Clermont County weather alerts
There are no active weather alerts for Clermont County, OH right now.
Since 2016 the National Weather Service has issued about 1,014 alerts that included Clermont County, roughly 101 a year. The most common is the severe thunderstorm warning (200 from 2016 to 2025). The last tornado warning was issued on August 11, 2026. 24 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 Clermont County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Warren County, Bracken County, Campbell County, Hamilton County.
Clermont County alert history
Alert events that included Clermont County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 200 | 16 | August 12, 2026 |
| Flood Advisory | 171 | 23 | September 20, 2026 |
| Winter Weather Advisory | 72 | 7 | March 17, 2026 |
| Flood Watch | 64 | 10 | September 20, 2026 |
| Wind Advisory | 60 | 3 | March 15, 2026 |
| Severe Thunderstorm Watch | 57 | 11 | August 11, 2026 |
| Flood Warning | 56 | 7 | September 20, 2026 |
| Dense Fog Advisory | 49 | 7 | October 12, 2026 |
| Freeze Warning | 46 | 4 | November 8, 2026 |
| Flash Flood Warning | 36 | 7 | September 20, 2026 |
| Frost Advisory | 36 | 7 | November 9, 2026 |
| Heat Advisory | 34 | 3 | September 1, 2026 |
| Tornado Watch | 29 | 3 | June 18, 2026 |
| Freeze Watch | 19 | 1 | October 18, 2026 |
| Winter Storm Warning | 13 | 1 | January 24, 2026 |
| Tornado Warning | 13 | 6 | August 11, 2026 |
| Cold Weather Advisory | 11 | 8 | February 7, 2026 |
| Winter Storm Watch | 11 | 1 | January 24, 2026 |
| High Wind Warning | 10 | 1 | March 15, 2026 |
| Extreme Heat Watch | 7 | 0 | June 22, 2025 |
| Extreme Heat Warning | 6 | 1 | June 30, 2026 |
| Snow Squall Warning | 5 | 0 | January 19, 2025 |
| Red Flag Warning | 4 | 0 | April 20, 2023 |
| Extreme Cold Watch | 2 | 1 | January 26, 2026 |
| Ice Storm Warning | 1 | 0 | November 15, 2018 |
| High Wind Watch | 1 | 0 | April 13, 2020 |
| Extreme Cold Warning | 1 | 2 | January 31, 2026 |
Tornado history in Clermont County
24 tornadoes have been recorded in Clermont County since 1950, killing 5 people and injuring 282. That ranks 21 of 88 counties in Ohio. The most recent was on March 3, 2023 (rated EF0).
Strongest tornadoes in Clermont County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 23, 1968 | F4 | Clermont County | 24.1 mi | 300 yd | 1 | 33 |
| August 9, 1969 | F3 | Hamilton County | 22.2 mi | 400 yd | 4 | 247 |
| July 2, 1997 | F3 | Clermont County | 12 mi | 500 yd | 0 | 0 |
| July 6, 2022 | EF2 | Clermont County | 4.8 mi | 500 yd | 0 | 2 |
| June 2, 1990 | F2 | Clermont County | 4 mi | 200 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 3, 2023 | EF0 | Clermont County | 1.3 mi | 200 yd | 0 | 0 |
| July 6, 2022 | EF2 | Clermont County | 4.8 mi | 500 yd | 0 | 2 |
| July 6, 2022 | EF1 | Clermont County | 2.2 mi | 100 yd | 0 | 0 |
| April 8, 2020 | EF0 | Clermont County | 0.8 mi | 75 yd | 0 | 0 |
| April 8, 2020 | EF0 | Clermont County | 8.8 mi | 200 yd | 0 | 0 |
About Clermont County
- Population: 214,123 (2024 estimate)
- State: Ohio
- NOAA Weather Radio SAME code: 039025 (how to use it)