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.

Mostly Cloudy

39°F

4°C

Humidity 73%
Wind Speed Vrbl 3 mph
Barometer 29.87 in (1012.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 11 Jan 4:53 am EST
Extended Forecast for

Shamokin Dam PA

  • Today

    Today: Scattered snow showers between 1pm and 3pm. The snow could be heavy at times. Increasing clouds, with a high near 39. West wind 6 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Mostly Sunny
    then Heavy
    Snow

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West wind 11 to 14 mph, with gusts as high as 32 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind 3 to 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Southwest wind 3 to 7 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of snow showers before 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Scattered snow showers between 1pm and 3pm. The snow could be heavy at times. Increasing clouds, with a high near 39. West wind 6 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West wind 11 to 14 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 44. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A chance of showers. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Thursday
A chance of snow showers before 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 34.
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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:
1:06 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation