Weather alerts in South Dakota, 2017
1,643 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 1,643
- Warnings
- 689
- Watches
- 81
- Advisories
- 205
- Busiest month
- July451 alerts
- Busiest day
- June 13, 201785 alerts
Over time
By month
The alerts
1,643 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pennington County194
- Meade County178
- Custer County154
- Lawrence County151
- Spink County125
- Oglala Lakota County121
- Day County120
- Codington County117
- Brown County115
- Lyman County111
- Roberts County111
- Grant County110
- Butte County108
- Deuel County107
- Tripp County106
- Edmunds County104
- Hand County104
- Brookings County102
- Hamlin County102
- Haakon County102
- Marshall County101
- Lake County100
- Clark County100
- Charles Mix County100
- Mellette County99
- Faulk County98
- Miner County97
- Ziebach County97
- Kingsbury County96
- Jackson County96
- Sanborn County95
- Hughes County95
- Hyde County95
- Perkins County95
- Beadle County94
- Dewey County94
- Aurora County94
- Hutchinson County93
- Minnehaha County93
- Sully County93
26 more counties
- Fall River County93
- Davison County92
- Jones County91
- Potter County91
- Harding County91
- Moody County90
- Stanley County90
- Todd County90
- Turner County89
- Corson County89
- McPherson County89
- Walworth County89
- McCook County88
- Hanson County87
- Brule County87
- Douglas County87
- Lincoln County86
- Buffalo County85
- Jerauld County85
- Union County84
- Campbell County84
- Bennett County84
- Gregory County83
- Yankton County76
- Bon Homme County75
- Clay County74
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.