The Washington Post

D.C. area forecast: Afternoon/evening wet snow or mix; calm Christmas, then stormy


Today: Variably cloudy, becoming breezy. Chance late flurries. 42-47. | Tonight: Flurries, windy, much colder. 16-22. | Tomorrow: Partly sunny, windy, and very cold. 24-29. | Get Express Forecast by E-mail

A daily assessment of the potential for *accumulating* snow for the next week on a 0-10 scale. More info


Today (Monday): We awaken to chilly temps - mainly in the 30-35 degree range with partly cloudy skies. Despite the passage of Sunday’s cold front, a brief interval of southerly winds ahead of the next front permits temperatures to bounce back into the 40s, and perhaps over 45 briefly. Swearing-in temps should be right around 40, with low-to-mid 40s for the inaugural parade. By late in the afternoon and towards evening, winds pick up and become more out of the west (at 10-20 mph) as the front approaches. We might (20 percent chance) see a brief rain or snow shower around that time. Confidence: Medium

Tonight: It becomes breezy and sharply colder through the course of the evening with snow flurries or a snow shower possible (30 percent chance). By 10 p.m., skies partially clear and most spots are near or below freezing. The remainder of the night, temps continue to steadily slide. Morning lows range from 16-22 (suburbs-city). That’s easily the coldest night of the year so far, especially when you factor in wind chills in the single digits and teens. Winds are from the northwest at 10-15 mph, with gusts in the 20-25 mph range. Confidence: Mediu

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend...

Tomorrow (Tuesday): Very cold and windy. Highs only manage to climb into the mid-to-upper 20s despite partly to mostly sunny skies. Winds are from the northwest at 10-20 mph, producing wind chills in the teens (and even single digits in the morning). Confidence: Medium-High

Tomorrow night: Frigid. Under clear to partly cloudy skies, lows range from 8-15 (suburbs-city). With a lingering breeze from the northwest around 10-15 mph, wind chills will be in the single digits to several degrees below zero in some of our colder suburbs. Confidence: Medium-High


We remain in the grips of the arctic airmass Wednesday through the day Thursday, with highs in the upper 20s to near freezing, and overnight lows in the teens. Skies are generally partly to mostly sunny, with some increase in clouds late Thursday. Confidence: Medium-High

Cloudy skies Thursday night and Friday as a storm system rolls into the area. With cold air in place, snow or a frozen mix of precipitation is most likely Thursday night. By Friday, snow or a wintry mix *could* transition to rain depending on the storm track. Highs are in the 30s and lows in the 20s. We will have more details on this possible winter weather scenario in the coming days. While this doesn’t appear to have the makings of a huge storm, it does have the potential to be the most meaningful of the winter (although that’s not saying much). Confidence: Low-Medium

Cold air reinforcements arrive for the weekend with highs in the upper 20s to mid-30s and lows in the teens. It’s looking partly sunny and dry at this point, but that’s not completely etched in stone so check back for refinements. Confidence: Low-Medium

Jason is the Washington Post’s weather editor and Capital Weather Gang's chief meteorologist. He earned a master's degree in atmospheric science, and spent 10 years as a climate change science analyst for the U.S. government. He holds the Digital Seal of Approval from the National Weather Association.
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