From the ABC 7 Weather team

D.C. Weather Forecast: Turning Dangerously Cold Tonight

January 6, 2014 - 07:45 AM
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The coldest air in 20 years moves in tonight.

 

This Morning:
Patchy fog, showers
Temperatures: 40s
Wind: SW 5-15 mph
This Afternoon:
Partly cloudy, windy, falling temperatures
Temperatures: 40s falling into the 30s
Wind: WNW 15-25 mph
Tonight:
Dangerously cold
Lows: -5° - 10°
Wind Chill: 5-15 degrees below 0

Don't be fooled by the mild temperatures to start the day. The arctic front will slide through today and temperatures will plummet! Patchy fog and light rain will greet you this morning with temperatures in the low 40s. The cold front will approach by noon, so any lingering precipitation may transition to wet snow. Skies will become partly to mostly sunny for the second half of the day and it will be quite windy, as the cold air slowly filters in. Expect temperatures to fall into the 30s by this evening and eventually tumble into the single digits overnight. With gusty winds, wind chill values will be well below 0 degrees across much of the area.  A wind chill advisory goes into effect at 6pm and lasts through 6pm Tuesday.

 

Tomorrow will be the coldest day in 20 years! Highs will only reach the low to mid teens with wind chill values around 0 degrees, at times. The winds will start to subside late tomorrow and temperatures will begin to moderate. Overnight lows Tuesday into Wednesday will remain in the teens and then climb into the lower 30s by Wednesday with plenty of sunshine. The end of the week brings more seasonable highs, in the low to mid 40s, with a chance of rain by Friday into Saturday.

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