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.

Thunderstorm in Vicinity

74°F

23°C

Humidity 43%
Wind Speed SE 5 mph
Barometer 29.54 in (1000.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 22 Mar 4:53 pm EDT
Extended Forecast for

Selinsgrove, Penn Valley Airport PA

Severe T-storm Watch until March 22, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until March 22, 10:00pm

    NOW until 10:00pm Sun

    Severe T-storm Watch

  • This Afternoon

    High: 73 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Low around 36. North wind 5 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Severe
    Thunderstorms
    then Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 47. North wind around 10 mph, with gusts as high as 23 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. North wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Low around 36. North wind 5 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 47. North wind around 10 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 25. North wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 48. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Showers likely after 8pm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove, Penn Valley Airport PA
 40.83°N 76.86°W (Elev. 492 ft)
Last Update:
3:51 pm EDT Mar 22, 2026
Forecast Valid:
5pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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