Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.8778° N Lon: 73.1715° W Elev: 98 ft.

Fair

16°F

-9°C

Humidity 49%
Wind Speed W 9 mph
Barometer 30.21 in (1023.1 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 12 Feb 2:56 am EST
Detailed forecast for

Northwest Suffolk

Tonight
Mostly clear and windy. Lows around 13. Northwest winds 15 to 25 mph. Gusts up to 35 mph late this evening. Wind chill values as low as zero.
Friday
Sunny in the morning...then becoming partly sunny. Cold with highs in the mid 20s. West winds around 10 mph. Gusts up to 20 mph in the morning.
Friday Night
Cloudy with a 20 percent chance of snow showers. Lows around 16. West winds 10 to 15 mph. Gusts up to 25 mph after midnight.
Saturday
Partly sunny. A chance of snow showers...mainly in the morning. Windy and cold with highs around 17. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of snow 30 percent. Wind chill values as low as 6 below.
Saturday Night
Partly cloudy with a slight chance of snow showers in the evening...then mostly clear after midnight. Windy and colder with lows around 1 above. Northwest winds 20 to 25 mph with gusts up to 35 mph. Chance of snow 20 percent. Wind chill values as low as 21 below.
Sunday
Sunny and brisk. Cold with highs around 15. Wind chill values as low as 20 below.
Sunday Night
Mostly clear in the evening...then becoming partly cloudy. Cold with lows around 10 above. Wind chill values as low as 5 below.
Washingtons Birthday
Partly sunny in the morning...then becoming mostly cloudy. Not as cool with highs in the mid 30s.
Monday Night
Cloudy. A chance of snow in the evening...then rain likely after midnight. Not as cool with lows in the upper 20s. Temperature rising into the upper 30s after midnight. Chance of precipitation 70 percent.
Tuesday
Rain likely. Not as cool with highs around 50. Chance of rain 70 percent.
Tuesday Night
Mostly cloudy. Rain likely...mainly in the evening. Lows in the lower 30s. Chance of rain 60 percent.
Wednesday
Partly sunny. A chance of rain and snow in the morning...then a chance of rain in the afternoon. Highs in the lower 40s. Chance of precipitation 40 percent.
Wednesday Night
Mostly cloudy in the evening...then becoming partly cloudy. Lows in the mid 20s.
Thursday
Mostly sunny. Highs in the upper 30s.



Click Map For Forecast
930 PM EST THU FEB 11 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database