National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

73°F

23°C

Humidity 50%
Wind Speed S 8 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 4 Nov 3:53 pm EST
Extended Forecast for

Shamokin Dam PA

  • Tonight

    Tonight: Showers, mainly after 1am. Low around 60. South wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Mostly Cloudy
    then Showers

  • Thursday

    Thursday: Showers before 10am, then a slight chance of showers after 4pm. High near 73. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Showers then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Light west wind.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly after 1am. Low around 60. South wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers before 10am, then a slight chance of showers after 4pm. High near 73. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 67. Calm wind.
Friday Night
Mostly cloudy, with a low around 44. Light west wind.
Saturday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 35.
Veterans Day
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shamokin Dam PA
 40.85°N 76.83°W (Elev. 499 ft)
Last Update:
1:20 pm EST Nov 4, 2026
Forecast Valid:
4pm EST Nov 4, 2026-6pm EST Nov 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation