QUICK FORECAST: 

Monday Night: Mostly clear and very cold but not as windy. Low: 15.
Tuesday: Mostly sunny and still very cold. High: 32.
Tuesday Night: Increasing high clouds. Breezy & not as cold. Low: 28.
Wednesday: Mostly cloudy with some late day showers and light rain. Most of the day in the 30s to low 40s. Evening High: 47.

FORECAST DISCUSSION:

The Arctic Freeze holds tight of the Mid-Atlantic and DC area for another day. Some areas could spend a consecutive 70 hours or more at or below freezing.

After two windy and cold days, winds finally calm down overnight. It will still be very cold, and the temps will drop even lower than Sunday night with clear skies, lighter winds and dry air. Expect single digit lows in the suburbs and some low-mid 10s in the city. There are still wind chill advisories west of the divide in the mountains.

Tuesday will be mostly sunny and still very cold with highs at or below freezing for *most* areas. A few spots may briefly climb just above freezing south of town.

Mid-week, the pattern changes. We'll track the next low pressure system and cold front in from the west. Temps will warm ahead of it into the 40s. Showers become more numerous late on Wednesday. The rain continues Wednesday night and into early Thursday, which could be heavy at times.

DETAILED FORECAST:
Monday Night: Mostly clear and very cold. Breezy early, winds becoming much lighter late. Lows: 4 - 16. Winds: NW - 15 early, turning light late.
Tuesday: Mostly sunny and still very cold. Highs: 29 - 33. Winds: NW - 10.
Tuesday Night: Increasing high clouds. Breezy & not as cold. Lows: 24 - 32. Winds: S 10 - 15.
Wednesday: Mostly cloudy with some late day showers and light rain. Most of the day in the 30s to low 40s. Highs: 44 - 49. Winds: S 10 - 15.

EXTENDED FORECAST

Thursday starts mild, but temperatures come crashing down late in the day from around 50 into the 40s and then 30s. There will be rain in the morning, which could be locally heavy. As the colder air rushes in, the rain could end as a mix, mostly west of the metro area in the mountains. It stays cold into the weekend.

Thursday: Mostly cloudy with rain likely, locally heavy early. Turning colder late day, some mixing with snow possible far west. Highs in the upper 40s.
Friday: Partly cloudy and cold. Mountain snow showers. Highs in the low 30s.
Saturday: Partly cloudy and cold. Highs in the mid 30s.




RECAP: DC's Top Weather Events of 2018


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