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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.

Mostly Cloudy

15°F

-9°C

Humidity	30%
Wind Speed	NW 16 G 28 mph
Barometer	30.59 in (1036.0 mb)
Dewpoint	-11°F (-24°C)
Visibility	10.00 mi
Wind Chill	-1°F (-18°C)
Last update	24 Jan 1:56 pm EST

More Information:

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

Extended Forecast for

Islip NY

Winter Storm Warning January 25, 03:00am until January 26, 06:00pm

Click here for hazard details and duration

Winter Storm Warning

This Afternoon
High: 17 °F
Cold
Tonight
Low: 12 °F
Mostly Cloudy
then Chance
Snow
Sunday
High: 33 °F
Heavy Snow
then
Snow/Sleet
Sunday Night
Low: 29 °F
Wintry Mix
Monday
High: 31 °F
Snow Likely
Monday Night
Low: 12 °F
Partly Cloudy
Tuesday
High: 21 °F
Mostly Sunny
Tuesday Night
Low: 9 °F
Partly Cloudy
Wednesday
High: 23 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly sunny and cold, with a high near 17. Wind chill values between 5 and 10. North wind 8 to 10 mph.

Tonight

A 40 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 12. Wind chill values between 5 and 10. North wind around 6 mph.

Sunday

Snow before 1pm, then snow and sleet. The snow and sleet could be heavy at times. High near 33. Wind chill values between 5 and 15. Northeast wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.

Sunday Night

Freezing rain and sleet before 1am, then freezing rain and sleet likely, possibly mixed with snow between 1am and 4am, then snow likely after 4am. The sleet could be heavy at times. Steady temperature around 29. Wind chill values between 15 and 20. Northeast wind 10 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.

Monday

Snow likely, mainly before 7am. Cloudy, with a high near 31. North wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 12.

Tuesday

Mostly sunny, with a high near 21.

Tuesday Night

Partly cloudy, with a low around 9.

Wednesday

Mostly sunny, with a high near 23.

Wednesday Night

Mostly cloudy, with a low around 12.

Thursday

Partly sunny, with a high near 22.