Unseasonably cold temperatures will combine with strong winds today and tonight to produce wind chill values as low as 10 below tonight. Isolated snow showers are expected.
Daytime high temperatures will not climb above the 20s today and will dip into the teens tonight, accompanied by strong northwest winds at 20 to 30 mph with gusts up to 50 mph today and up to 60 mph tonight, according to the National Weather Service.
A very cold air mass will remain in the area through Saturday morning, the weather service said in a statement.
A wind advisory is in effect today from 9 a.m. this morning to 6 p.m., when a high wind warning goes into effect. The high wind warning will remain in effect from 6 p.m. this evening to 6 a.m. tomorrow.
According to the weather service:
A high wind warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage.
A wind advisory is issued when sustained winds of 31 to 39 mph or gusts of 46 to 57 mph are expected or occurring. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
A gale warning is now in effect on all local waters and remains in effect until 6 p.m. when a storm warning takes effect. The storm warning will remain in effect until 6 a.m. tomorrow.
Winds west to northwest 25 to 35 kt. with gusts up to 40 kt. today and up to 50 kt. tonight. Seas on the L.I. Sound will be 4 to 7 feet.
Cross Sound Ferry Services has canceled all Sea Jet Service today, Dec. 15.