Active AlertsMartinsburg, WV

What: Sub-freezing temperatures in the upper 20s and lower 30s.
Where: Portions of north-central, northern, and western Maryland, central, northern, northwest, and western Virginia, and eastern West Virginia.
When: Until 9 AM EDT Sunday.
Impacts: Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.