It’s been quite cold across the East so far this December, but warmer temperatures are ahead for at least a couple days east of the Rockies. This Saturday, warmer than average temperatures will be felt from California, into the Southwest, northern and central Plains, and as far east as the Ohio Valley. Temperatures will be up to twenty degrees with the epicenter of the warmth in Missouri. The exact opposite will be in South Texas where temperatures up to twenty degrees will be below average on Saturday. The only areas feeling the cooler temperatures will be in the Northeast, Northwest, and the East and Gulf Coasts.

Then on Sunday, the cold air will still remain stubborn across much of the Northeast. Yet, some of it will sneak into the Mid-Atlantic, as well as in the intermountain West. Meanwhile, the remaining areas east of the Rockies will be feeling the above normal temperatures as well as the West Coast. The highest positive temperature anomalies will be found in the Dakotas and the mid Gulf Coast. Now in the Rockies, temperatures will be nearly twenty degrees below average due to snow in the forecast. Great for the ski resorts.

Looking ahead through Wednesday, above average temperatures will dominate the entire Lower 48 of the United States. Then starting Thursday, a cut-off low (a low pressure displaced from the jet stream) will dig down into the Southwest, leading to cooler than average temperatures for the entire West. The East will remain warm under a ridge of high pressure during this time.

European Model 500 mb Height Anomaly Saturday, Dec. 23

By the weekend, however, the cold temperatures will takeover all of the nation with the exception of the Southeast due to the strong ridge over the region.

European Model Temperature Anomalies Sunday, Dec. 24

Jackson is Head of Content at WeatherOptics and produces several forecasts and manages all social media platforms. Previously, Jackson forecasted local weather for southwestern Connecticut, founding his website, Jackson's Weather, in the March of 2015. He is currently studying Meteorology and Broadcast Journalism at the University of Miami.

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