From the National Weather Service:
Counties with the extended advisory: Shenandoah-Frederick VA-Page-Warren-Clarke-Rappahannock-
Northern Fauquier-Western Loudoun-Berkeley-Jefferson
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 PM EST THIS
* WHAT...Freezing rain. Up to a tenth of an inch of freezing
rain is expected. Around two tenths of an inch of freezing
rain is expected over the crest of the Blue Ridge Mountains.
* WHERE...Portions of central Maryland, northern and northwest
Virginia and the eastern panhandle of West Virginia.
* WHEN...Until 1 PM EST this afternoon.
* ADDITIONAL DETAILS...Plan on slippery road conditions. The
hazardous conditions will impact the morning commute.
A Winter Weather Advisory means that periods of freezing rain
will cause travel difficulties. Expect slippery roads. Slow down
and use caution while driving.
The latest road conditions for the state you are calling from can
be obtained by calling 511.