Harford County weather alerts
There are no active weather alerts for Harford County, MD right now.
Since 2016 the National Weather Service has issued about 1,475 alerts that included Harford County, roughly 148 a year. The most common is the severe thunderstorm warning (291 from 2016 to 2025). The last tornado warning was issued on July 28, 2026. 26 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 Harford County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Lancaster County, Cecil County, York County, Baltimore County.
Harford County alert history
Alert events that included Harford County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 291 | 31 | September 2, 2026 |
| Coastal Flood Advisory | 223 | 17 | November 5, 2026 |
| Flood Watch | 114 | 7 | August 5, 2026 |
| Severe Thunderstorm Watch | 111 | 20 | October 16, 2026 |
| Flood Warning | 94 | 0 | July 31, 2025 |
| Wind Advisory | 93 | 3 | March 17, 2026 |
| Winter Weather Advisory | 85 | 3 | March 2, 2026 |
| Dense Fog Advisory | 69 | 4 | May 26, 2026 |
| Frost Advisory | 56 | 5 | October 26, 2026 |
| Heat Advisory | 55 | 6 | July 16, 2026 |
| Flash Flood Warning | 40 | 4 | August 10, 2026 |
| Freeze Warning | 40 | 6 | November 14, 2026 |
| Freeze Watch | 26 | 4 | October 18, 2026 |
| Tornado Warning | 26 | 2 | July 28, 2026 |
| Tornado Watch | 21 | 5 | August 20, 2026 |
| Winter Storm Warning | 21 | 2 | February 22, 2026 |
| Winter Storm Watch | 19 | 2 | February 22, 2026 |
| Extreme Heat Watch | 15 | 2 | July 4, 2026 |
| Cold Weather Advisory | 12 | 9 | February 9, 2026 |
| Extreme Heat Warning | 11 | 3 | July 4, 2026 |
| Coastal Flood Warning | 11 | 0 | August 9, 2024 |
| Fire Weather Watch | 10 | 0 | March 26, 2025 |
| Red Flag Warning | 10 | 0 | March 26, 2025 |
| High Wind Warning | 10 | 1 | February 7, 2026 |
| High Wind Watch | 5 | 0 | February 16, 2025 |
| Snow Squall Warning | 4 | 1 | January 1, 2026 |
| Blizzard Warning | 1 | 0 | January 22, 2016 |
| Tropical Storm Watch | 1 | 0 | August 2, 2020 |
| Tropical Storm Warning | 1 | 0 | August 3, 2020 |
| Extreme Cold Watch | 0 | 1 | February 7, 2026 |
| Extreme Cold Warning | 0 | 1 | February 7, 2026 |
Tornado history in Harford County
26 tornadoes have been recorded in Harford County since 1950, injuring 12 people. That ranks 7 of 24 counties in Maryland. The most recent was on April 22, 2023 (rated EF0).
Strongest tornadoes in Harford County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 29, 1980 | F2 | Harford County | 2 mi | 150 yd | 0 | 10 |
| September 18, 2004 | F2 | Harford County | 2 mi | 125 yd | 0 | 0 |
| July 19, 1959 | F2 | Harford County | 0.8 mi | 50 yd | 0 | 0 |
| July 16, 2007 | EF1 | Harford County | 4 mi | 150 yd | 0 | 0 |
| July 27, 1994 | F1 | Harford County | 2.5 mi | 30 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 22, 2023 | EF0 | Baltimore County | 6.7 mi | 50 yd | 0 | 0 |
| August 13, 2013 | EF0 | Harford County | 1 mi | 75 yd | 0 | 0 |
| July 22, 2013 | EF0 | Harford County | 0.8 mi | 100 yd | 0 | 0 |
| October 19, 2012 | EF0 | Harford County | 1.2 mi | 100 yd | 0 | 0 |
| June 1, 2012 | EF1 | Harford County | 1.2 mi | 300 yd | 0 | 2 |
About Harford County
- Population: 265,514 (2024 estimate)
- State: Maryland
- NOAA Weather Radio SAME code: 024025 (how to use it)