Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
23°F
-5°C
| Humidity | 63% |
| Wind Speed | N 8 mph |
| Barometer | 29.77 in (1008.2 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 6 Feb 7:56 am EST |
Extended Forecast for
Lake Grove NY
Wind Advisory February 7, 09:00am until February 8, 12:00am
Extreme Cold Warning February 7, 01:00pm until February 8, 01:00pm
Today

High: 31 °F
Mostly Cloudy
Tonight
Low: 21 °F
Chance Snow
then SnowSaturday

High: 24 °F⇓
Snow and
WindySaturday Night

Low: 4 °F
Gradual
Clearing and
WindySunday

High: 18 °F
Cold
Sunday Night

Low: 6 °F
Mostly Clear
Monday

High: 24 °F
Mostly Sunny
Monday Night

Low: 13 °F
Partly Cloudy
Tuesday

High: 30 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 31. Wind chill values between 15 and 25. North wind 5 to 8 mph becoming south in the afternoon.
Tonight
Snow, mainly after 10pm. Low around 21. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Snow, mainly before 1pm. Temperature falling to around 13 by 5pm. Wind chill values between -5 and 5. Windy, with a northwest wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday Night
Cloudy during the early evening, then gradual clearing, with a low around 4. Wind chill values between -10 and -15. Windy, with a northwest wind 18 to 26 mph, with gusts as high as 46 mph.
Sunday
Sunny and cold, with a high near 18. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 6.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 33.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lake Grove NY
40.85°N 73.1°W (Elev. 144 ft)
40.85°N 73.1°W (Elev. 144 ft)
7:06 am EST Feb 6, 2026
8am EST Feb 6, 2026-6pm EST Feb 12, 2026



