Hardin County weather alerts
There are no active weather alerts for Hardin County, OH right now.
Since 2016 the National Weather Service has issued about 596 alerts that included Hardin County, roughly 60 a year. The most common is the severe thunderstorm warning (72 from 2016 to 2025). The last tornado warning was issued on March 14, 2024. 10 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 Hardin County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Hancock County, Marion County, Logan County, Union County.
Hardin County alert history
Alert events that included Hardin County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 72 | 13 | September 5, 2026 |
| Winter Weather Advisory | 72 | 2 | February 23, 2026 |
| Wind Advisory | 68 | 4 | March 15, 2026 |
| Dense Fog Advisory | 53 | 9 | October 24, 2026 |
| Flood Advisory | 45 | 2 | August 11, 2026 |
| Severe Thunderstorm Watch | 42 | 15 | September 5, 2026 |
| Freeze Warning | 39 | 4 | October 18, 2026 |
| Frost Advisory | 33 | 4 | October 19, 2026 |
| Flood Watch | 30 | 5 | September 20, 2026 |
| Cold Weather Advisory | 27 | 8 | February 7, 2026 |
| Heat Advisory | 19 | 6 | September 1, 2026 |
| Freeze Watch | 18 | 3 | October 18, 2026 |
| Tornado Watch | 16 | 2 | March 26, 2026 |
| High Wind Warning | 12 | 2 | March 15, 2026 |
| Flash Flood Warning | 7 | 2 | August 20, 2026 |
| Flood Warning | 6 | 2 | August 20, 2026 |
| Extreme Heat Watch | 6 | 0 | June 22, 2025 |
| Winter Storm Watch | 6 | 1 | January 24, 2026 |
| High Wind Watch | 5 | 1 | March 13, 2026 |
| Tornado Warning | 5 | 0 | March 14, 2024 |
| Winter Storm Warning | 5 | 1 | January 24, 2026 |
| Extreme Cold Watch | 3 | 1 | January 26, 2026 |
| Extreme Heat Warning | 2 | 1 | June 30, 2026 |
| Extreme Cold Warning | 2 | 3 | January 31, 2026 |
| Fire Weather Watch | 1 | 0 | May 1, 2018 |
| Red Flag Warning | 1 | 0 | May 1, 2018 |
| Ice Storm Warning | 1 | 0 | November 15, 2018 |
Tornado history in Hardin County
10 tornadoes have been recorded in Hardin County since 1950. That ranks 68 of 88 counties in Ohio. The most recent was on August 12, 2023 (rated EF1).
Strongest tornadoes in Hardin County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 10, 1986 | F1 | Hardin County | 6 mi | 73 yd | 0 | 0 |
| August 12, 2023 | EF1 | Hardin County | 2.2 mi | 200 yd | 0 | 0 |
| December 11, 2021 | EF1 | Hardin County | 1.6 mi | 150 yd | 0 | 0 |
| July 4, 1983 | F1 | Hardin County | 1 mi | 50 yd | 0 | 0 |
| February 15, 1992 | F1 | Hardin County | 0.3 mi | 20 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 12, 2023 | EF1 | Hardin County | 2.2 mi | 200 yd | 0 | 0 |
| December 11, 2021 | EF1 | Hardin County | 1.6 mi | 150 yd | 0 | 0 |
| May 27, 2019 | EF0 | Hardin County | 2 mi | 50 yd | 0 | 0 |
| May 25, 2011 | EF0 | Hardin County | 0.2 mi | 25 yd | 0 | 0 |
| July 12, 1992 | F0 | Hardin County | 0.1 mi | 40 yd | 0 | 0 |
About Hardin County
- Population: 30,402 (2024 estimate)
- State: Ohio
- NOAA Weather Radio SAME code: 039065 (how to use it)