National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

33°F

1°C

Humidity 78%
Wind Speed NW 12 G 22 mph
Barometer 29.76 in (1008.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 23 Feb 7:53 am EST
Extended Forecast for

Middleburg PA

Winter Weather Advisory February 23, 08:46am until February 23, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 23, 08:46am until February 23, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • Today

    High: 37 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after 1am. Low around 22. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then a chance of rain between 10am and 1pm. Mostly cloudy, with a high near 44. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Snow likely, mainly after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Chance Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A slight chance of snow before 1pm. Cloudy, with a high near 37. North wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.
Tuesday Night
Snow, mainly after 1am. Low around 22. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
A chance of snow before 10am, then a chance of rain between 10am and 1pm. Mostly cloudy, with a high near 44. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Middleburg PA
 40.78°N 77.04°W (Elev. 535 ft)
Last Update:
7:06 am EST Feb 23, 2026
Forecast Valid:
8am EST Feb 23, 2026-6pm EST Mar 1, 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