Alert archive / Minnesota

Extreme Heat Warnings in Minnesota

21 extreme heat warnings since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of extreme heat warnings reaches back to 2005.

Extreme Heat Warnings by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Extreme Heat Warnings
21
Busiest year
202613 extreme heat warnings
Average year
11over 2 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By county

Every county with at least one alert. A county page lists each alert that covered it.

47 more counties

The latest extreme heat warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Jul 25, 11:19 PM CDTExtreme Heat WarningABRBig Stone, Traverse22 hr
Jul 25, 11:52 AM CDTExtreme Heat WarningDLHAitkin, Carlton, Cass, Crow Wing, Itasca, Pine and 1 more33 hr
Jul 25, 11:50 AM CDTExtreme Heat WarningFGFBecker, Clay, Grant, Hubbard, Mahnomen, Norman and 4 more35 hr
Jul 25, 2:20 AM CDTExtreme Heat WarningARXDodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more67 hr
Jul 24, 11:24 PM CDTExtreme Heat WarningFSDCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more46 hr
Jul 24, 12:59 PM CDTExtreme Heat WarningMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more56 hr
Jul 14, 12:55 AM CDTExtreme Heat WarningFGFBecker, Beltrami, Clay, Clearwater, Grant, Hubbard and 6 more21 hr
Jul 12, 2:43 AM CDTExtreme Heat WarningMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 31 more6 days
Jul 11, 1:44 PM CDTExtreme Heat WarningFGFBecker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more59 hr
Jul 11, 1:33 PM CDTExtreme Heat WarningDLHAitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 4 more4 days
Jun 28, 12:45 PM CDTExtreme Heat WarningDLHPine35 hr
Jun 28, 12:44 AM CDTExtreme Heat WarningMPXAnoka, Benton, Blue Earth, Brown, Carver, Chisago and 28 more47 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.