October 22, 2021


Blizzard/Winter Storm Update


Blizzard Warnings and Winter Storm Warnings are in effect for western, central and northeast, South Dakota starting today and going into the weekend.  A couple of changes have been made from yesterday's forecast on this storm.

Frist, ice accumulations have dropped keeping amounts mainly under one tenth of an inch.  Some isolated higher amounts are possible, with the best risk across eastern, South Dakota.


Snow amounts from this system still look to be the heaviest across the northern Black Hills and into north-central, South Dakota.  The northern Black Hills may see amounts over a foot to about two feet of snow by Sunday.  Amounts look to be heavy across the west and north-central regions of the state and start to drop off across the southeast where precipitation may start as rain, then freezing rain before changing over to snow.


The forecast for today is calling for a mixture of precipitation to develop across the state with high temperatures reaching into the lower to mid 30s.  By tonight, this precipitation will change over to snow across the west and north.  The southeast will see a mixture of rain, freezing rain and snow.  Overnight lows into the mid 20s to around 30 degrees.

On Saturday, it will become windy with areas of blowing snow across the west and north.  Snow, heavy at times throughout the day for western and central, South Dakota.  A mixture of rain, freezing rain and snow expected for eastern, South Dakota.  Highs from the mid 20s across the west to the lower 40s in the southeast.

Sunday, skies will be mostly cloudy with snow ending from west to east.  Remaining windy with areas of blowing snow and reduce visibilities.  Highs from the mid 20s to the mid 30s.