St. Louis County weather alerts
There are no active weather alerts for St. Louis County, MN right now.
Since 2016 the National Weather Service has issued about 1,511 alerts that included St. Louis County, roughly 151 a year. The most common is the severe thunderstorm warning (379 from 2016 to 2025). The last tornado warning was issued on August 25, 2026. 40 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 St. Louis County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Carlton County, Aitkin County, Lake County, Koochiching County.
St. Louis County alert history
Alert events that included St. Louis County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 379 | 38 | September 11, 2026 |
| Winter Weather Advisory | 190 | 11 | April 4, 2026 |
| Dense Fog Advisory | 171 | 31 | November 1, 2026 |
| Cold Weather Advisory | 146 | 4 | January 30, 2026 |
| Flood Advisory | 83 | 9 | September 11, 2026 |
| Frost Advisory | 73 | 11 | October 5, 2026 |
| Winter Storm Watch | 63 | 4 | April 3, 2026 |
| Winter Storm Warning | 62 | 4 | April 4, 2026 |
| Severe Thunderstorm Watch | 49 | 7 | September 3, 2026 |
| Wind Advisory | 36 | 1 | February 27, 2026 |
| Tornado Warning | 32 | 3 | August 25, 2026 |
| Flood Watch | 29 | 0 | July 28, 2025 |
| Red Flag Warning | 28 | 10 | July 14, 2026 |
| Extreme Cold Warning | 26 | 2 | January 25, 2026 |
| Flood Warning | 25 | 0 | July 23, 2025 |
| Freeze Warning | 24 | 3 | October 5, 2026 |
| Flash Flood Warning | 23 | 0 | July 23, 2025 |
| Fire Weather Watch | 22 | 7 | July 20, 2026 |
| Snow Squall Warning | 10 | 8 | April 8, 2026 |
| Heat Advisory | 9 | 9 | July 29, 2026 |
| Tornado Watch | 7 | 1 | June 30, 2026 |
| Extreme Cold Watch | 6 | 1 | January 23, 2026 |
| Freeze Watch | 4 | 0 | October 8, 2025 |
| Blizzard Warning | 4 | 2 | March 12, 2026 |
| High Wind Warning | 4 | 0 | May 20, 2025 |
| Extreme Heat Watch | 3 | 2 | July 26, 2026 |
| Lake Effect Snow Warning | 1 | 0 | March 13, 2017 |
| Coastal Flood Advisory | 1 | 0 | October 21, 2019 |
| Extreme Heat Warning | 1 | 2 | July 26, 2026 |
Tornado history in St. Louis County
40 tornadoes have been recorded in St. Louis County since 1950, killing 3 people and injuring 37. That ranks 13 of 87 counties in Minnesota. The most recent was on September 19, 2024 (rated EF1).
Strongest tornadoes in St. Louis County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 6, 1969 | F3 | St. Louis County | 17.2 mi | 117 yd | 2 | 3 |
| August 6, 1969 | F3 | St. Louis County | 18.4 mi | 2,933 yd | 0 | 20 |
| August 6, 1969 | F3 | St. Louis County | 10 mi | 300 yd | 0 | 9 |
| August 6, 1969 | F3 | St. Louis County | 7.2 mi | 220 yd | 0 | 0 |
| August 6, 1969 | F3 | St. Louis County | 3.8 mi | 250 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 19, 2024 | EF1 | St. Louis County | 5.9 mi | 200 yd | 0 | 0 |
| July 7, 2024 | EF0 | St. Louis County | 2 mi | 30 yd | 0 | 0 |
| May 18, 2022 | EF0 | St. Louis County | 3.1 mi | 50 yd | 0 | 0 |
| July 17, 2019 | EF0 | St. Louis County | 5.7 mi | 500 yd | 0 | 0 |
| July 17, 2019 | EF1 | St. Louis County | 5.7 mi | 420 yd | 0 | 0 |
About St. Louis County
- Population: 200,794 (2024 estimate)
- State: Minnesota
- NOAA Weather Radio SAME code: 027137 (how to use it)