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December 04, 2017 04:24 AM

Storm Center Update - Monday AM December 4

Winter weather is here!  (or soon will be)

After a couple of mild December days, it will be much colder, windier, and for some…snowier today.

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Blizzard Warnings, Winter Storm Warnings, and Winter Weather Advisories are already out for much of KELOLAND today.  The worst of the weather will be in central and northeast South Dakota as rain early this morning will continue its switch over to snow.

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Where it’s already snowing or soon will be snowing, winds will be strong.  Expect northerly winds sustained between 20 and 40 miles per hour.  Keep in mind, there will be stronger wind gusts to near 60 miles per hour at times.  The strong winds will combine with the snow to produced visibilities to near zero at times.  Blizzard conditions can be expected today through the evening in northeast KELOLAND.

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Snow amounts will vary across KELOLAND with the highest totals being found in the northern Black Hills of western South Dakota.  This is an area that will see 4-8”.  Amounts will start to taper off in the plains with Rapid City around 1-3”.  Central South Dakota will average 1-3”, but there will be heavier bands that do set-up in south central to northeast South Dakota.  Here the amounts may vary from 2-5” for areas such as Winner, Chamberlain, Huron, Watertown, Aberdeen, and Sisseton.  Amounts will be less with a trace to 2” for areas east and southeast of the heavier band.  It will be tough to measure as strong winds will be blowing a lot of the snow around.  Use caution when outside.

The colder air will reach southeastern KELOLAND late as rain will switch to snow late in the morning or early in the afternoon for areas east of Mitchell and south of Interstate 90. 

 

It will be much colder as high temperatures have already been hit in many locations earlier this morning.  Expect steady or falling temperatures for the rest of the day.  Afternoon temperatures will be in the 20s and 30s in many locations, but the strong winds will make it feel much colder.  Wind chills by the afternoon will most likely be in the teens.

 

Once the storm system leaves late today, cold air will be here for a while.  High temperatures for the rest of the week will be in the 20s and 30s with lows falling to the single digits and teens.  With the cold air in place, we will have to watch for light snow showers later in the week.  It won’t be anything like today, but a quick flurry or a snow shower will be possible around midweek and maybe Friday.   

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