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.

A Few Clouds

38°F

3°C

Humidity 65%
Wind Speed Vrbl 7 mph
Barometer 30.00 in (1016.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 17 Jan 3:53 pm EST
Extended Forecast for

3 Miles ENE McAlisterville PA

  • Tonight

    Tonight: A chance of snow showers, mainly between 3am and 4am. Increasing clouds, with a low around 26. Light southwest wind. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A slight chance of snow before 10am. Mostly cloudy, with a high near 29. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Light west wind.

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 29. Southwest wind 6 to 14 mph, with gusts as high as 30 mph.

    High: 29 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. West wind around 9 mph, with gusts as high as 28 mph.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow showers, mainly between 3am and 4am. Increasing clouds, with a low around 26. Light southwest wind. Chance of precipitation is 30%.
Sunday
A slight chance of snow before 10am. Mostly cloudy, with a high near 29. West wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 18. Light west wind.
M.L.King Day
Partly sunny, with a high near 29. Southwest wind 6 to 14 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 9. West wind around 9 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 18.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE McAlisterville PA
 40.64°N 77.21°W (Elev. 699 ft)
Last Update:
2:31 pm EST Jan 17, 2026
Forecast Valid:
4pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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