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

32°F

0°C

Humidity 61%
Wind Speed W 8 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Jan 7:53 pm EST
Extended Forecast for

Montandon PA

  • Tonight

    Tonight: A slight chance of snow showers before 9pm. Partly cloudy, with a low around 28. West wind 8 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Southwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 36. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 46. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °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. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.

    High: 35 °F

    Chance
    Rain/Snow

  • Thursday Night

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

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow showers before 9pm. Partly cloudy, with a low around 28. West wind 8 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 28. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 36. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 46. 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. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 35.
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:
Montandon PA
 40.94°N 76.87°W (Elev. 499 ft)
Last Update:
8:26 pm EST Jan 11, 2026
Forecast Valid:
8pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation