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A stormy Friday expected for parts of the central and southern U.S.

Heavy rain, flash flooding and thunderstorms are expected on Friday, from the Southern Plains to the Tennessee Valley. Some of the storms may become severe in the afternoon and evening, especially in the ArkLaTex region and parts of the Lower Mississippi Valley. Primary hazards will be isolated damaging winds gusts and hail. The Central High Plains and the Carolinas could also see strong storms.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

77°F

25°C

Humidity 42%
Wind Speed NW 9 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Jul 12:56 pm EDT

Detailed Forecast

This Afternoon
Sunny. Near steady temperature in the upper 70s. West winds 5 to 10 mph.
Tonight
Partly cloudy in the evening...then becoming mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph...becoming southeast after midnight.
Independence Day
Mostly cloudy. Rain likely...mainly in the afternoon. Highs in the mid 70s. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 60 percent.
Saturday Night
Mostly cloudy. A chance of rain in the evening. Lows in the upper 50s. North winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 50 percent.
Sunday
Sunny. Highs around 80. Northwest winds 5 to 10 mph... Becoming southwest in the afternoon.
Sunday Night
Mostly clear. Lows in the mid 60s.
Monday
Partly sunny. Highs around 80.
Monday Night
Mostly cloudy. Lows in the upper 60s.
Tuesday
Partly sunny. Highs in the upper 70s.
Tuesday Night
Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 60s.
Wednesday
Partly sunny. Highs around 80.
Wednesday Night
Mostly cloudy. Lows in the upper 60s.
Thursday
Partly sunny with a chance of showers and thunderstorms. Highs around 80. Chance of rain 40 percent.
  Click Map For Detailed Forecast
1255 PM EDT FRI JUL 3 2015
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database