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Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

13°F

-11°C

Humidity	40%
Wind Speed	N 9 mph
Barometer	30.65 in (1037.9 mb)
Dewpoint	-7°F (-22°C)
Visibility	10.00 mi
Wind Chill	1°F (-17°C)
Last update	25 Jan 12:56 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

Winter Storm Warning January 25, 03:00am until January 26, 01:00pm

Click here for hazard details and duration

Winter Storm Warning

Overnight
Low: 11 °F
Chance Snow
Sunday
High: 32 °F
Heavy Snow
then
Snow/Sleet
Sunday Night
Low: 29 °F
Wintry Mix
then Wintry
Mix Likely
Monday
High: 28 °F
Chance Wintry
Mix
Monday Night
Low: 13 °F
Partly Cloudy
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

Detailed Forecast

Overnight

A 40 percent chance of snow after 4am. Cloudy, with a low around 11. Light northeast wind.

Sunday

Snow before 4pm, then snow and sleet. The snow could be heavy at times. High near 32. Wind chill values between 5 and 15. Northeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 6 to 10 inches possible.

Sunday Night

Sleet, possibly mixed with freezing rain, mainly before 4am. Steady temperature around 29. Wind chill values between 15 and 20. Northeast wind 9 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of 1 to 2 inches possible.

Monday

A chance of snow, freezing rain, and sleet before 7am, then a chance of snow and freezing rain between 7am and 4pm, then a slight chance of snow after 4pm. Cloudy, with a steady temperature around 28. Wind chill values between 15 and 20. North wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

Monday Night

Partly cloudy, with a low around 13. West wind 13 to 15 mph, with gusts as high as 29 mph.

Tuesday

Mostly sunny, with a high near 22.

Tuesday Night

Mostly clear, with a low around 10.

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.