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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 and Breezy

12°F

-11°C

Humidity	38%
Wind Speed	N 21 G 28 mph
Barometer	30.46 in (1031.6 mb)
Dewpoint	-9°F (-23°C)
Visibility	10.00 mi
Wind Chill	-7°F (-22°C)
Last update	24 Jan 2:56 am EST

More Information:

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

Extended Forecast for

2 Miles NNW Stony Brook NY

Cold Weather Advisory January 24, 03:23am 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

Cold Weather Advisory January 24, 03:23am until January 24, 12:00pm
NOW until 12:00pm Sat
Cold Weather Advisory
Overnight
Low: 10 °F
Partly Cloudy
Saturday
High: 19 °F
Cold
Saturday Night
Low: 13 °F
Mostly Cloudy
then Chance
Snow
Sunday
High: 30 °F
Heavy Snow
Sunday Night
Low: 28 °F
Snow/Sleet
and Blustery
Monday
High: 30 °F
Snow Likely
Monday Night
Low: 13 °F
Partly Cloudy
Tuesday
High: 21 °F
Mostly Sunny

Detailed Forecast

Overnight

Partly cloudy, with a low around 10. Wind chill values between -5 and zero. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.

Saturday

Mostly sunny and cold, with a high near 19. Wind chill values between -5 and 5. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.

Saturday Night

A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 13. 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 30. Wind chill values between 5 and 10. Northeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Sunday Night

Snow and sleet, becoming all snow after 4am. Steady temperature around 28. Blustery, with a northeast wind 14 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

Monday

Snow likely, mainly before 1pm. Cloudy, with a high near 30. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Monday Night

Partly cloudy, with a low around 13.

Tuesday

Mostly sunny, with a high near 21.

Tuesday Night

Partly cloudy, with a low around 12.

Wednesday

Mostly sunny, with a high near 24.

Wednesday Night

Mostly cloudy, with a low around 12.