Heavy rain for portions of the Mid-Atlantic and New England through Saturday

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms across portions of New England and the Mid-Atlantic through Saturday. Abundant moisture will allow occasionally heavy rainfall and flash flooding in these locations. Read More >

Hazardous Weather Conditions

Current conditions at

Selinsgrove, Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 449ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in (1015.0 mb)
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 30 Jul 6:53 am EDT
Extended Forecast for

Northumberland PA

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  High near 82. Light and variable wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Chance
    Showers then
    Showers

    High: 82 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 68. East wind 3 to 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    Low: 68 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm.  Mostly cloudy, with a high near 84. Southeast wind 3 to 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    T-storms
    Likely

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 66. Light east wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 66 °F

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 85 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    Mostly Sunny

    High: 86 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 82. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 68. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 84. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Northumberland PA
 40.89°N 76.79°W (Elev. 482 ft)
6:48 am EDT Jul 30, 2016
7am EDT Jul 30, 2016-6pm EDT Aug 5, 2016
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database