The National Weather Service has issued a Winter Weather Advisory for Thursday morning.
Forecasters are only calling for 1-2 inches of snow, but even that could cause havoc because it is expected to be at its heaviest during the morning commute.
From NWS:
… WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EST THURSDAY…
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW… WHICH IS IN EFFECT FROM MIDNIGHT TO NOON EST THURSDAY.
* LOCATIONS… WASHINGTON DC AND ITS MARYLAND AND VIRGINIA SUBURBS.
* HAZARD TYPES… SNOW.
* SNOW ACCUMULATIONS… 1 TO 2 INCHES.
* TIMING… OVERNIGHT THROUGH LATE MORNING. SNOW IS EXPECTED TO BE HEAVIEST DURING THE MORNING COMMUTE.
* IMPACTS… ROADS MAY BE SNOW COVERED AND SLIPPERY.
* WINDS… NORTHEAST 5 TO 10 MPH.
* TEMPERATURES… IN THE LOWER TO MID 20S.PRECAUTIONARY/PREPAREDNESS ACTIONS…
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES… AND USE CAUTION WHILE DRIVING.