After a bit of light snow early this morning, skies have been mostly cloudy. There have been a few breaks in the cloud cover, but the sky has been less than blue. Arctic air remains in place, with temperatures in the single digits to low teens, and a light northerly breeze. There was some light afternoon snow in western South Dakota.
Tonight a weak disturbance will bring an area of light snow through south central and south eastern South Dakota. Amounts should be limited, up to around an inch. Overnight lows will be near or below-zero. Snow should be out of here by morning.
Tomorrow will be a mostly sunny but cold day, with highs again in the single digits in the north to the teens in the south. A NW breeze will blow at 10-15 mph.
Friday will also be cold – especially in the morning, when eastern KELOLAND will be in the teens below zero. The NE part of the area may get down around 20 below zero. During the morning, we’ve had to add a chance for some light snow, under an inch. Later in the day, the coldest air will slide to the east so afternoon highs will be in the teens East River to low 20s West River.
We’ll start to warm up a bit this weekend. Skies should be partly to mostly sunny, with temperatures in the teens in the north to the 20s in the south on Saturday, and a few degrees warmer with better sunshine on Sunday. Sioux Falls may get to around 30 on Sunday.
We are watching a storm system that should come through the central part of the US on Monday. The latest runs of the forecast models have been pushing it a little farther north than previous runs, so we’ll have to add a chance of rain or snow in SE KELOLAND on Monday. This is something we’ll have to keep an eye on, to see if it appears more likely the storm will affect other parts of KELOLAND.
Signs are that next week we will enjoy a January thaw. Multiple models bring in sharply warmer air, so much that we may have above-normal temperatures starting on Monday or Tuesday (30s). Temperatures will continue to warm all of next week into the weekend of January 21-22
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