Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Snow Blowing Snow and Windy
12°F
-11°C
| Humidity | 58% |
| Wind Speed | NW 29 G 49 mph |
| Barometer | 29.70 in (1005.9 mb) |
| Dewpoint | 0°F (-18°C) |
| Visibility | 2.00 mi |
| Wind Chill | -9°F (-23°C) |
| Last update | 7 Feb 3:56 pm EST |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Wind Advisory February 7, 04:43pm until February 8, 12:00am
Extreme Cold Warning February 7, 04:43pm until February 8, 01:00pm
NOW: Multiple hazards in effect

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This Afternoon

High: 12 °F
Chance Snow
and WindyTonight
Low: 4 °F
Chance Snow
and Windy
then Partly
Cloudy and
BlusterySunday

High: 19 °F
Cold and
BlusterySunday Night

Low: 7 °F
Mostly Clear
Monday

High: 28 °F
Sunny
Monday Night

Low: 16 °F
Mostly Cloudy
Tuesday

High: 36 °F
Mostly Cloudy
Tuesday Night

Low: 27 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
A 30 percent chance of snow. Cloudy and cold, with a steady temperature around 12. Wind chill values between -5 and -10. Windy, with a northwest wind around 26 mph, with gusts as high as 49 mph.
Tonight
A 30 percent chance of snow before 7pm. 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 21 to 28 mph, with gusts as high as 50 mph.
Sunday
Sunny and cold, with a high near 19. Wind chill values between -5 and -15. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 7. Wind chill values between -5 and zero. Northwest wind 11 to 15 mph.
Monday
Sunny, with a high near 28. Northwest wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly clear, with a low around 23.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 35.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
40.81°N 73.11°W (Elev. 98 ft)
40.81°N 73.11°W (Elev. 98 ft)
4:23 pm EST Feb 7, 2026
4pm EST Feb 7, 2026-6pm EST Feb 14, 2026



