Dangerous Heat and Humidity Over The East

A very hot and humid airmass will persist over much of the east over the next couple of days. Afternoon high temperatures are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. The dangerous heat wave will impact major I-95 cities from North Carolina to New York. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

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

Mostly Cloudy

78°F

26°C

Humidity 69%
Wind Speed S 13 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 Jul 8:56 am EDT
Detailed forecast for

Northwest Suffolk

Today
Mostly cloudy. Scattered showers with a slight chance of thunderstorms this morning...then a slight chance of showers with a chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall...then some thunderstorms may produce gusty winds and heavy rainfall this afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Heat index values in the upper 90s.
Tonight
Mostly cloudy. A chance of showers and thunderstorms... Mainly in the evening. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph...becoming west around 5 mph after midnight. Chance of rain 50 percent.
Tuesday
Sunny...hot with highs in the mid 90s. Northwest winds 5 to 10 mph. Heat index values in the mid 90s.
Tuesday Night
Mostly clear. Lows in the upper 60s. West winds 5 to 10 mph...becoming north after midnight.
Wednesday
Sunny. Highs in the upper 80s. North winds around 5 mph...becoming southwest in the afternoon.
Wednesday Night
Partly cloudy. Lows in the lower 70s.
Thursday
Partly sunny. Highs in the upper 80s.
Thursday Night
Mostly cloudy. Lows in the lower 70s.
Friday
Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. Heat index values in the mid 90s.
Friday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 30 percent.
Saturday
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
Saturday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 30 percent.
Sunday
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.



Click Map For Forecast
748 AM EDT MON JUL 25 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database