Minnesota extreme heat warnings
There are no extreme heat warnings in Minnesota right now. The last one was issued on July 26, 2026.
Dangerous, potentially deadly heat is expected. Stay cool and check on vulnerable people.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Active extreme heat warnings in Minnesota
None right now. Other active alerts in Minnesota: none.
Extreme Heat Warnings in Minnesota by year
Minnesota averaged 4.7 extreme heat warnings per year from 2016 to 2025, and has had 13 so far in 2026. The most recent was issued on July 26, 2026.
Counties with the most extreme heat warnings
| County | 2016–2025 |
|---|---|
| Ramsey County | 21 |
| Hennepin County | 21 |
| Carver County | 20 |
| Washington County | 20 |
| Scott County | 20 |
| Dakota County | 20 |
| Anoka County | 20 |
| Watonwan County | 13 |
| Le Sueur County | 13 |
| Sibley County | 13 |
What a extreme heat warning means
An extreme heat warning (formerly the excessive heat warning) is the highest heat alert. It is issued when the heat index or air temperature reaches dangerous levels, often for several days, with little relief overnight.
More about extreme heat warnings and the national map →
What to do
- Stay in air conditioning as much as possible.
- Check on older relatives and neighbors at least twice a day.
- Reschedule outdoor work to early morning.
More Minnesota alerts
- Tornado Warnings
- Tornado Watches
- Severe Thunderstorm Warnings
- Flash Flood Warnings
- Flood Warnings
- Flood Watches
- Winter Storm Warnings
- Winter Storm Watches
- Winter Weather Advisories
- Blizzard Warnings
- Extreme Cold Warnings
- Cold Weather Advisories
- Freeze Warnings
- Frost Advisories
- Heat Advisories
- High Wind Warnings
- Wind Advisories
- Red Flag Warnings
- Dense Fog Advisories
- All Minnesota alerts