Showers and Thunderstorms With Heavy Rainfall Expected Across the Eastern United States

Showers and thunderstorms, some with local heavy rainfall, are expected across Pennsylvania and northward to New England. These storms will elevate the potential for flash flooding the rest of this weekend. Hot temperatures are expected across the Desert Southwest and Texas. Monsoonal thunderstorms are expected across New Mexico and Arizona. Read More >

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Light Rain

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 30 Jul 7:56 pm EDT
Extended Forecast for

Upton NY

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Cloudy, with a low around 72. South wind around 6 mph becoming light and variable.

    Chance
    Showers

    Low: 72 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rain.  Cloudy, with a high near 80. East wind 9 to 13 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 80 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Cloudy, with a low around 70. East wind 8 to 11 mph.

    Chance
    Showers

    Low: 70 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Cloudy, with a high near 80. Northeast wind 5 to 8 mph becoming south in the afternoon.

    Chance
    Showers then
    Chance
    T-storms

    High: 80 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 3am.  Cloudy, with a low around 70. Calm wind becoming northeast around 5 mph after midnight.

    Chance
    T-storms

    Low: 70 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    Partly Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Partly Cloudy

    Low: 67 °F

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 72. South wind around 6 mph becoming light and variable.
Sunday
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rain. Cloudy, with a high near 80. East wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 70. East wind 8 to 11 mph.
Monday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 80. Northeast wind 5 to 8 mph becoming south in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 3am. Cloudy, with a low around 70. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 87.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Upton NY
 40.87°N 72.89°W (Elev. 89 ft)
7:18 pm EDT Jul 30, 2016
8pm EDT Jul 30, 2016-6pm EDT Aug 6, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database