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

A storm system in the Ohio Valley will produce scattered severe thunderstorms and locally heavy rain stretching from the Southern Plains eastward through the Gulf Coast and Southeast on Thursday. Large hail and locally damaging winds will be the main threats. This activity will continue into Friday.
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Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

49°F

9°C

Humidity 55%
Wind Speed S 5 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 28 Apr 6:56 pm EDT
Extended Forecast for

Upton NY

  • Tonight

    Tonight: A chance of light rain, mainly between 9pm and midnight.  Cloudy, with a low around 38. South wind around 7 mph becoming east after midnight.  Chance of precipitation is 30%.

    Chance Light
    Rain

    Low: 38 °F

  • Friday

    Friday: A slight chance of light rain.  Cloudy, with a high near 55. East wind 9 to 13 mph.  Chance of precipitation is 20%.

    Slight Chance
    Light Rain

    High: 55 °F

  • Friday
    Night

    Friday Night: A chance of showers, mainly between 8pm and 2am.  Cloudy, with a low around 39. East wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 39 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Northeast wind around 8 mph becoming southeast in the afternoon.

    Mostly Sunny

    High: 59 °F

  • Saturday
    Night

    Saturday Night: A slight chance of rain after 2am.  Mostly cloudy, with a low around 41. South wind 5 to 10 mph becoming light southeast  after midnight.  Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance Rain

    Low: 41 °F

  • Sunday

    Sunday: Rain likely, mainly after noon.  Cloudy, with a high near 55. 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%.

    Rain Likely

    Low: 46 °F

  • Monday

    Monday: A chance of rain.  Cloudy, with a high near 58. Chance of precipitation is 50%.

    Chance Rain

    High: 58 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 46.

    Mostly Cloudy

    Low: 46 °F

Detailed Forecast

Tonight
A chance of light rain, mainly between 9pm and midnight. Cloudy, with a low around 38. South wind around 7 mph becoming east after midnight. Chance of precipitation is 30%.
Friday
A slight chance of light rain. Cloudy, with a high near 55. East wind 9 to 13 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 39. East wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 59. Northeast wind around 8 mph becoming southeast in the afternoon.
Saturday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 41. South wind 5 to 10 mph becoming light southeast after midnight. Chance of precipitation is 20%.
Sunday
Rain likely, mainly after noon. Cloudy, with a high near 55. 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%.
Monday
A chance of rain. Cloudy, with a high near 58. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Upton NY
 40.87°N 72.89°W (Elev. 89 ft)
3:30 pm EDT Apr 28, 2016
7pm EDT Apr 28, 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