The storm system has already brought very strong winds to western, South Dakota on Tuesday causing issues on area roads. The South Dakota Highway Patrol responded to this camper and truck that was blown over onto its side on Interstate 90 near New Underwood.
Photo Credit: South Dakota Highway Patrol
Winds throughout the day were strong with a peak wind gust of 71mph reported at the Rapid City Airport. Out towards the west near Wasta, a wind gust of 70mph was recorded and near Scenic a 66mph wind gust was felt.
Other reports were... 64mph near Folsom, 62mph gust near Cactus Flat, 61mph near Box Elder, 58mph at Ellsworth Airforce Base, and 57mph winds near Porcupine.
The rain started to develop over the west on Tuesday morning and as cold air filtered into the region, some of that rain changed over to snow.
Photo Credit: SDDOT in Deadwood, SD on US Highway 85 at 7:13 pm MDT
The National Weather Service has already put out one snowfall report which was located 10 miles southwest of Red Elm in the northwest, South Dakota. The report advised that one inch of snow had already fallen as of 6:31 pm MDT.
Rain and a few thunderstorms are expected to continue through the evening hours before changing over to snow during the overnight. By Wednesday morning, all the precipitation is forecast to be snow.
Snowfall amount by the time this storm comes to an end is forecast to be from one to three inches from the northeast, South Dakota down towards south-central and parts of the southwest, South Dakota. A few higher spots in the far northeast, South Dakota, and into the northern Black Hills are expected. Lesser amounts will be found in the southeast and far western regions of South Dakota.