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.

Mostly Cloudy

21°F

-6°C

Humidity 52%
Wind Speed Vrbl 7 mph
Barometer 29.64 in (1004.1 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 15 Jan 5:53 pm EST
Extended Forecast for

Mifflinburg PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind around 10 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 30. West wind around 7 mph becoming south in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 25. Light south wind. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 39. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Light southwest wind.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind around 10 mph, with gusts as high as 22 mph.
Friday
Increasing clouds, with a high near 30. West wind around 7 mph becoming south in the afternoon.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 25. Light south wind. Chance of precipitation is 20%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 39. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 22. Light southwest wind.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 16.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mifflinburg PA
 40.91°N 77.05°W (Elev. 699 ft)
Last Update:
5:02 pm EST Jan 15, 2026
Forecast Valid:
6pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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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