National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.3 mb)
Dewpoint 57°F (14°C)
Visibility 2.50 mi
Last update 15 Apr 5:53 am EDT
Extended Forecast for

3 Miles ENE McAlisterville PA

  • Today

    Today: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 86 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 64. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 63. West wind 3 to 7 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 8am. Partly sunny, with a high near 76. West wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 64. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 63. West wind 3 to 7 mph. Chance of precipitation is 40%.
Friday
A chance of showers, mainly after 8am. Partly sunny, with a high near 76. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Partly cloudy, with a low around 35. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 62.
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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:
2:21 am EDT Apr 15, 2026
Forecast Valid:
6am EDT Apr 15, 2026-6pm EDT Apr 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