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Washington DC weather for March 24: Winter Weather Advisory in effect Tuesday

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Brian's exclusive forecast for Washington DC:

*The National Weather Service has issued a Winter Weather Advisory in effect from 6 a.m. to 3 p.m. on Tuesday*

Tonight: Variable cloudiness with a low in the upper 20s to lower 30s.

Tuesday: Snow. Windy and cold with a high in the mid 30s. Snow may accumulate 1 to 2 inches on unpaved surfaces.

Tuesday Night: Snow showers ending. Windy and cold with a low in the mid 20s.

Wednesday: Sunny, windy, and cold with a high in the upper 30s.

The extended forecast calls for a mostly sunny sky on Thursday with a low in the lower 30s and a high in the lower 50s. Clouds and sun on Friday with a low in the mid 30s and a high in the mid 50s. Clouds and sun on Saturday with a slight chance of showers. The low will be in the lower 40s and the highs will be in the lower 60s. Mostly sunny on Sunday with a low in the lower 40s and a high in the upper 50s.

Weather Summary

Fresh arctic air is settling over the Mid-Atlantic and New England states today with unseasonably cold temperatures. Lows this morning dropped into the lower 20s around Baltimore and Washington, and afternoon highs only reached the mid to upper 30s. These temperatures are more than 20 degrees colder than average for this time of year, and the cold is quite impressive considering the full March sunshine. Meanwhile, an area of low pressure will form along the arctic front that recently moved through the region. This low will intensify rapidly and move up the Mid-Atlantic coast, but is expected to move offshore to the south and east of Cape Hatteras, North Carolina. As the storm develops and intensifies, precipitation around the low will fall in the form of snow in Baltimore and Washington on Tuesday. At the moment, the storm looks to be forming far enough off the coast to keep the heaviest precipitation to our east. Consequently coastal areas of Maryland and Delaware may pick up more snow than areas west of the Chesapeake Bay. In Baltimore and Washington, wet snow is likely during the day on Tuesday with a small accumulation possible on grassy surfaces. Snow showers may linger into Tuesday evening with another coating of snow possible. It will be very windy and cold on Tuesday with highs only in the mid to upper 30s with gusty winds wrapping around the intensifying area of low pressure. As we move through the week, temperatures will begin to moderate into the 40s and 50s as March comes to an end.

Regional Weather Information

Baltimore average lows and highs

Washington average lows and highs

National Weather Service daily weather discussion

Baltimore/Washington National Weather Service

Chesapeake Bay marine forecast

Mid-Atlantic radar loop

For more weather updates, please visit my web site, my Chesapeake Bay Weather page on Facebook, and if you're heading to Ocean City feel free to check out my Ocean City MD Weather page on Facebook. You can also follow me on Twitter @chesbayweather.