Chisago County weather alerts
There are no active weather alerts for Chisago County, MN right now.
Since 2016 the National Weather Service has issued about 575 alerts that included Chisago County, roughly 58 a year. The most common is the winter weather advisory (94 from 2016 to 2025). The last tornado warning was issued on June 19, 2026. 19 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 Chisago County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Isanti County, Washington County, Polk County, Burnett County.
Chisago County alert history
Alert events that included Chisago County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 94 | 6 | April 3, 2026 |
| Severe Thunderstorm Warning | 66 | 7 | June 19, 2026 |
| Dense Fog Advisory | 63 | 7 | October 1, 2026 |
| Severe Thunderstorm Watch | 59 | 6 | August 25, 2026 |
| Cold Weather Advisory | 59 | 3 | January 26, 2026 |
| Winter Storm Warning | 37 | 2 | March 15, 2026 |
| Winter Storm Watch | 31 | 2 | March 15, 2026 |
| Heat Advisory | 23 | 5 | July 25, 2026 |
| Tornado Watch | 22 | 1 | October 28, 2026 |
| Wind Advisory | 18 | 1 | March 13, 2026 |
| Flood Watch | 17 | 0 | August 18, 2025 |
| Frost Advisory | 15 | 4 | October 5, 2026 |
| Red Flag Warning | 12 | 2 | May 15, 2026 |
| Fire Weather Watch | 9 | 2 | May 15, 2026 |
| Extreme Heat Warning | 8 | 3 | July 25, 2026 |
| Freeze Warning | 8 | 6 | October 17, 2026 |
| Extreme Cold Warning | 8 | 1 | January 22, 2026 |
| Tornado Warning | 7 | 1 | June 19, 2026 |
| Extreme Heat Watch | 6 | 2 | July 26, 2026 |
| Freeze Watch | 3 | 1 | October 17, 2026 |
| Extreme Cold Watch | 3 | 1 | January 23, 2026 |
| Flash Flood Warning | 2 | 0 | July 23, 2016 |
| High Wind Warning | 2 | 0 | December 16, 2021 |
| Blizzard Warning | 2 | 1 | March 15, 2026 |
| High Wind Watch | 1 | 0 | March 7, 2017 |
Tornado history in Chisago County
19 tornadoes have been recorded in Chisago County since 1950, injuring 2 people. That ranks 63 of 87 counties in Minnesota. The most recent was on July 18, 2020 (rated EF0).
Strongest tornadoes in Chisago County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 21, 1957 | F4 | Chisago County | 9.2 mi | 100 yd | 0 | 2 |
| July 28, 2019 | EF1 | Washington County | 8.2 mi | 440 yd | 0 | 0 |
| July 21, 1995 | F1 | Isanti County | 6 mi | 300 yd | 0 | 0 |
| June 17, 1954 | F1 | Chisago County | 3.8 mi | 880 yd | 0 | 0 |
| May 18, 1962 | F1 | Chisago County | 2 mi | 150 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 18, 2020 | EF0 | Chisago County | 1.3 mi | 75 yd | 0 | 0 |
| July 28, 2019 | EF1 | Washington County | 8.2 mi | 440 yd | 0 | 0 |
| July 12, 2017 | EF0 | Chisago County | 0.6 mi | 200 yd | 0 | 0 |
| July 12, 2017 | EF0 | Anoka County | 12.6 mi | 440 yd | 0 | 0 |
| June 21, 2013 | EF0 | Chisago County | 0.5 mi | 50 yd | 0 | 0 |
About Chisago County
- Population: 59,105 (2024 estimate)
- State: Minnesota
- NOAA Weather Radio SAME code: 027025 (how to use it)