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Significant Snows Coming

The forecast models continue to show significant snow chances and amounts coming late this weekend into the first part of the workweek.

Here is the latest information as of Saturday morning...

The National Weather Service in Rapid City has already placed northwest, South Dakota under a Winter Storm Watch for Sunday evening through late Monday night.

Impacts... Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes.

Rapid City National Weather Service

The forecast models still have some disagreement on the track of this storm system. Any changes to the track of this storm could change snowfall amounts.

The North American Model shows precipitation moving into northwest, South Dakota starting Sunday afternoon and then spreading eastward by the evening hours.

By early Monday morning, the forecast model has snow over the north and parts of western, South Dakota.

By mid-morning on Monday, much of the western and northern regions of the state will be seeing snow according to the North American Model.

Taking a look at the GFS Model, snows look to move into northwest, South Dakota by late afternoon on Sunday. Some of the snow could be mixed with light rain at first. The snows then look to spread eastward across the northern regions of the state during the overnight hours.

The GFS model then has pockets of snow across northern regions of the state during the early morning hours.

According to the GFS model, the northeast and north-central and back towards the southwest, South Dakota will see snow throughout the day.

By the evening and overnight hours, the GFS model has snow spreading into the southeast as it continues its track eastward.

As of right now, the heaviest snowfall looks to be mainly along and north of U.S. Highway 14 where the area could see six to nine inches with some areas above nine inches. Lesser amounts around Interstate 90 with generally three to six inches.

Please keep checking back with DakotaRadar for the latest information on this storm system.

For the latest and local information on the current weather alerts, visit our weather alerts page.


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