D.C.-area forecast: Tranquil today but turning cold Saturday ahead of Sunday's winter storm – The Washington Post

A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.
6/10: Clouds increase, winds cease; I’ve said my piece.
Today is the last calm, somewhat mild day before cold air starts spilling back into the area on Friday. This sets us up for a bitter Saturday and accumulating snow Sunday as a winter storm moves in. The snow might mix with and change to ice and rain Sunday night as the intensifying coastal storm draws in milder air off the ocean. So much for a peaceful holiday weekend.
Today (Thursday): Sunshine should dominate in the early morning, but clouds increase as the day progresses. Winds are calm, making highs in the mid- to upper 40s manageable. Confidence: High
Tonight: Clouds hold through much of the night and winds remain minimal. Lows are mainly in the low 30s. Confidence: High
Follow us on Facebook, Twitter, and Instagram for the latest weather updates. Keep reading for the forecast through the weekend…
Tomorrow (Friday): A big storm wraps up well off the coast, but our only impact is gusty winds from the north. Even the clouds are mainly out to sea, so the sun helps to take the edge off the cold. Highs are in the low to mid-40s, near normal for the heart of winter. Confidence: High
Tomorrow night: Winds slowly diminish through the night. Lows drop to the upper teens to low 20s under mostly clear skies. Confidence: High
Wintry cold clamps down on the area Saturday with highs only in the upper 20s and enough of a north wind to make it feel even colder. Scattered clouds through the evening allow a nice view of the almost-full Wolf Moon. Overnight lows range through the teens. Confidence: Medium-High
Clouds increase quickly Sunday morning as the big storm approaches from the southeast. Details are still a little tricky, but snow is favored to spread over the region from south to north during the afternoon and early evening. Some accumulation seems likely, causing slick roads to develop. On Sunday night, snow may change to ice and then rain as temperatures remain steady or slowly rise a bit. The precipitation could be heavy at times. Winds will become strong and gusty overnight. Confidence: Medium
Some rain or snow showers could linger early Monday before gradual clearing begins. Highs are probably in the low 40s. Confidence: Low-Medium
A daily assessment of the potential for at least 1 inch of snow in the next week, on a 0-10 scale.
6/10 (): A burst of accumulating snow is likely late Sunday, but a possible switch to rain overnight could well wash it away.
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