National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

34°F

1°C

Humidity 27%
Wind Speed W 16 G 25 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 23 Jan 5:56 pm EST
Extended Forecast for

Kings Park NY

Cold Weather Advisory January 23, 10:00pm until January 24, 12:00pm
Winter Storm Warning January 25, 03:00am until January 26, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Wind chill values between -5 and 5. Windy, with a northwest wind 20 to 28 mph.

    Low: 10 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 19. Wind chill values between -10 and zero. Northwest wind 14 to 18 mph.

    High: 19 °F

    Cold

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Cloudy, with a low around 14. Wind chill values between 5 and 10. North wind 7 to 9 mph.

    Low: 14 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 29. Wind chill values between 5 and 10. Blustery, with a northeast wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 29 °F

    Heavy Snow
    and Blustery

  • Sunday Night

    Sunday Night: Snow before 10pm, then snow and sleet. The snow could be heavy at times. Temperature rising to around 29 by 1am. Windy, with a northeast wind 20 to 26 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 26 °F⇑

    Snow/Sleet
    and Windy

  • Monday

    Monday: Snow and sleet likely, becoming all snow after 7am. Cloudy, with a high near 29. Blustery. Chance of precipitation is 60%. New snow and sleet accumulation of less than one inch possible.

    High: 29 °F

    Snow/Sleet
    Likely then
    Snow Likely
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Partly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21. Breezy.

    High: 21 °F

    Sunny and
    Breezy then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Wind chill values between -5 and 5. Windy, with a northwest wind 20 to 28 mph.
Saturday
Mostly sunny and cold, with a high near 19. Wind chill values between -10 and zero. Northwest wind 14 to 18 mph.
Saturday Night
A 20 percent chance of snow after 1am. Cloudy, with a low around 14. Wind chill values between 5 and 10. North wind 7 to 9 mph.
Sunday
Snow. The snow could be heavy at times. High near 29. Wind chill values between 5 and 10. Blustery, with a northeast wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Sunday Night
Snow before 10pm, then snow and sleet. The snow could be heavy at times. Temperature rising to around 29 by 1am. Windy, with a northeast wind 20 to 26 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
Snow and sleet likely, becoming all snow after 7am. Cloudy, with a high near 29. Blustery. Chance of precipitation is 60%. New snow and sleet accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 14. Blustery.
Tuesday
Mostly sunny, with a high near 21. Breezy.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kings Park NY
 40.91°N 73.24°W (Elev. 0 ft)
Last Update:
12:58 pm EST Jan 23, 2026
Forecast Valid:
6pm EST Jan 23, 2026-6pm EST Jan 30, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation