Published: December 11,2016
A blast of bitter-cold arctic air will sweep across the Midwest to begin this week, and then pivot eastward into the Northeast region by late in the week ahead.
The first full week of December featured the first intrusion of arctic air this season in many parts of the country. This next shot of frigid temperatures appears to be even colder for many locations, with some areas seeing high or low temperatures near 30 degrees below average.
Wind chills may make it feel like the teens, 20s or 30s below zero in some Midwest cities at times during the week ahead.
(MORE: How is the Wind Chill Calculated?)
Current Temperatures
Forecast: This Week's Bitter Cold Arctic Blast
An arctic cold front will push through the Midwest Monday into Tuesday, eventually reaching the Eastern Seaboard by Wednesday. High pressure will then build in behind the front, allowing very cold air to infiltrate portions of the U.S. The shivering temperatures may not end there, as a reinforcing shot of arctic air could arrive over the upcoming weekend.(MORE: 5 Things to Know About Cold Fronts and the Plummeting Temperatures They Produce)
A southward dip in the jet stream will sweep an arctic cold front through the Midwest and Northeast regions by midweek.Here is an overview of what to expect with the next blast of frigid air each day. Although temperatures will be dangerously cold in some areas, no widespread record lows are forecast at this time.
Monday
- Temperatures 10-30 degrees colder than average are expected from Montana to Minnesota and the western Great Lakes. Highs in those areas will be in single digits, teens and low 20s.
- Cities: Billings, Montana | Bismarck, North Dakota | Minneapolis
Forecast Highs
- Temperatures 10-30 degrees below average will engulf a swath from Montana to the Great Lakes.
- Subzero low temperatures are forecast in parts of the Dakotas and Minnesota.
- Wind chills in the morning will be in the 20s and 30s below zero from Montana into the Dakotas and parts of western/northern Minnesota.
- Highs in the teens and single digits will be widespread in the upper Midwest.
- Cities: Bismarck, North Dakota | Chicago | Minneapolis
- Lows in single digits above and below zero will stretch from Montana to the western Great Lakes, including Chicago and Minneapolis.
- Wind chills Wednesday morning will be in the teens and 20s below zero from Wisconsin and far northern Illinois to Montana. Some locations near the Canadian border could see wind chills in the 30s below zero.
- Highs will be 10-25 degrees below average from Michigan westward to Montana.
- Cities: Billings, Montana | Chicago | Detroit | Fargo, North Dakota
Forecast Wind Chills Wednesday AM
- The cold air will sweep into the Northeast where highs will stay in the 20s from Boston to Washington D.C. Interior Northeast locations will only rise into the teens.
- Subzero low temperatures are possible Thursday morning in Chicago, Milwaukee and Minneapolis. Highs will only rise into single digits in those cities.
- Cities: Boston | Chicago | Milwaukee | New York
Forecast Morning Lows
Last Week's Arctic Cold Recap
Many locations in the northern Rockies saw their first subzero temperatures of the season last week.Thursday morning, Casper, Wyoming, dipped to minus 33 degrees. That's the coldest reading there since Feb. 16, 2006, according to the National Weather Service. Denver fell to minus 10 degrees, which is just a few degrees short of their daily record of minus 14 degrees.
The cold temperatures made it all the way to the South late in the week, including Brownsville, Texas, which tied a daily record for coldest high temperature Friday with a high of 46 degrees.
On Saturday morning, temperatures dropped to freezing as far south as the Florida panhandle.
(MORE: When Is the Coldest Time of Year?)
Check back to weather.com for updates on the expected frigid temperatures.
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