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.

Light Rain

75°F

24°C

Humidity 88%
Wind Speed SE 6 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Last update 2 Aug 11:53 am EDT
Extended Forecast for

2 Miles SE Herndon PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Low around 69. South wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Heavy Rain

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 81. Light and variable wind becoming northwest 5 to 7 mph in the morning. 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 then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Light north wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly sunny, with a high near 81. Calm wind. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Low around 69. South wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 81. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 62. Light north wind.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Calm wind. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Herndon PA
 40.67°N 76.83°W (Elev. 696 ft)
Last Update:
11:35 am EDT Aug 2, 2026
Forecast Valid:
12pm EDT Aug 2, 2026-6pm EDT Aug 8, 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