Excessive Heat Warnings in Minnesota
57 excessive 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Warnings
- 57
- Busiest year
- 20119 excessive heat warnings
- Average year
- 4over 14 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.
- Hennepin County28
- Ramsey County28
- Anoka County22
- Carver County22
- Dakota County22
- Scott County22
- Washington County22
- Blue Earth County14
- Brown County14
- Le Sueur County14
- McLeod County14
- Nicollet County14
- Redwood County14
- Renville County14
- Sibley County14
- Watonwan County14
- Martin County13
- Rice County13
- Waseca County13
- Wright County13
- Faribault County12
- Meeker County11
- Yellow Medicine County10
- Chippewa County9
- Cottonwood County9
- Houston County9
- Kandiyohi County9
- Lac qui Parle County9
- Sherburne County9
- Wabasha County9
- Winona County9
- Chisago County8
- Dodge County8
- Fillmore County8
- Freeborn County8
- Goodhue County8
- Isanti County8
- Jackson County8
- Mower County8
- Nobles County8
40 more counties
- Olmsted County8
- Steele County8
- Swift County8
- Benton County7
- Lyon County7
- Rock County7
- Stearns County7
- Stevens County7
- Murray County6
- Pope County6
- Pipestone County5
- Big Stone County4
- Clay County4
- Douglas County4
- Grant County4
- Kanabec County4
- Mille Lacs County4
- Norman County4
- Polk County4
- Traverse County4
- Wilkin County4
- Lincoln County3
- Morrison County3
- Otter Tail County3
- Todd County3
- Becker County2
- Cass County2
- Clearwater County2
- Crow Wing County2
- Hubbard County2
- Mahnomen County2
- Wadena County2
- Kittson County2
- Marshall County2
- Aitkin County1
- Carlton County1
- Itasca County1
- Pine County1
- Red Lake County1
- Saint Louis County1
Nearby
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. Rebuilt daily.