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Severe Thunderstorms & Heavy Rain in the Plains/Midwest; Clouds and Rain Threaten Eclipse Viewing for Some

While much of the nation observes today's eclipse, clouds threaten to obscure the view in parts of the Plains, Midwest, Mid-Atlantic, Southwest, and Southeast states. The weather could be more than just a nuisance in the north-central Plains and Midwest where scattered severe storms are possible this afternoon and evening. Very large hail, damaging wind gusts, and flash floods are possible. Read More >

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

80°F

27°C

Humidity 69%
Wind Speed S 10 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Aug 5:56 pm EDT
Extended Forecast for

Upton NY

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 72. Southwest wind 6 to 13 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before noon.  Partly sunny, with a high near 85. Southwest wind 9 to 15 mph.

    Slight Chance
    T-storms then
    Mostly Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 72. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%.

    Scattered
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before noon.  Partly sunny, with a high near 83. West wind 11 to 13 mph.

    Chance
    T-storms

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 61. North wind around 8 mph.

    Partly Cloudy

    Low: 61 °F

  • Thursday

    Thursday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

  • Friday

    Friday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 72. Southwest wind 6 to 13 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 85. Southwest wind 9 to 15 mph.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 83. West wind 11 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 61. North wind around 8 mph.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Upton NY
 40.86°N 72.87°W (Elev. 49 ft)
4:13 pm EDT Aug 21, 2017
6pm EDT Aug 21, 2017-6pm EDT Aug 28, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database