Dearborn County weather alerts
There are no active weather alerts for Dearborn County, IN right now.
Since 2016 the National Weather Service has issued about 916 alerts that included Dearborn County, roughly 92 a year. The most common is the flood advisory (162 from 2016 to 2025). The last tornado warning was issued on August 11, 2026. 15 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 Dearborn County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Franklin County, Ohio County, Ripley County, Hamilton County.
Dearborn County alert history
Alert events that included Dearborn County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 162 | 15 | September 12, 2026 |
| Severe Thunderstorm Warning | 144 | 18 | November 12, 2026 |
| Winter Weather Advisory | 67 | 4 | March 2, 2026 |
| Flood Watch | 58 | 9 | September 20, 2026 |
| Wind Advisory | 56 | 3 | March 15, 2026 |
| Severe Thunderstorm Watch | 53 | 13 | August 11, 2026 |
| Dense Fog Advisory | 52 | 5 | October 12, 2026 |
| Freeze Warning | 45 | 3 | November 8, 2026 |
| Flash Flood Warning | 44 | 5 | August 12, 2026 |
| Frost Advisory | 36 | 9 | November 9, 2026 |
| Heat Advisory | 36 | 3 | September 1, 2026 |
| Flood Warning | 30 | 7 | August 14, 2026 |
| Tornado Watch | 29 | 3 | June 18, 2026 |
| Freeze Watch | 19 | 1 | October 18, 2026 |
| Tornado Warning | 16 | 6 | August 11, 2026 |
| Cold Weather Advisory | 14 | 7 | February 7, 2026 |
| Winter Storm Warning | 12 | 1 | January 24, 2026 |
| Winter Storm Watch | 10 | 1 | January 24, 2026 |
| High Wind Warning | 8 | 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 |
| Extreme Cold Warning | 2 | 1 | January 26, 2026 |
| Ice Storm Warning | 1 | 0 | November 15, 2018 |
| High Wind Watch | 1 | 0 | April 13, 2020 |
Tornado history in Dearborn County
15 tornadoes have been recorded in Dearborn County since 1950, injuring 107 people. That ranks 67 of 92 counties in Indiana. The most recent was on May 16, 2025 (rated EF1).
Strongest tornadoes in Dearborn County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 3, 1974 | F4 | Jefferson County | 27.1 mi | 1,133 yd | 0 | 104 |
| June 2, 1990 | F2 | Ripley County | 23 mi | 440 yd | 0 | 3 |
| May 16, 2025 | EF1 | Ripley County | 6.3 mi | 250 yd | 0 | 0 |
| June 18, 2021 | EF1 | Dearborn County | 0.5 mi | 150 yd | 0 | 0 |
| October 7, 2017 | EF0 | Ripley County | 5.7 mi | 100 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 16, 2025 | EF1 | Ripley County | 6.3 mi | 250 yd | 0 | 0 |
| June 18, 2021 | EF1 | Dearborn County | 0.5 mi | 150 yd | 0 | 0 |
| April 8, 2020 | EF0 | Dearborn County | 1 mi | 150 yd | 0 | 0 |
| October 7, 2017 | EF0 | Ripley County | 5.7 mi | 100 yd | 0 | 0 |
| May 23, 2011 | EF0 | Ripley County | 3.1 mi | 50 yd | 0 | 0 |
About Dearborn County
- Population: 51,435 (2024 estimate)
- State: Indiana
- NOAA Weather Radio SAME code: 018029 (how to use it)