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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

13°F

-11°C

Humidity	33%
Wind Speed	NW 20 G 30 mph
Barometer	30.60 in (1036.4 mb)
Dewpoint	-11°F (-24°C)
Visibility	10.00 mi
Wind Chill	-5°F (-21°C)
Last update	24 Jan 11:56 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, 06:00pm

Click here for hazard details and duration

Winter Storm Warning

This Afternoon
High: 19 °F
Cold
Tonight
Low: 12 °F
Mostly Cloudy
then Chance
Snow
Sunday
High: 31 °F
Heavy Snow
and Blustery
Sunday Night
Low: 29 °F
Wintry Mix
Monday
High: 31 °F
Wintry Mix
Likely then
Snow Likely
Monday Night
Low: 12 °F
Partly Cloudy
Tuesday
High: 20 °F
Cold
Tuesday Night
Low: 10 °F
Partly Cloudy
Wednesday
High: 23 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly sunny and cold, with a high near 19. Wind chill values between zero and 5. Northwest wind 10 to 13 mph.

Tonight

A 40 percent chance of snow after 4am. Mostly cloudy, with a low around 12. Wind chill values between 5 and 10. North wind 6 to 8 mph.

Sunday

Snow, mainly after 7am. The snow could be heavy at times. High near 31. Wind chill values between 5 and 15. Blustery, with a northeast wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Sunday Night

Snow and sleet before 4am, then snow, possibly mixed with freezing rain and sleet. Steady temperature around 29. Wind chill values between 15 and 20. Northeast wind 14 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.

Monday

Snow likely, possibly mixed with freezing rain and sleet, becoming all snow after 7am. Cloudy, with a high near 31. North wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.

Monday Night

Partly cloudy, with a low around 12.

Tuesday

Mostly sunny and cold, with a high near 20.

Tuesday Night

Partly cloudy, with a low around 10.

Wednesday

Mostly sunny, with a high near 23.

Wednesday Night

Mostly cloudy, with a low around 10.

Thursday

Partly sunny, with a high near 23.