From the ABC 7 Weather team

D.C. Weather Forecast: Coldest air mass, in the last two years, arrives tonight

January 21, 2013 - 08:01 AM
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Temperatures will reach the 40s with increasing cloudiness midday through afternoon and then the arctic cold front changes everything

Today: Clouds increase late PM. Bec. breezy with sprinkles/flurries
Highs: 44°-48°
Wind: Increasing SW winds 10-20 mph late afternoon

Tonight: Windy and cold with flurries possible
Lows: 15°-25°( wind chills in single digits )
Wind: NW 10-20 mph and gusy

Tomorrow: Windy and bitterly cold with plenty of sunshine
Highs: Mid 23°-27° Chills: Single digits

Wind: NW 10-20 mph

Yesterday afternoon temperatures reached the 60s. Tomorrow afternoon temperatures will only reach the middle 20s.Today, temperatures will peak in the middle 40s, just ahead of a potent arctic cold front.Winds will slowly increase this afteroon and a few sprinkles or flurries could develop as the front nears Washington. Later tonight, the arctic air will arrive with flurries and strong, gusting winds. Adam Caskey provides the weather time-line below.

ZZZZZ


Not only will temperatures remian in the 20s all day tomorrow, wind chills will be in the single digits. The bitterly cold air will remain in place through Thursday. Just as temperatures begin to moderate on Friday, another cold front will arrrive with a chance of wintry precipitation.

The last time the high temperature at Reagan National failed to reach 30 degrees for a high was on January 22, 2011 (exactly two years ago) when the high was only 28. The last time the temperature failed to reach 30° for two consecutive days was January 29-30, 2010 when the highs were 27° and 23°.

 

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