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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	31%
Wind Speed	W 12 mph
Barometer	30.08 in (1018.7 mb)
Dewpoint	6°F (-14°C)
Visibility	10.00 mi
Wind Chill	25°F (-4°C)
Last update	23 Jan 4:56 pm EST

More Information:

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

Extended Forecast for

Blue Point 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: 19 °F
Cold
Saturday Night
Low: 13 °F
Mostly Cloudy
then Chance
Snow
Sunday
High: 31 °F
Heavy Snow
and Breezy
Sunday Night
Low: 29 °F
Wintry Mix
and Breezy
Monday
High: 30 °F⇓
Snow/Sleet
Likely then
Snow Likely
Monday Night
Low: 13 °F
Partly Cloudy
and Blustery
then Mostly
Clear
Tuesday
High: 22 °F
Mostly Sunny
Tuesday Night
Low: 12 °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 22 mph.

Saturday

Mostly sunny and cold, with a high near 19. Wind chill values between -10 and zero. Northwest wind 14 to 17 mph.

Saturday Night

A 30 percent chance of snow, mainly after 4am. Cloudy, with a low around 13. Wind chill values between 5 and 10. North wind around 6 mph.

Sunday

Snow, mainly after 7am. The snow could be heavy at times. High near 31. Wind chill values between 5 and 15. Breezy, with a northeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 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 freezing rain and sleet between 1am and 4am, then snow and sleet likely after 4am. The snow could be heavy at times. Steady temperature around 29. Breezy, with a northeast wind 16 to 22 mph, with gusts as high as 34 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 rising to near 30 by 9am, then falling to around 26 during the remainder of the day. 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 13. Blustery.

Tuesday

Mostly sunny, with a high near 22.

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 11.

Thursday

Partly sunny, with a high near 23.