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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Light Rain

73°F

23°C

Humidity 87%
Wind Speed S 6 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 27 Jul 5:56 pm EDT
Extended Forecast for

Upton NYSimilar City Names

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 9pm.  Mostly cloudy, with a low around 66. South wind 5 to 9 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 66 °F

  • Friday

    Friday: Partly sunny, with a high near 82. Light and variable wind becoming east 5 to 8 mph in the morning.

    Partly Sunny

    High: 82 °F

  • Friday
    Night

    Friday Night: Rain, mainly after 2am. The rain could be heavy at times.  Low around 67. Calm wind becoming northeast around 6 mph after midnight.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Chance Rain
    then Heavy
    Rain

    Low: 67 °F

  • Saturday

    Saturday: Rain likely before 2pm, then a chance of light rain after 2pm.  Cloudy, with a high near 71. Breezy, with a northeast wind 21 to 24 mph.  Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    Rain Likely
    and Breezy

    High: 71 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of light rain.  Cloudy, with a low around 62. Breezy, with a northeast wind 20 to 23 mph, with gusts as high as 34 mph.

    Chance Light
    Rain and
    Breezy

    Low: 62 °F

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    Partly Sunny

    High: 76 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 63.

    Mostly Cloudy

    Low: 63 °F

  • Monday

    Monday: Mostly cloudy, with a high near 76.

    Mostly Cloudy

    High: 76 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 65.

    Chance Rain

    Low: 65 °F

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 66. South wind 5 to 9 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 82. Light and variable wind becoming east 5 to 8 mph in the morning.
Friday Night
Rain, mainly after 2am. The rain could be heavy at times. Low around 67. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday
Rain likely before 2pm, then a chance of light rain after 2pm. Cloudy, with a high near 71. Breezy, with a northeast wind 21 to 24 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
A 50 percent chance of light rain. Cloudy, with a low around 62. Breezy, with a northeast wind 20 to 23 mph, with gusts as high as 34 mph.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly cloudy, with a high near 76.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Upton NYSimilar City Names
 40.86°N 72.87°W (Elev. 49 ft)
4:10 pm EDT Jul 27, 2017
6pm EDT Jul 27, 2017-6pm EDT Aug 3, 2017
 
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Additional Resources

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Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

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