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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

34°F

1°C

Humidity	27%
Wind Speed	W 16 G 25 mph
Barometer	30.10 in (1019.5 mb)
Dewpoint	3°F (-16°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	23 Jan 5:56 pm 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

Cold Weather Advisory January 23, 10:00pm until January 24, 12:00pm

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

Click here for hazard details and duration

Cold Weather Advisory

Winter Storm Warning

Tonight
Low: 10 °F
Partly Cloudy
and Blustery
Saturday
High: 18 °F
Cold
Saturday Night
Low: 12 °F
Mostly Cloudy
then Chance
Snow
Sunday
High: 30 °F
Heavy Snow
Sunday Night
Low: 28 °F
Wintry Mix
Monday
High: 30 °F⇓
Snow/Sleet
Likely then
Snow Likely
Monday Night
Low: 11 °F
Partly Cloudy
Tuesday
High: 22 °F
Mostly Sunny
Tuesday Night
Low: 10 °F
Partly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 10. Wind chill values between -5 and 5. Blustery, with a northwest wind 15 to 20 mph.

Saturday

Mostly sunny and cold, with a high near 18. Wind chill values between -10 and zero. Northwest wind 11 to 17 mph.

Saturday Night

A 30 percent chance of snow, mainly after 4am. Cloudy, with a low around 12. Wind chill values between 5 and 10. North wind 3 to 5 mph.

Sunday

Snow, mainly after 7am. The snow could be heavy at times. High near 30. Wind chill values between 5 and 15. Northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Sunday Night

Snow and sleet, possibly mixed with freezing rain before 1am, then sleet, possibly mixed with freezing rain between 1am and 4am, then snow and sleet likely after 4am. The snow could be heavy at times. Steady temperature around 28. Northeast wind 13 to 18 mph, with gusts as high as 33 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 and sleet likely, becoming all snow after 7am. Cloudy, with a temperature falling to around 26 by 5pm. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 11.

Tuesday

Mostly sunny, with a high near 22.

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.