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

35°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.24 in (1024.5 mb)
Dewpoint 33°F (1°C)
Visibility 4.00 mi
Last update 4 Mar 1:53 am EST
Extended Forecast for

Shamokin Dam PA

  • Overnight

    Overnight: A chance of rain before 4am. Patchy fog. Otherwise, cloudy, with a low around 34. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am. Patchy fog between 3am and 4am. Otherwise, cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Slight Chance
    Rain then
    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. Patchy fog between 10am and 1pm. High near 51. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Low around 43. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: A slight chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Overnight
A chance of rain before 4am. Patchy fog. Otherwise, cloudy, with a low around 34. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Calm wind.
Wednesday Night
Rain likely, mainly after 4am. Patchy fog between 3am and 4am. Otherwise, cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Patchy fog between 10am and 1pm. High near 51. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 43. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Rain likely after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shamokin Dam PA
 40.85°N 76.83°W (Elev. 499 ft)
Last Update:
1:34 am EST Mar 4, 2026
Forecast Valid:
2am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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