Excessive Heat Warnings in South Dakota
24 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
- 24
- Busiest year
- 20225 excessive heat warnings
- Average year
- 3over 9 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.
- Clay County13
- Union County13
- Yankton County12
- Bon Homme County11
- Lincoln County10
- Turner County10
- Minnehaha County9
- Hutchinson County8
- Aurora County7
- Charles Mix County7
- Douglas County7
- Hanson County7
- McCook County7
- Davison County6
- Lake County6
- Miner County6
- Sanborn County6
- Beadle County5
- Brown County5
- Brule County5
- Jerauld County5
- Kingsbury County5
- Spink County5
- Tripp County5
- Buffalo County4
- Faulk County4
- Grant County4
- Gregory County4
- Hand County4
- Hughes County4
- Hyde County4
- Lyman County4
- Mellette County4
- Moody County4
- Roberts County4
- Todd County4
- Bennett County3
- Brookings County3
- Campbell County3
- Clark County3
21 more counties
- Codington County3
- Corson County3
- Day County3
- Deuel County3
- Dewey County3
- Edmunds County3
- Haakon County3
- Hamlin County3
- Jackson County3
- Jones County3
- McPherson County3
- Marshall County3
- Potter County3
- Stanley County3
- Sully County3
- Walworth County3
- Ziebach County3
- Meade County2
- Perkins County1
- Oglala Lakota County1
- Pennington 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. Warning verification from the Mesonet's Cow. Rebuilt daily.