Strong south to southwest winds developed ahead of an approaching cold front. The strongest winds were over the terrain favored areas of the Black Hills, the Spearfish area, and parts of southwestern into south central South Dakota.
Every event with a place to put it; 9 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS UNR wrote it up.
Strong south to southwest winds developed ahead of an approaching cold front. The strongest winds were over the terrain favored areas of the Black Hills, the Spearfish area, and parts of southwestern into south central South Dakota. Wind gusts of 60 to 70 mph occurred for a brief period during the early morning hours when a spotter west of Spearfish reported a gust of 81 mph.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Rapid City, SD wrote its last area forecast discussion before the first event at Nov 29, 2:45 AM MST, 15 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Rapid City SD 241 PM MST Tue Nov 28 2017 SDZ024>026-028-072-WYZ057-291400- Northern Black Hills-Northern Foot Hills-Rapid City- Central Black Hills-Sturgis/Piedmont Foot Hills- Wyoming Black Hills- 241 PM MST Tue Nov 28 2017 This Hazardous Weather Outlook is for portions of northwestern South Dakota...southwestern South Dakota...and the Black Hills. .DAY ONE...This Afternoon and Tonight Southerly winds will increase tonight ahead of an approaching cold front. Gusts to 60 mph are expected overnight across portions of northeast Wyoming and the central to northern Black Hills. A High Wind Warning is in effect. Winds will decrease around sunrise Wednesday. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A strong cold front will push through the area Wednesday morning. West to northwest winds will develop behind the front. Sustained winds of 20 to 35 mph and gusts to around 50 mph are possible across the foothills and adjacent plains. The grassland fire danger across the South Dakota plains is forecast to be in the very high to extreme category on Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today. && Stay tuned to NOAA weather radio for further updates...or check our web site at weather.gov/rapidcity SDZ001-002-012>014-291400- Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach- 241 PM MST Tue Nov 28 2017 This Hazardous Weather Outlook is for portions of northwestern South Dakota. .DAY ONE...This Afternoon and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A strong cold front will push through the area Wednesday morning. West to northwest winds will develop behind the front. Sustained winds of 30 to 45 mph and gusts to over 60 mph are possible. A high wind watch is in effect for late Wednesday morning and afternoon. The grassland fire danger is forecast to be in the extreme category on Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today. && Stay tuned to NOAA weather radio for further updates...or check our web site at weather.gov/rapidcity SDZ027-029>032-041>044-046-047-049-073-074-WYZ054>056-058-071- 291400- Southern Foot Hills-Southern Black Hills-Custer Co Plains- Pennington Co Plains-Haakon-Fall River-Oglala Lakota-Jackson- Bennett-Mellette-Todd-Tripp-Southern Meade Co Plains- Hermosa Foot Hills-Northern Campbell-Southern Campbell- Western Crook-Weston-Northeastern Crook- 241 PM MST Tue Nov 28 2017 /341 PM CST Tue Nov 28 2017/ This Hazardous Weather Outlook is for portions of western South Dakota and northeastern Wyoming. .DAY ONE...This Afternoon and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A strong cold front will push through the area Wednesday morning. West to northwest winds will develop behind the front. Sustained winds of 20 to 30 mph and gusts to around 50 mph are possible. The grassland fire danger in South Dakota is forecast to be in the very high to extreme category on Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today. && Stay tuned to NOAA weather radio for further updates...or check our web site at weather.gov/rapidcity
The national radar mosaic for the moment the first event began.
9 high wind. Local standard time, as filed.
Some power outages were reported in Belle Fourche.
A tractor trailer was blown over on Interstate 90 near exit 8. A partially built home in Spearfish was damaged and a few trees, branches, and some power lines were blown down.
Some trees and power lines were downed near Lead and Central City.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2017Every state in 2017This day in weather historyWarnings in South Dakota, November 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 726828, 726829, 726830, 726833, 726831, 726832, 726834, 726835, 726836.