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°NLon: 73.1°WElev: 98ft.

Overcast

52°F

11°C

Humidity 43%
Wind Speed E 20 G 26 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 29 Apr 10:56 am EDT
Extended Forecast for

Ronkonkoma NY

  • Today

    Today: A slight chance of rain.  Cloudy, with a high near 54. East wind 10 to 13 mph.  Chance of precipitation is 20%.

    Slight Chance
    Rain

    High: 54 °F

  • Tonight

    Tonight: Rain likely, mainly before 1am.  Cloudy, with a low around 43. East wind 6 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    Low: 43 °F

  • Saturday

    Saturday: Partly sunny, with a high near 59. Northeast wind 7 to 9 mph becoming southeast in the afternoon.

    Partly Sunny

    High: 59 °F

  • Saturday
    Night

    Saturday Night: A slight chance of rain after 3am.  Increasing clouds, with a low around 45. Southeast wind 6 to 11 mph becoming light  after midnight.  Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance Rain

    Low: 45 °F

  • Sunday

    Sunday: Rain likely, mainly after 1pm.  Cloudy, with a high near 55. East wind 6 to 14 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    High: 55 °F

  • Sunday
    Night

    Sunday Night: Rain likely.  Cloudy, with a low around 46. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain Likely

    Low: 46 °F

  • Monday

    Monday: A chance of rain.  Cloudy, with a high near 59. Chance of precipitation is 50%.

    Chance Rain

    High: 59 °F

  • Monday
    Night

    Monday Night: A chance of rain before 9pm.  Cloudy, with a low around 47. Chance of precipitation is 30%.

    Chance Rain
    then Cloudy

    Low: 47 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    Partly Sunny

    High: 61 °F

Detailed Forecast

Today
A slight chance of rain. Cloudy, with a high near 54. East wind 10 to 13 mph. Chance of precipitation is 20%.
Tonight
Rain likely, mainly before 1am. Cloudy, with a low around 43. East wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 59. Northeast wind 7 to 9 mph becoming southeast in the afternoon.
Saturday Night
A slight chance of rain after 3am. Increasing clouds, with a low around 45. Southeast wind 6 to 11 mph becoming light after midnight. Chance of precipitation is 20%.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 55. East wind 6 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely. Cloudy, with a low around 46. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of rain. Cloudy, with a high near 59. Chance of precipitation is 50%.
Monday Night
A chance of rain before 9pm. Cloudy, with a low around 47. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Ronkonkoma NY
 40.81°N 73.11°W (Elev. 98 ft)
9:30 am EDT Apr 29, 2016
11am EDT Apr 29, 2016-6pm EDT May 5, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database