PM Update: Frigid wind chills tonight and continued cold Sunday

Blustery conditions and periodic low clouds are slowly decreasing into sunset, with just a stray snow shower chance. Wind chills as low as zero degrees are possible into early tomorrow — please dress appropriately if outside for over 30 minutes. Still cold and a bit blustery tomorrow, just not quite on par with today’s frigidity.

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Through Tonight: Wind gusts from the northwest near 30 mph early ease toward 20 mph nearer dawn as low temperatures bottom out in the teens. Adding in this wind, it will feel close to zero degrees at the coldest moments. Skies are partly to mostly clear.

View the current weather at The Washington Post.

Tomorrow (Sunday): Skies are mainly sunny, perhaps brightest during the afternoon hours. Don’t let its looks trick you through the windows while indoors — early wind chills around zero are possible, though they slowly warm above 20 degrees late day. The thermometer tops out in the near 30 to mid-30s briefly in the warmest spots. A couple gusts from the northwest could peak around 25 mph during the morning hours before slowly easing.

Overnight, steadily calming northwest breezes allow us to get a hair chillier — perhaps our coldest night yet of the season. Combined with the cooling mechanism of snowpack along with mostly clear skies, temperatures dip to near 10 degrees to the midteens in the “warmest” spots.

Snow lovers look ahead to Presidents’ Day?

While not saying with certainty to expect zero snow until Presidents’ Day, the CWG team is seeing a warmer temperature trend over the next 10 days (into perhaps the first couple weeks of February). The below graphical summary of the European weather modeling system, that includes the entirety of its background simulations, shows above-average temperatures even into the first couple weeks of February.

Our CWG winter weather expert Wes Junker finds “good news is that beyond 10 days there isn’t much skill” in the weather models. Our head editor Jason Samenow tries to focus on cold air re-infiltrating the region if two atmospheric patterns can shift next month. The North Atlantic Oscillation (NAO) and Arctic Oscillation (AO) “trend toward negative,” he finds indicated in extended range weather model guidance, well before Presidents’ Day. Confidence is far from high, though.

To leave snow lovers with a happier graphic (above) created by CWG’s Ian Livingston, we’ve had above-average seasonal snowfall so far this winter in the D.C. area, perhaps attributable to El Niño — a good supplier of moisture for us — and a negative NAO supplying cold air for much of January.

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