Lyon County weather alerts
There are no active weather alerts for Lyon County, MN right now.
Since 2016 the National Weather Service has issued about 914 alerts that included Lyon County, roughly 91 a year. The most common is the severe thunderstorm warning (131 from 2016 to 2025). The last tornado warning was issued on August 14, 2025. 29 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 Lyon County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Murray County, Pipestone County, Lincoln County, Redwood County.
Lyon County alert history
Alert events that included Lyon County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 131 | 2 | July 3, 2026 |
| Winter Weather Advisory | 124 | 8 | April 3, 2026 |
| Wind Advisory | 111 | 5 | October 3, 2026 |
| Dense Fog Advisory | 90 | 9 | October 12, 2026 |
| Cold Weather Advisory | 69 | 4 | March 16, 2026 |
| Severe Thunderstorm Watch | 54 | 6 | September 11, 2026 |
| Winter Storm Watch | 44 | 1 | March 15, 2026 |
| Flood Warning | 34 | 0 | August 17, 2025 |
| Red Flag Warning | 31 | 8 | May 15, 2026 |
| Heat Advisory | 29 | 3 | July 25, 2026 |
| Winter Storm Warning | 28 | 0 | November 28, 2025 |
| Fire Weather Watch | 21 | 4 | May 15, 2026 |
| Frost Advisory | 20 | 4 | May 20, 2026 |
| Blizzard Warning | 19 | 2 | March 15, 2026 |
| Extreme Cold Warning | 19 | 1 | January 23, 2026 |
| Freeze Warning | 14 | 3 | October 17, 2026 |
| Flash Flood Warning | 12 | 0 | August 17, 2025 |
| Flood Watch | 11 | 0 | August 18, 2025 |
| High Wind Warning | 10 | 2 | March 13, 2026 |
| Tornado Watch | 10 | 1 | June 10, 2026 |
| Extreme Heat Warning | 8 | 1 | July 25, 2026 |
| Extreme Heat Watch | 7 | 0 | July 27, 2025 |
| Tornado Warning | 7 | 0 | August 14, 2025 |
| Extreme Cold Watch | 5 | 1 | January 23, 2026 |
| High Wind Watch | 3 | 1 | March 13, 2026 |
| Ice Storm Warning | 2 | 0 | December 13, 2022 |
| Freeze Watch | 1 | 1 | October 17, 2026 |
Tornado history in Lyon County
29 tornadoes have been recorded in Lyon County since 1950, killing 10 people and injuring 175. That ranks 32 of 87 counties in Minnesota. The most recent was on July 19, 2017 (rated EF0).
Strongest tornadoes in Lyon County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 13, 1968 | F5 | Murray County | 9.1 mi | 150 yd | 9 | 150 |
| July 7, 1955 | F4 | Lyon County | 30 mi | 10 yd | 1 | 13 |
| June 16, 1992 | F3 | Murray County | 12 mi | 80 yd | 0 | 0 |
| June 16, 1992 | F2 | Lyon County | 2 mi | 30 yd | 0 | 0 |
| April 21, 1985 | F1 | Murray County | 14.5 mi | 100 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 19, 2017 | EF0 | Lyon County | 1.5 mi | 50 yd | 0 | 0 |
| July 19, 2017 | EF0 | Lyon County | 0.5 mi | 50 yd | 0 | 0 |
| June 18, 2014 | EF0 | Lyon County | 0.3 mi | 50 yd | 0 | 0 |
| March 31, 2014 | EF0 | Lyon County | 10.7 mi | 100 yd | 0 | 0 |
| June 21, 2013 | EF0 | Lyon County | 0.1 mi | 50 yd | 0 | 0 |
About Lyon County
- Population: 25,577 (2024 estimate)
- State: Minnesota
- NOAA Weather Radio SAME code: 027083 (how to use it)