Isanti County weather alerts
There are no active weather alerts for Isanti County, MN right now.
Since 2016 the National Weather Service has issued about 586 alerts that included Isanti County, roughly 59 a year. The most common is the winter weather advisory (90 from 2016 to 2025). The last tornado warning was issued on June 19, 2026. 14 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 Isanti County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Chisago County, Mille Lacs County, Kanabec County, Sherburne County.
Isanti County alert history
Alert events that included Isanti County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 90 | 8 | April 3, 2026 |
| Severe Thunderstorm Warning | 69 | 4 | October 28, 2026 |
| Dense Fog Advisory | 65 | 7 | September 28, 2026 |
| Severe Thunderstorm Watch | 63 | 7 | August 25, 2026 |
| Cold Weather Advisory | 61 | 3 | January 26, 2026 |
| Winter Storm Warning | 34 | 1 | March 14, 2026 |
| Winter Storm Watch | 29 | 2 | March 15, 2026 |
| Heat Advisory | 24 | 4 | July 25, 2026 |
| Wind Advisory | 20 | 1 | March 13, 2026 |
| Tornado Watch | 19 | 1 | October 28, 2026 |
| Flood Watch | 18 | 0 | August 18, 2025 |
| Frost Advisory | 15 | 5 | October 5, 2026 |
| Red Flag Warning | 14 | 3 | May 15, 2026 |
| Fire Weather Watch | 12 | 2 | May 15, 2026 |
| Extreme Cold Warning | 11 | 1 | January 22, 2026 |
| Extreme Heat Warning | 8 | 3 | July 25, 2026 |
| Tornado Warning | 8 | 1 | June 19, 2026 |
| Freeze Warning | 7 | 5 | October 17, 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 | August 17, 2022 |
| 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 Isanti County
14 tornadoes have been recorded in Isanti County since 1950, injuring 4 people. That ranks 73 of 87 counties in Minnesota. The most recent was on August 29, 2024 (rated EF1).
Strongest tornadoes in Isanti County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 13, 1981 | F2 | Isanti County | 2 mi | 100 yd | 0 | 0 |
| July 21, 1995 | F1 | Isanti County | 13 mi | 220 yd | 0 | 0 |
| October 26, 1996 | F1 | Isanti County | 12 mi | 880 yd | 0 | 1 |
| July 1, 1997 | F1 | Anoka County | 10 mi | 400 yd | 0 | 0 |
| August 29, 2024 | EF1 | Anoka County | 9.6 mi | 250 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 29, 2024 | EF1 | Anoka County | 9.6 mi | 250 yd | 0 | 0 |
| July 17, 2020 | EF1 | Isanti County | 3 mi | 150 yd | 0 | 0 |
| July 30, 2011 | EF0 | Mille Lacs County | 5.2 mi | 100 yd | 0 | 0 |
| June 25, 2002 | F1 | Isanti County | 1 mi | 100 yd | 0 | 0 |
| June 18, 2001 | F1 | Isanti County | 8.3 mi | 0 yd | 0 | 0 |
About Isanti County
- Population: 43,687 (2024 estimate)
- State: Minnesota
- NOAA Weather Radio SAME code: 027059 (how to use it)