SOUTH DAKOTA - Everyone in the state of South Dakota is under a Winter Storm Watch, Winter Weather Advisory or a Winter Storm Warning ahead of a storm system forecast to bring widespread precipitation to the region.
The Black Hills by far will see the most amounts of snow during this event. Today, besides early morning rain/snow showers, skies will be mostly sunny for the most part. Snow will start to spread into the region by tonight and be heavy at times. The snow is expected to continue into Thursday before ending by early Thursday night. Total snowfall amounts of 7 to 12 inches are possible with majority falling tonight.
The plains of western, South Dakota looks to see lesser amounts of snow then the Black Hills. Overall generally three to six inches will be possible with lesser amounts towards south-central, South Dakota.
Showers and a few thunderstorms are possible this afternoon with precipitation mixing with and changing over to snow for much of the area by later tonight. The chance of snow will continue into Thursday before leaving the region by late Thursday night.
Across central and eastern, South Dakota widespread rain, wintry mix, freezing rain and snow is expected to move into the area later on tonight. North-central, South Dakota stands the best chance of moderate accumulations of snow with the Mobridge area forecast to receive three to six inches.
Snow amounts become lesser towards the east as temperatures will be warmer to support more rain or freezing rain. Watertown's snowfall forecast is sitting at two inches or less and down by Sioux Falls, mainly an inch.
Ice accumulations are possible for the east as some locations may see 0.10 to 0.20 before changing over to snow.