 200 yd | 0 | 6 |
| April 3, 1974 | F2 | Warren County | 9.8 mi | 177 yd | 0 | 9 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 2, 2025 | EF0 | Warren County | 8.5 mi | 200 yd | 0 | 0 |
| April 2, 2025 | EF0 | Warren County | 3 mi | 200 yd | 0 | 0 |
| March 30, 2025 | EF0 | Warren County | 3.1 mi | 150 yd | 0 | 0 |
| March 30, 2025 | EF0 | Butler County | 11.7 mi | 200 yd | 0 | 0 |
| July 29, 2024 | EF1 | Warren County | 8 mi | 200 yd | 0 | 0 |
About Warren County
- Population: 256,059 (2024 estimate)
- State: Ohio
- NOAA Weather Radio SAME code: 039165 (how to use it)