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

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

33°F

1°C

Humidity 58%
Wind Speed Vrbl 6 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 11 Jan 5:53 pm EST
Extended Forecast for

Shamokin Dam PA

  • Tonight

    Tonight: A chance of snow showers between 7pm and 9pm. Partly cloudy, with a low around 28. West wind 8 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Southwest wind 3 to 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.

    High: 33 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow showers between 7pm and 9pm. Partly cloudy, with a low around 28. West wind 8 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 39. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 27. Southwest wind 3 to 5 mph.
Tuesday
Increasing clouds, with a high near 43. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 35. South wind around 6 mph.
Wednesday
A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Thursday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shamokin Dam PA
 40.87°N 76.85°W (Elev. 712 ft)
Last Update:
3:41 pm EST Jan 11, 2026
Forecast Valid:
5pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation