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.

Fair with Haze

77°F

25°C

Humidity 62%
Wind Speed N 14 mph
Barometer 29.77 in (1007.8 mb)
Dewpoint 63°F (17°C)
Visibility 5.00 mi
Heat Index79°F (26°C)
Last update 7 Jun 2:53 pm EDT
Extended Forecast for

Mifflinburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. North wind 3 to 6 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 62. Light south wind. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. North wind 3 to 6 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 62. Light south wind. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 62.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mifflinburg PA
 40.91°N 77.05°W (Elev. 699 ft)
Last Update:
3:14 pm EDT Jun 7, 2025
Forecast Valid:
3pm EDT Jun 7, 2025-6pm EDT Jun 14, 2025
 
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