Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Snow Fog/Mist
25°F
-4°C
| Humidity | 88% |
| Wind Speed | W 8 mph |
| Barometer | 29.50 in (999.0 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 1.75 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 7 Feb 4:56 am EST |
Extended Forecast for
2 Miles NNW Stony Brook NY
Wind Advisory February 7, 09:00am until February 8, 12:00am
Extreme Cold Warning February 7, 01:00pm until February 8, 01:00pm
Overnight
Low: 26 °F
Snow
Saturday
High: 25 °F⇓
Windy. Snow
then Chance
SnowSaturday Night
Low: 7 °F
Decreasing
Clouds and
WindySunday
High: 20 °F
Cold and
BlusterySunday Night
Low: 10 °F
Mostly Clear
Monday
High: 27 °F
Sunny
Monday Night
Low: 17 °F
Partly Cloudy
Tuesday
High: 32 °F
Partly Sunny
Tuesday Night
Low: 25 °F
Mostly Cloudy
Detailed Forecast
Overnight
Snow. Steady temperature around 26. Wind chill values between 15 and 20. West wind around 11 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
Saturday
Snow, mainly before 7am. Temperature falling to around 14 by 5pm. Wind chill values between -5 and 5. Windy, with a northwest wind 18 to 23 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between -10 and -15. Windy, with a northwest wind 29 to 34 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 49 mph.
Sunday
Sunny and cold, with a high near 20. Wind chill values between -5 and -15. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 10. Northwest wind 10 to 17 mph.
Monday
Sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 33.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Stony Brook NY
40.92°N 73.15°W (Elev. 36 ft)
40.92°N 73.15°W (Elev. 36 ft)
1:33 am EST Feb 7, 2026
5am EST Feb 7, 2026-6pm EST Feb 13, 2026
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