Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Snow

14°F

-10°C

Humidity 67%
Wind Speed N 20 G 33 mph
Barometer 29.78 in (1008.7 mb)
Dewpoint 5°F (-15°C)
Visibility 9.00 mi
Wind Chill-4°F (-20°C)
Last update 1 Feb 7:56 am EST
Extended Forecast for

Hauppauge NY

Cold Weather Advisory February 1, 08:20am until February 1, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory February 1, 08:20am until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • Today

    High: 21 °F

    Mostly Cloudy
    and Blustery

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Wind chill values between zero and 5. Northwest wind 9 to 15 mph.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between zero and 10. Northwest wind 8 to 11 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind around 6 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. West wind 3 to 8 mph.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 21. Wind chill values between -5 and 5. Blustery, with a north wind 17 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, with a low around 12. Wind chill values between zero and 5. Northwest wind 9 to 15 mph.
Monday
Sunny, with a high near 29. Wind chill values between zero and 10. Northwest wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 13. Wind chill values between 5 and 10. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 31. West wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 13.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
4:21 am EST Feb 1, 2026
8am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database