Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair and Windy
13°F
-11°C
| Humidity | 42% |
| Wind Speed | NW 26 G 37 mph |
| Barometer | 30.07 in (1018.5 mb) |
| Dewpoint | -6°F (-21°C) |
| Visibility | 10.00 mi |
| Wind Chill | -7°F (-22°C) |
| Last update | 8 Feb 12:56 pm EST |
Extended Forecast for
2 Miles NNW Stony Brook NY
Cold Weather Advisory until February 9, 10:00am
NOW until 10:00am Mon

Cold Weather Advisory
This Afternoon

High: 17 °F
Cold
Tonight

Low: 10 °F
Mostly Clear
Monday

High: 28 °F
Sunny
Monday Night

Low: 19 °F
Increasing
CloudsTuesday
High: 36 °F
Partly Sunny
then Chance
Rain/SnowTuesday Night
Low: 32 °F
Chance
Rain/Snow
then Chance
SnowWednesday

High: 37 °F
Mostly Sunny
Wednesday Night

Low: 24 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Sunny and cold, with a high near 17. Wind chill values between -5 and zero. Northwest wind around 18 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 10. Wind chill values between -5 and zero. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 28. Wind chill values between -5 and 5. Northwest wind 8 to 13 mph.
Monday Night
Increasing clouds, with a low around 19. Northwest wind 3 to 6 mph.
Tuesday
A chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 36. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow before 10pm, then a chance of snow between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 32. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Sunny, with a high near 34.
Additional Forecasts and Information
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ABOUT 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)
12:55 pm EST Feb 8, 2026
1pm EST Feb 8, 2026-6pm EST Feb 14, 2026



