Buchanan County weather alerts
There are no active weather alerts for Buchanan County, IA right now.
Since 2016 the National Weather Service has issued about 871 alerts that included Buchanan County, roughly 87 a year. The most common is the severe thunderstorm warning (139 from 2016 to 2025). The last tornado warning was issued on August 11, 2026. 49 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 Buchanan County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Black Hawk County, Delaware County, Linn County, Fayette County.
Buchanan County alert history
Alert events that included Buchanan County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 139 | 24 | October 13, 2026 |
| Winter Weather Advisory | 106 | 4 | March 16, 2026 |
| Dense Fog Advisory | 90 | 7 | September 17, 2026 |
| Wind Advisory | 72 | 2 | March 12, 2026 |
| Severe Thunderstorm Watch | 62 | 10 | August 18, 2026 |
| Cold Weather Advisory | 50 | 3 | January 26, 2026 |
| Flood Watch | 41 | 8 | September 30, 2026 |
| Heat Advisory | 37 | 1 | August 31, 2026 |
| Freeze Warning | 30 | 2 | October 17, 2026 |
| Winter Storm Warning | 29 | 1 | February 20, 2026 |
| Tornado Warning | 28 | 6 | August 11, 2026 |
| Winter Storm Watch | 27 | 1 | March 16, 2026 |
| Frost Advisory | 25 | 3 | May 11, 2026 |
| Tornado Watch | 24 | 7 | July 20, 2026 |
| Flash Flood Warning | 22 | 2 | April 16, 2026 |
| Flood Warning | 17 | 0 | May 27, 2024 |
| Red Flag Warning | 15 | 2 | March 28, 2026 |
| Extreme Cold Warning | 12 | 1 | January 23, 2026 |
| Freeze Watch | 9 | 1 | October 17, 2026 |
| Extreme Heat Watch | 7 | 2 | July 27, 2026 |
| High Wind Warning | 7 | 2 | March 15, 2026 |
| Extreme Heat Warning | 6 | 2 | July 26, 2026 |
| High Wind Watch | 4 | 2 | March 15, 2026 |
| Extreme Cold Watch | 4 | 1 | January 23, 2026 |
| Fire Weather Watch | 3 | 1 | February 18, 2026 |
| Blizzard Warning | 2 | 2 | March 15, 2026 |
| Ice Storm Warning | 2 | 0 | December 14, 2024 |
| Snow Squall Warning | 1 | 0 | December 9, 2019 |
Tornado history in Buchanan County
49 tornadoes have been recorded in Buchanan County since 1950, killing 2 people and injuring 39. That ranks 14 of 99 counties in Iowa. The most recent was on April 16, 2024 (rated EF1).
Strongest tornadoes in Buchanan County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 16, 1960 | F3 | Grundy County | 29.8 mi | 800 yd | 1 | 5 |
| May 11, 2000 | F3 | Black Hawk County | 18.6 mi | 210 yd | 1 | 25 |
| May 25, 2008 | EF3 | Buchanan County | 32 mi | 1,232 yd | 0 | 3 |
| July 27, 1995 | F3 | Buchanan County | 20 mi | 150 yd | 0 | 0 |
| May 7, 1964 | F3 | Buchanan County | 2.3 mi | 200 yd | 0 | 1 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 16, 2024 | EF1 | Buchanan County | 10 mi | 125 yd | 0 | 0 |
| March 31, 2023 | ? | Buchanan County | 1.7 mi | 10 yd | 0 | 0 |
| March 31, 2023 | EF2 | Benton County | 4.9 mi | 50 yd | 0 | 0 |
| July 5, 2022 | ? | Buchanan County | 0.7 mi | 20 yd | 0 | 0 |
| July 5, 2022 | ? | Buchanan County | 1.4 mi | 20 yd | 0 | 0 |
About Buchanan County
- Population: 20,733 (2024 estimate)
- State: Iowa
- NOAA Weather Radio SAME code: 019019 (how to use it)