Cold Front Bringing Multiple Hazards to the Eastern U.S.; Rain and High-elevation Snow Continue in the Northwest

A front extending from the Great Lakes to the western Gulf Coast will slowly move off the Eastern Seaboard by Monday morning. Isolated severe thunderstorms and heavy rain will develop over parts of the Mid-Atlantic to the Southeast and Central Gulf Coast. Heavy rain, high elevation snow, and gusty winds will impact the Northeast. Heavy rain and high elevation will continue in the Northwest. Read More >

Hazardous Weather Conditions

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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

51°F

11°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	30.02 in (1016.6 mb)
Dewpoint	51°F (11°C)
Visibility	7.00 mi
Wind Chill	49°F (9°C)
Last update	10 Dec 5:56 am EST

More Information:

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

Extended Forecast for

Islip Terrace NY

Flood Watch December 10, 04:00pm until December 11, 01:00pm

High Wind Warning December 10, 04:00pm until December 11, 11:00am

Click here for hazard details and duration

Flood Watch

High Wind Warning

Today

Rain Likely
then Heavy
Rain and
Windy
High: 60 °F
Tonight

Heavy Rain
and Windy
Low: 40 °F
Monday

Windy. Chance
Rain then
Mostly Sunny
High: 46 °F
Monday
Night

Mostly Clear
Low: 29 °F
Tuesday

Sunny
High: 44 °F
Tuesday
Night

Mostly Clear
Low: 34 °F
Wednesday

Mostly Sunny
High: 44 °F
Wednesday
Night

Mostly Clear
Low: 27 °F
Thursday

Sunny
High: 40 °F

Detailed Forecast

Today

Rain likely, then rain and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rain. High near 60. Windy, with a south wind 10 to 15 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Tonight

Rain and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 40. Windy, with a south wind 28 to 33 mph becoming northwest 20 to 25 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Monday

A 50 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 46. Windy, with a west wind 20 to 26 mph, with gusts as high as 39 mph.

Monday Night

Mostly clear, with a low around 29. Wind chill values between 20 and 25. West wind 10 to 17 mph, with gusts as high as 29 mph.

Tuesday

Sunny, with a high near 44. Southwest wind 9 to 11 mph.

Tuesday Night

Mostly clear, with a low around 34.

Wednesday

Mostly sunny, with a high near 44.

Wednesday Night

Mostly clear, with a low around 27.

Thursday

Sunny, with a high near 40.