Allen County weather alerts
There are no active weather alerts for Allen County, OH right now.
Since 2016 the National Weather Service has issued about 532 alerts that included Allen County, roughly 53 a year. The most common is the severe thunderstorm warning (59 from 2016 to 2025). The last tornado warning was issued on March 31, 2026. 23 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 Allen County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Hancock County, Van Wert County, Auglaize County, Putnam County.
Allen County alert history
Alert events that included Allen County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 59 | 13 | September 5, 2026 |
| Dense Fog Advisory | 57 | 9 | October 24, 2026 |
| Wind Advisory | 56 | 4 | April 27, 2026 |
| Winter Weather Advisory | 52 | 0 | December 2, 2025 |
| Severe Thunderstorm Watch | 45 | 17 | September 5, 2026 |
| Flood Warning | 44 | 1 | August 16, 2026 |
| Flood Advisory | 33 | 2 | September 17, 2026 |
| Heat Advisory | 29 | 5 | September 1, 2026 |
| Frost Advisory | 28 | 4 | October 19, 2026 |
| Flood Watch | 22 | 5 | September 17, 2026 |
| Freeze Warning | 20 | 2 | October 18, 2026 |
| Tornado Watch | 15 | 3 | June 12, 2026 |
| Cold Weather Advisory | 14 | 7 | February 7, 2026 |
| High Wind Warning | 7 | 1 | March 13, 2026 |
| Extreme Heat Watch | 7 | 1 | June 29, 2026 |
| Extreme Heat Warning | 7 | 1 | June 29, 2026 |
| Freeze Watch | 6 | 3 | October 18, 2026 |
| High Wind Watch | 6 | 1 | March 13, 2026 |
| Winter Storm Warning | 6 | 1 | January 25, 2026 |
| Tornado Warning | 5 | 1 | March 31, 2026 |
| Winter Storm Watch | 5 | 1 | January 25, 2026 |
| Red Flag Warning | 2 | 0 | October 14, 2022 |
| Extreme Cold Warning | 2 | 0 | January 29, 2019 |
| Extreme Cold Watch | 2 | 0 | January 20, 2025 |
| Ice Storm Warning | 1 | 0 | November 15, 2018 |
| Flash Flood Warning | 1 | 0 | July 9, 2020 |
| Fire Weather Watch | 1 | 0 | April 12, 2023 |
Tornado history in Allen County
23 tornadoes have been recorded in Allen County since 1950, killing 13 people and injuring 135. That ranks 24 of 88 counties in Ohio. The most recent was on March 31, 2023 (rated EF0).
Strongest tornadoes in Allen County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 11, 1965 | F4 | Allen County | 32.5 mi | 400 yd | 13 | 104 |
| June 2, 1971 | F3 | Allen County | 31.5 mi | 200 yd | 0 | 0 |
| July 19, 1950 | F3 | Allen County | 9.7 mi | 300 yd | 0 | 30 |
| October 26, 2010 | EF2 | Auglaize County | 3.9 mi | 110 yd | 0 | 0 |
| April 19, 2011 | EF1 | Van Wert County | 4 mi | 100 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 31, 2023 | EF0 | Allen County | 0.2 mi | 50 yd | 0 | 0 |
| March 31, 2023 | EF0 | Allen County | 0.6 mi | 50 yd | 0 | 0 |
| March 31, 2023 | EF0 | Allen County | 0.8 mi | 75 yd | 0 | 0 |
| August 11, 2021 | EF0 | Van Wert County | 4.7 mi | 50 yd | 0 | 0 |
| April 19, 2011 | EF1 | Allen County | 0.7 mi | 100 yd | 0 | 0 |
About Allen County
- Population: 100,866 (2024 estimate)
- State: Ohio
- NOAA Weather Radio SAME code: 039003 (how to use it)