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.

Overcast

31°F

-1°C

Humidity 85%
Wind Speed Calm
Barometer 30.07 in (1018.8 mb)
Dewpoint 27°F (-3°C)
Visibility 8.00 mi
Last update 7 Dec 10:53 pm EST
Extended Forecast for

3 Miles NNE Swengel PA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 19. North wind 9 to 13 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 27. North wind 8 to 13 mph becoming light northeast in the afternoon.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 30 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 24. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow, becoming all rain after 1pm. Cloudy, with a high near 43. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 19. North wind 9 to 13 mph.
Monday
Partly sunny, with a high near 27. North wind 8 to 13 mph becoming light northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 9. Calm wind.
Tuesday
Mostly cloudy, with a high near 30. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 24. South wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Cloudy, with a high near 43. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 37.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Friday
A chance of snow showers. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Swengel PA
 40.98°N 77.04°W (Elev. 640 ft)
Last Update:
11:06 pm EST Dec 7, 2025
Forecast Valid:
11pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation