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.

Overcast

75°F

24°C

Humidity 88%
Wind Speed S 5 mph
Barometer 29.75 in (1007.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 2 Aug 9:53 pm EDT
Extended Forecast for

3 Miles ENE Mc Alisterville PA

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Patchy fog after 4am. Low around 69. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 7am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. Light north wind.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Patchy fog after 4am. Low around 69. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms, mainly before 7am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 63. Light north wind.
Tuesday
Partly sunny, with a high near 81. Calm wind.
Tuesday Night
Partly cloudy, with a low around 64. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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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:
8:11 pm EDT Aug 2, 2026
Forecast Valid:
10pm EDT Aug 2, 2026-6pm EDT Aug 9, 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