From the National Weather Service: Areas in the watch include: District of Columbia-Washington-Frederick MD-Carroll-Northern Baltimore-Southern Baltimore-Prince Georges-Anne Arundel-Extreme Western Allegany-Central and Eastern Allegany-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard-Northwest Harford-Southeast Harford-Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson-Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper-Prince William/Manassas/Manassas Park-Fairfax-Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-Northern Fauquier-Southern Fauquier-Western Highland-Eastern Highland-Western Loudoun-Eastern Loudoun-Northern Virginia Blue Ridge-Central Virginia Blue Ridge-Hampshire-Morgan-Berkeley-Jefferson-Hardy-Western Grant-Eastern Grant-Western Mineral-Eastern Mineral-Western Pendleton-Eastern Pendleton-
338 AM EST Mon Feb 18 2019
...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
* WHAT...Heavy snow, mixing with and eventually changing to sleet and then freezing rain. Snow accumulations of 5 or more inches and ice accumulations of a quarter-inch or greater are possible.
* WHERE...The District of Columbia, Maryland east of the Appalachians and west of the Chesapeake Bay, central and northern Virginia, and the eastern West Virginia panhandle.
* WHEN...From Tuesday evening through Wednesday evening.
* ADDITIONAL DETAILS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts.