Linn County weather alerts
There are no active weather alerts for Linn County, IA right now.
Since 2016 the National Weather Service has issued about 1,006 alerts that included Linn County, roughly 101 a year. The most common is the severe thunderstorm warning (189 from 2016 to 2025). The last tornado warning was issued on September 9, 2026. 66 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 Linn County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Cedar County, Delaware County, Buchanan County, Jones County.
Linn County alert history
Alert events that included Linn County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 189 | 37 | September 9, 2026 |
| Dense Fog Advisory | 105 | 7 | September 17, 2026 |
| Winter Weather Advisory | 103 | 4 | March 16, 2026 |
| Wind Advisory | 74 | 2 | March 12, 2026 |
| Severe Thunderstorm Watch | 60 | 12 | August 13, 2026 |
| Flood Warning | 55 | 3 | October 5, 2026 |
| Cold Weather Advisory | 48 | 3 | January 26, 2026 |
| Heat Advisory | 45 | 1 | August 31, 2026 |
| Tornado Warning | 44 | 10 | September 9, 2026 |
| Flood Watch | 40 | 9 | September 30, 2026 |
| Freeze Warning | 30 | 2 | October 17, 2026 |
| Winter Storm Warning | 30 | 0 | December 18, 2025 |
| Flash Flood Warning | 28 | 5 | September 20, 2026 |
| Tornado Watch | 28 | 9 | July 20, 2026 |
| Frost Advisory | 25 | 2 | May 7, 2026 |
| Winter Storm Watch | 25 | 1 | March 16, 2026 |
| Red Flag Warning | 15 | 2 | March 28, 2026 |
| Extreme Cold Warning | 12 | 1 | January 23, 2026 |
| Extreme Heat Warning | 9 | 2 | July 26, 2026 |
| Freeze Watch | 9 | 1 | October 17, 2026 |
| Extreme Heat Watch | 7 | 2 | July 27, 2026 |
| High Wind Warning | 7 | 2 | March 15, 2026 |
| High Wind Watch | 4 | 2 | March 15, 2026 |
| Extreme Cold Watch | 4 | 1 | January 23, 2026 |
| Fire Weather Watch | 4 | 1 | February 18, 2026 |
| Snow Squall Warning | 2 | 0 | December 9, 2019 |
| Blizzard Warning | 2 | 2 | March 15, 2026 |
| Ice Storm Warning | 2 | 0 | December 14, 2024 |
Tornado history in Linn County
66 tornadoes have been recorded in Linn County since 1950, killing 1 people and injuring 44. That ranks 2 of 99 counties in Iowa. The most recent was on July 11, 2025 (rated EF1).
Strongest tornadoes in Linn County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 30, 1954 | F4 | Linn County | 80.4 mi | 200 yd | 0 | 0 |
| March 13, 1990 | F4 | Linn County | 19 mi | 200 yd | 0 | 0 |
| April 23, 1961 | F3 | Marshall County | 87.7 mi | 800 yd | 1 | 12 |
| May 20, 1953 | F3 | Linn County | 38.6 mi | 400 yd | 0 | 7 |
| May 21, 2004 | F3 | Linn County | 3 mi | 200 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 11, 2025 | EF1 | Linn County | 12.5 mi | 150 yd | 0 | 0 |
| July 11, 2025 | EF2 | Linn County | 6.7 mi | 300 yd | 0 | 0 |
| July 11, 2025 | EF1 | Benton County | 4.1 mi | 250 yd | 0 | 0 |
| June 25, 2024 | EF0 | Linn County | 0.5 mi | 50 yd | 0 | 0 |
| May 24, 2024 | ? | Linn County | 11 mi | 10 yd | 0 | 0 |
About Linn County
- Population: 231,762 (2024 estimate)
- State: Iowa
- NOAA Weather Radio SAME code: 019113 (how to use it)
- Cities: Cedar Rapids