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

46°F

8°C

Humidity 47%
Wind Speed SE 12 G 23 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Mar 4:53 pm EDT
Extended Forecast for

3 Miles ENE McAlisterville PA

  • Tonight

    Tonight: Showers, mainly between midnight and 4am. Low around 47. Southeast wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 3pm, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe and produce heavy rainfall. High near 65. South wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Low around 23. West wind around 11 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. West wind 13 to 15 mph, with gusts as high as 31 mph.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. West wind 5 to 8 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers, mainly between midnight and 4am. Low around 47. Southeast wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 3pm, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe and produce heavy rainfall. High near 65. South wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Low around 23. West wind around 11 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 31. West wind 13 to 15 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 20. West wind 5 to 8 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 52.
Friday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE McAlisterville PA
 40.64°N 77.21°W (Elev. 699 ft)
Last Update:
3:06 pm EDT Mar 15, 2026
Forecast Valid:
5pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation