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
28°F
-2°C
| Humidity | 88% |
| Wind Speed | NE 14 G 23 mph |
| Barometer | 29.76 in (1008.0 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 1.25 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 25 Jan 8:56 pm EST |
Extended Forecast for
Islip Terrace NY
Winter Storm Warning January 25, 09:49pm until January 26, 01:00pm
NOW until 1:00pm Mon
Winter Storm Warning
Tonight
Low: 23 °F
Wintry Mix
and Windy
then Wintry
Mix Likely
and BlusteryMonday
High: 31 °F
Chance Wintry
Mix then
Slight Chance
Light SnowMonday Night
Low: 12 °F
Mostly Clear
Tuesday
High: 22 °F
Mostly Sunny
Tuesday Night
Low: 10 °F
Mostly Clear
Wednesday
High: 23 °F
Mostly Sunny
Wednesday Night
Low: 12 °F
Mostly Cloudy
Thursday
High: 23 °F
Partly Sunny
Detailed Forecast
Tonight
Snow and sleet, possibly mixed with freezing rain before 4am, then a chance of snow and freezing rain. Low around 23. Wind chill values between 10 and 15. Windy, with a northeast wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Total nighttime snow and sleet accumulation of 1 to 2 inches possible.
Monday
A chance of snow and freezing rain before 10am, then a slight chance of snow between 10am and 1pm. Mostly cloudy, with a high near 31. Wind chill values between 15 and 25. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 12. Wind chill values between zero and 10. Northwest wind 13 to 17 mph.
Tuesday
Mostly sunny, with a high near 22. Wind chill values between zero and 10. West wind 9 to 13 mph.
Tuesday Night
Mostly clear, with a low around 10. West wind 9 to 14 mph.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly clear, with a low around 8.
Friday
Mostly sunny and cold, with a high near 20.
Friday Night
Mostly clear, with a low around 9.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Mostly sunny, with a high near 28.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip Terrace NY
40.75°N 73.18°W (Elev. 30 ft)
40.75°N 73.18°W (Elev. 30 ft)
8:33 pm EST Jan 25, 2026
9pm EST Jan 25, 2026-6pm EST Feb 1, 2026
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