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

41°F

5°C

Humidity 49%
Wind Speed S 18 G 28 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Mar 12:53 pm EDT
Extended Forecast for

Northumberland PA

Wind Advisory March 13, 02:00pm until March 14, 11:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 47. South wind around 16 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 34. West wind around 11 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers
    Likely then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. West wind 10 to 14 mph, with gusts as high as 38 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 52. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 26 mph.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 45. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers. High near 65. Chance of precipitation is 100%.

    High: 65 °F

    Showers

  • Monday Night

    Monday Night: Rain and snow showers likely before 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 47. South wind around 16 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 34. West wind around 11 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 47. West wind 10 to 14 mph, with gusts as high as 38 mph.
Saturday Night
Increasing clouds, with a low around 32. Calm wind.
Sunday
Mostly cloudy, with a high near 52. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
Sunday Night
Showers, mainly after 2am. Low around 45. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers. High near 65. Chance of precipitation is 100%.
Monday Night
Rain and snow showers likely before 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northumberland PA
 40.89°N 76.79°W (Elev. 482 ft)
Last Update:
1:11 pm EDT Mar 13, 2026
Forecast Valid:
1pm EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation