UPDATE DEC. 26: Winter Storm Warning to take effect 2 a.m. Dec. 26

The National Weather Service has declared a Winter Storm Warning for Southern Maryland to take effect at 2 a.m. Sunday, Dec. 26 which will stay in effect until 2 a.m. Monday, Dec. 27. 

Southern Maryland  can expect between 6 and 10 inches of snowfall. The heaviest snowfall will occur during daylight hours on Sunday. A Winter Storm Warning means significant amounts of snow are expected or are occurring. Strong winds are also possible and citizens are urged to stay off roadways when possible because travel may be hazardous and visibility may be limited. Citizens are advised to monitor forecasts.

Temperatures are expected to be in the low to upper 20s late tonight. High temperatures are expected to be in the lower 30s Sunday and Monday. Low temperatures are expected to be in the lower to mid 20s Sunday night. Winds are expected to be 10-15 mph late tonight and Sunday morning, increasing to 15-25 mph late Sunday afternoon.

The National Weather Service has declared a Winter Storm Watch for St. Mary’s County. The declaration is in effect from late tonight through late Sunday night. The declaration may be upgraded to a Winter Storm Warning later tonight or tomorrow. A winter storm watch means there is a potential for significant snow accumulations that may impact travel. Citizens are advised to monitor forecasts.

Snow accumulations of five or more inches may occur as a result of this storm. The storm is moving in late tonight from south to north. The peak period of snowfall would be during the day Sunday through Sunday evening. Temperatures are expected to be in the low to upper 20s late tonight. High temperatures are expected to be in the lower 30s Sunday and Monday. Low temperatures are expected to be in the lower to mid 20s Sunday night. Winds are expected to be 10-15 mph late tonight and Sunday morning, increasing to 15-25 mph late Sunday afternoon.

Emergency Advisories will be posted to the St. Mary’s County Government website at www.stmarysmd.com and, should the storm warning be upgraded, added to the county’s emergency phone line at (301) 475-4911. The National Weather Service posts weather designations at www.weather.gov.