National Weather ServiceMinnesotaHeat AdvisoryArchive to October 1, 2026
Heat Advisories in Minnesota
The National Weather Service issued 34 heat advisories for Minnesota in 2025 and 16 a year on average in 2008-2025; in 2021-2025 it had the 24th most of any state. 2026 through September: 41, 159% above the average of 16 for those months in 2008-2025. Carver was covered most often (66 times since 2008).
How many heat advisories does Minnesota get?
Every heat advisory that covered part of Minnesota. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 41 |
| 2025 | 34 |
| 2024 | 21 |
| 2023 | 26 |
| 2022 | 20 |
| 2021 | 14 |
| 2020 | 25 |
| 2019 | 11 |
| 2018 | 23 |
| 2017 | 7 |
| 2016 | 17 |
| 2015 | 7 |
| 2014 | 7 |
| 2013 | 23 |
| 2012 | 18 |
| 2011 | 20 |
| 2010 | 8 |
| 2009 | 4 |
| 2008 | 0 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Minnesota get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Minnesota?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Carver | 66 | 17 | September 4, 2026 |
| Scott | 66 | 17 | September 4, 2026 |
| Hennepin | 65 | 17 | September 4, 2026 |
| Ramsey | 65 | 17 | September 4, 2026 |
| Brown | 63 | 15 | July 27, 2026 |
| Dakota | 63 | 17 | September 4, 2026 |
| Le Sueur | 62 | 16 | July 27, 2026 |
| Nicollet | 62 | 14 | July 27, 2026 |
| Sibley | 62 | 15 | July 27, 2026 |
| Washington | 62 | 17 | September 4, 2026 |
| Anoka | 61 | 17 | September 4, 2026 |
| Watonwan | 61 | 15 | July 27, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a heat advisory?
A heat advisory means heat that can make people ill, especially those without cooling, below the office's extreme heat warning values. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Minnesota.