Sioux storm history

Flash flooding resulted in a section of BIA Road 3, locally known as the Kenel Road which connects with ND Highway 1806, being washed out at the crossing with Joe Bush Creek. The culvert washed out and the road collapsed. Four vehicles drove into the washout and resulted in two f…

A woman on the Standing Rock Sioux Reservation in Sioux County succumbed to very cold temperatures in her home due to the lack of propane for her heat. There was no heat for the house. Low temperatures were in the single digits below zero and highs were around 10 with an average …

A young woman died of hperthermia approxiately several days before finding her body in a open field near her home. Time of death is unknown. The young woman was intoxicated when she left her home. Nearby weather reporting stations indicated overnight lows between 10 to 20 below z…

A women, age unknown, left her home walking to the grocery store. She took refuge in an abandon house with no electricity or heat. She died of hypothermia. No other information was available.

Estimated peak winds up to 60 mph occurred across Sioux County. An accident between a school bus and a pickup truck, which was caused by the strong winds, resulted in seven injuries.

A North Dakota state record tying hailstone of five inches in diameter fell at Prairie Knights Casino and Resort. The resort, and all vehicles outside, sustained severe damage from the extreme hail. One of these large hail stones crashed through the windshield of a car, injuring …

Up to eight inches of heavy wet snow and sleet fell across Sioux County. The combination of strong winds and the wet snow resulted in widespread damages to electrical utilities, causing massive power outages across the county. In some areas it took several days to restore power. …

Wind gusts up to near 50 mph combined with falling snow and existing loose snow cover to create widespread blizzard conditions across Sioux County. The strong winds and blizzard conditions resulted in additional downed power lines and delayed the repair of existing downed power l…

Tatanka Prairie RAWS reported wind gusts to 64 mph.

Tatanka Prairie RAWS reported wind gusts to 61 mph.

Tatanka Prairie RAWS measured wind gusts to 59 mph.

Multiple large trees were blown down.

Sioux County had estimated wind gusts to 60 mph.

Minimum wind chill values dropped to between 45 below to around 60 below over most locations.

Locations north of Selfridge received 11 inches of snow.

Wind chill values dropped as low as 60 below.

Sioux County had estimated wind gusts to 60 mph.

Thunderstorm wind gusts were estimated by a trained spotter.

Thunderstorm wind gusts were estimated by a trained spotter.

Thunderstorm wind gusts were estimated by the public.

Thunderstorm winds were estimated by the public.

Sioux County received an estimated six inches of snow.

Wind chill values dropped to around 70 below.

Utility wires were down in some locations. Travel and walking outdoors became nearly impossible given the slippery conditions as ice accumulations of well over a quarter inch occurred.

A cold front moving through the area produced gusty winds which combined with a narrow band of snow to produce reduced visibility and some snow covered roads which became slippery.

Sioux County received an estimated six inches of snow.

Sioux County had estimated wind gusts around 60 mph.

Large amount of one-inch diameter hail caused significant dents on a garage door and shattered a window on a home.

The public estimated thunderstorm wind gusts of 70 mph.

The public estimated thunderstorm wind gusts of 70 mph.