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

48°F

9°C

Humidity 77%
Wind Speed NW 5 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 15 May 4:53 am EDT
Extended Forecast for

3 Miles ENE Mc Alisterville PA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 69. Northwest wind around 8 mph, with gusts as high as 21 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 49. Calm wind.

    Low: 49 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 60. Light west wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Light west wind. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 69. Northwest wind around 8 mph, with gusts as high as 21 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 49. Calm wind.
Saturday
Sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Light west wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Light west wind. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Showers likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mc Alisterville PA
 40.66°N 77.21°W (Elev. 699 ft)
Last Update:
2:39 am EDT May 15, 2026
Forecast Valid:
5am EDT May 15, 2026-6pm EDT May 21, 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