Notice of NWS' New Version of Forecast
A new version of Forecast will launch March 7, 2017.
Click here to visit the new site for details.

Widespread Precipitation for the Western U.S. While Rain Returns to the Gulf Coast Region

Rain and mountain snow showers will continue across the Western U.S. for the next couple days. Meanwhile, moisture will increase over Texas and the Deep South where locally heavy rainfall and minor flooding will be possible through midweek. Also, high fire danger will continue in the southern High Plains on Monday. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79° N Lon: 73.1° W Elev: 98 ft.

Fair

31°F

-1°C

Humidity 67%
Wind Speed S 6 mph
Barometer 30.32 in (1026.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 27 Feb 3:56 am EST
Detailed forecast for

Southwest Suffolk

Tonight
Clear. Lows in the lower 30s. West winds 5 to 10 mph. Gusts up to 20 mph late this evening.
Monday
Sunny in the morning...then becoming mostly cloudy. Highs around 50. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night
Mostly cloudy. Lows around 40. South winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Tuesday
Cloudy with a 50 percent chance of light rain. Highs in the mid 50s. South winds 10 to 15 mph.
Tuesday Night
Light rain likely. Areas of fog. Lows in the mid 40s. Southwest winds 10 to 15 mph. Chance of rain 60 percent.
Wednesday
Areas of fog in the morning. Light rain likely. A chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 60 percent.
Wednesday Night
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the mid 40s. Chance of rain 60 percent.
Thursday
Mostly sunny. Highs in the upper 40s.
Thursday Night
Partly cloudy. Cooler with lows around 30.
Friday
Partly sunny. A chance of light snow in the morning. Highs around 40. Chance of snow 30 percent.
Friday Night
Partly cloudy in the evening...then clearing. Lows in the lower 20s.
Saturday
Mostly sunny. Highs in the upper 30s.
Saturday Night
Partly cloudy in the evening...then becoming mostly cloudy. Lows around 30.
Sunday
Partly sunny. Highs around 50.



Click Map For Forecast
924 PM EST Sun Feb 26 2017
 
 

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database