Wind chill advisory in effect this morning, some snow likely on Saturday

The National Weather Service issued a wind-chill advisory throughout the Baltimore area until noon today. Low temperatures are expected to remain in the single digits until that time, with wind chills between 5 and 10 degrees below zero.

Conditions will be mostly sunny throughout the day with a high temperature of around 18. Winds will be from the west at 10 to 15 mph with gusts of up to 25 mph.

A wind chill advisory means that very cold air and strong winds will combine to generate conditions that will result in frostbite and lead to hypothermia is precautions are not taken. Anyone who must venture outdoors should wear a hat and gloves, said NWS, which added that a wind chill advisory may be necessary for portions of the area again tonight.

Tonight will be mostly cloudy with a low around 17 degrees. Winds will come from the south-southwest at between 7 and 14 mph with gusts of up to 20 mph.

NWS also expects about an inch of snow between the hours of 6 a.m. and 3 p.m. Saturday. Chances of precipitation are 70 percent. Temperatures will approach freezing during the day. Winds will be out of the south-southwest at about 16 mph with gusts of up to 23 mph.

Conditions will be mostly cloudy to clear overnight Saturday with temperatures in the 20s.

NWS calls for clear and cold conditions on Sunday with highs in the upper 20s and a 20 percent chance of very small amounts of snow starting at about 6 p.m. Overnight low will be about 15 degrees.

The weather service also issued a hazardous weather outlook and a small craft advisory for today and tonight for the Maryland portion of the Chesapeake Bay as well as for the tidal Potomac River, adjacent counties in central Maryland and northern Virginia and the District of Columbia.

The service has issued a gale warning for the main channel and eastern inlets of the Maryland portion of the Chesapeake Bay Saturday and a small craft advisory for Baltimore harbor and the tidal Patuxent and Potomac rivers Saturday.

Small craft advisories may need to be extended through Sunday night for the waters, NWS said.

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