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.

Mostly Cloudy

80°F

27°C

Humidity 82%
Wind Speed Calm
Barometer 29.87 in (1011.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Aug 4:53 pm EDT
Extended Forecast for

3 Miles NE Thompsontown PA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Light west wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 62. North wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 73. North wind around 6 mph.

    High: 73 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 72. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Light west wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 62. North wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, with a high near 73. North wind around 6 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 72. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 62.
Saturday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Thompsontown PA
 40.6°N 77.19°W (Elev. 833 ft)
Last Update:
2:19 pm EDT Aug 17, 2025
Forecast Valid:
5pm EDT Aug 17, 2025-6pm EDT Aug 24, 2025
 
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