The cold arctic air is still in place, and we have plenty of cold to go around. Sunny skies and southwest winds will push temperatures to 20° Tuesday afternoon after morning lows near zero. Now another, even colder, shot of air will be arriving on New Years Eve. Sunday night wind chills could be as cold as 30 degrees below zero.
Clouds will roll back into the area tonight as Clipper-type system dives makes its way across the Great Lakes and into the Northeast. Additionally, a few light lake-effect snow showers are possible in the northern part of the state today. A light dusting of snow is expected north of there, where cold layer temperatures get cold enough to support snow.
A trough of low pressure has enabled cold air to spill into the US from Canada, which has caused temperatures to plummet.
The bitterly cold weather will now return setting the stage for a frigid New Year’s weekend with single-digit highs and subzero lows returning.
“The closer you get to downtown, the less the wind chill will be”.
We start off with some sunshine tomorrow morning but clouds increase around midday as a disturbance heads our way.
The immediate Sioux Falls area is in a wind chill advisory until noon Saturday, along with Rock Rapids in Iowa.
Wind Chills at or below Zero New Years Eve night. Temperatures will slip into the 30s, eventually plummeting to the lower 20s in the early hours of New Year’s Day. That combination allowed our afternoon temperatures to warm into the upper teens.
A Winter Weather Advisory has been issued for most of northeast IL and parts of northwest IN, warning of 3 to 5 inches of snow expected, with isolated locations potentially seeing up to 6 inches. (Except this Saturday of course). Relatively “mild” highs should top out in the mid to upper 40s.