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Heavy Lake Effect Snow likely for the Great Lakes; Heavy Mountain Snow with Areas of Lower Elevation Snow and Freezing Rain in the West, Breezy and Cold in the Northern Plains

Lake Effect Snow Warnings are in effect for the Great Lakes with 2 to 3 feet storm total snow possible. Arctic Air extends across much of the U.S. with breezy winds and temperatures 15-35 degrees below normal in the Northern Plains. Out west, heavy mountain snow and some low elevation snow and freezing rain forecast as a warmer weather system interacts with the Arctic airmass. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79° N Lon: 73.1° W Elev: 98 ft.

Overcast

43°F

6°C

Humidity 89%
Wind Speed N 7 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Dec 9:56 am EST
Detailed forecast for

Southwest Suffolk

This Afternoon
Cloudy. Highs in the upper 40s. Northeast winds 5 to 10 mph...becoming northwest.
Tonight
Mostly cloudy. Lows in the mid 30s. Northwest winds around 5 mph.
Thursday
Mostly cloudy. Highs in the mid 40s. West winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Thursday Night
Partly cloudy. A slight chance of snow showers after midnight. Lows around 30. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 20 percent.
Friday
Partly sunny. A slight chance of snow showers in the morning...then a slight chance of rain showers in the afternoon. Highs in the lower 40s. West winds 15 to 20 mph. Chance of precipitation 20 percent.
Friday Night
Partly cloudy. Lows in the mid 20s.
Saturday
Mostly sunny. Highs in the upper 30s.
Saturday Night
Partly cloudy. Lows in the mid 20s.
Sunday
Mostly sunny in the morning...then becoming mostly cloudy. Highs in the lower 40s.
Sunday Night
Cloudy with a 50 percent chance of rain. Lows in the mid 30s.
Monday
Mostly cloudy with a 50 percent chance of rain. Highs in the upper 40s.
Monday Night
Mostly cloudy. A chance of rain in the evening. Lows in the lower 30s. Chance of rain 30 percent.
Tuesday
Mostly sunny. Highs in the lower 40s.



Click Map For Forecast
939 AM EST WED DEC 7 2016
 
 

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database