A powerful storm is forecast to bring rain, freezing rain, heavy wet snows, blizzard conditions, risk of flooding and even thunderstorms to the state on Wednesday into Thursday. Already Blizzard Warnings, Winter Storm Warnings, Winter Storm Watches and Flood Watches are in effect for the state. For the latest on the weather alerts, please visit our Weather Alerts page.
Forecast on this storm: Starting Wednesday morning, precipitation in the form of rain or wintry mix will push into the southern half of the state. This precipitation will spread northward during the morning hours.
By around noon CDT, rain would have spread over much of eastern, South Dakota. Snow/Rain/Ice mixture can be seen east of the Missouri River and west of James River. Rain will start to change over to snow across the west.
By the evening hours, much of western, South Dakota would have changed over to snow. East of the James River, the precipitation looks to remain rain with a mixture between the Missouri and James Rivers.
By Wednesday night, snow would have spread over western and central regions of the state with rain or a mixture of rain, snow or freezing rain for the northeast and just rain for the southeast.
By Thursday morning, snow will start to come to an end across the northwest. Snow continues for western and central, South Dakota. Rain changing over to freezing rain or snow for the northeast and rain continues for the southeast.
Rain is expected to change over to all snow by Thursday afternoon for the east and coming to an end for the west. All the precipitation is forecast to move in Minnesota by Thursday night.
Snowfall and Ice Accumulation forecast can be found on our Significant Precipitation weather story.
Winds are forecast to increase by Wednesday afternoon and spread eastward through Thursday. Wind gust up to 65mph are possible in some locations. Please view the wind gust forecast maps below for timing on the event.