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Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 29.98 in (1015.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Apr 3:53 am EDT
Extended Forecast for

Northumberland PA

  • Overnight

    Overnight: Showers, with thunderstorms also possible after 5am.  Low around 59. South wind around 5 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers

    Low: 59 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce gusty winds and frequent lightning.  Cloudy, with a high near 82. Southwest wind 5 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 82 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 57. North wind 3 to 5 mph.  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

    Low: 57 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 72. Southeast wind 3 to 7 mph.  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: 72 °F

  • Sunday
    Night

    Sunday Night: A slight chance of showers.  Mostly cloudy, with a low around 58. Southeast wind around 7 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 58 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 80. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    T-storms
    Likely

    High: 80 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms before midnight, then a chance of showers.  Low around 57. Chance of precipitation is 80%.

    T-storms then
    Chance
    Showers

    Low: 57 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 69.

    Partly Sunny

    High: 69 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 48.

    Mostly Cloudy

    Low: 48 °F

Detailed Forecast

Overnight
Showers, with thunderstorms also possible after 5am. Low around 59. South wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce gusty winds and frequent lightning. Cloudy, with a high near 82. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 57. North wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Southeast wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 58. Southeast wind around 7 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 80. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms before midnight, then a chance of showers. Low around 57. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Thursday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Northumberland PA
 40.89°N 76.79°W (Elev. 482 ft)
3:57 am EDT Apr 29, 2017
4am EDT Apr 29, 2017-6pm EDT May 5, 2017
 
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