Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system will produce scattered severe thunderstorms and locally heavy rain stretching from the Southern Plains to the Gulf Coast and lower Miss. Valley on Friday. Large hail, locally damaging winds and flash flooding will be the main threats. This activity will continue into Saturday.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

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

Overcast

48°F

9°C

Humidity 66%
Wind Speed E 6 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 29 Apr 2:56 am EDT
Detailed forecast for

Northwest Suffolk

Overnight
Cloudy with a 40 percent chance of light rain. Lows around 40. East winds 5 to 10 mph.
Friday
Cloudy. A slight chance of showers in the afternoon. Highs in the mid 50s. East winds 10 to 15 mph. Chance of rain 20 percent.
Friday Night
Cloudy with a 50 percent chance of showers. Lows in the lower 40s. East winds 5 to 10 mph...becoming northeast after midnight.
Saturday
Mostly sunny. Highs in the upper 50s. Northeast winds around 5 mph...becoming southeast in the afternoon.
Saturday Night
Partly cloudy in the evening...then becoming mostly cloudy. Lows in the lower 40s. Southeast winds 5 to 10 mph.
Sunday
Cloudy. Rain likely...mainly in the afternoon. Highs in the mid 50s. Chance of rain 60 percent.
Sunday Night
Rain likely. Lows in the upper 40s. Chance of rain 60 percent.
Monday
Cloudy with a 50 percent chance of rain. Highs in the upper 50s.
Monday Night
Mostly cloudy. A chance of rain in the evening. Lows in the upper 40s. Chance of rain 30 percent.
Tuesday
Partly sunny. Highs in the lower 60s.
Tuesday Night
Mostly cloudy. Lows in the upper 40s.
Wednesday
Partly sunny. Highs in the lower 60s.
Wednesday Night
Mostly cloudy. Lows in the upper 40s.
Thursday
Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.



Click Map For Forecast
1257 AM EDT FRI APR 29 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database