Baltimore may experience a wintry mix in the pre-dawn hours Friday, when a small band of precipitation moves over the city, according to National Weather Service forecasters.
A cold front moving in from the Midwest may cause rain to change into snow after 3 a.m., making roads slippery for the morning commute. No accumulation is expected.
The overnight hours are expected to be mostly cloudy, with showers beginning after midnight. The chance of precipitation is 60 percent. The low temperature is expected to be around 37, with south winds between 9 and 18 miles per hour. Winds could gust as high as 31 mph.
A winter weather advisory is in effect for extreme western Allegany County and all of Garrett County until 6 p.m. Friday. Strong winds and snow could create blizzard conditions and snow squalls. Accumulations of 3-5 inches of snow are possible for those areas, with wind gusts up to 50 mph in higher elevations.
A small craft advisory is in effect Thursday night for the tidal Potomac River and the Maryland Chesapeake Bay.
In Baltimore, Friday is expected to be partly sunny and windy, with a high near 40 and west winds between 16 and 21 miles per hour, gusting up to 32 miles per hour.
Baltimore has declared Code Blue cold weather alert for Friday, meaning emergency shelters will keep extended hours and workers will reach out to vulnerable residents.
Friday night is expected to be mostly cloudy and breezy, with a low around 25 and west winds between 11 and 15 miles per hour, gusting up to 26 miles per hour.