From the ABC 7 Weather team

D.C. Forecast: A misty & mild Sunday, then showers & colder air through midweek

January 13, 2013 - 11:00 AM
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Dense fog and drizzle through the morning hours will yield to a partly cloudy and very mild afternoon with highs in the low 60s.  Rain and falling temperatures will follow on Monday.

This Afternoon: AM Fog/Drizzle, PM Pt. Cloudy, Mild

Highs: 57-62 | Wind: SE 5-10 mph

Tonight: Cloudy, Chance of Showers

Lows: 45-53 | Rain: 50% Chance

Monday: Rain Likely, Falling Temperatures

Highs: 53-58 | Rain: 70% Chance

It seems especially quiet this morning and not just because it's Sunday.  The sound absorbency of the thick blanket of fog has muffled sound and, more significantly, made for treacherous driving conditions.  With visibilities of less than one quarter of mile, a Dense Fog Advisory is in effect for most of the region until noon.  While a strong onshore flow is increasing moisture levels and thus impeding fog erosion to the east, clearing skies to the west are helping temperatures to climb. Fog Advisories in those counties to the west and northwest have thus been cancelled.  With a warm front moving toward DC from the southeast, some improvement is expected this afternoon with partly cloudy skies and high temperatures in the low 60s. 

The wintry reprieve of this weekend will be short-lived as showers are poised to move into the area overnight and Monday along with falling temperatures.  Highs on Monday are expected to tumble from the mid and upper 50s into the upper 40s.  Rain is likely as well with some wintry precipitation possible to the far north and west on Monday night.  Tuesday could be the coldest day of the week with daytime highs only in the upper 30s to near 40.  Thereafter, seasonable temperatures and partly sunny days should accompany high pressure through week's end.

NOTE: While yesterday's high temperature at Reagan National was only 51, it felt much more comfortable.  The highly moist air, partly sunny skies, and lack of wind made for a day when shorts and a T-shirt didn't seem inappropriate!  Enjoy a similar spring break this afternoon before winter returns this week. 

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