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Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Light Snow Fog/Mist

33°F

1°C

Humidity 96%
Wind Speed NW 5 mph
Barometer 29.88 in (1012.2 mb)
Dewpoint 32°F (0°C)
Visibility 2.50 mi
Wind Chill28°F (-2°C)
Last update 22 Feb 6:53 pm EST
Extended Forecast for

Northumberland PA

Winter Weather Advisory February 22, 07:01pm until February 23, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 22, 07:01pm until February 23, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • Tonight

    Low: 31 °F

    Snow

  • Monday

    Monday: A chance of snow, mainly before 11am. Cloudy, with a high near 36. North wind 11 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. Northwest wind around 9 mph, with gusts as high as 23 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers, 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
    Showers then
    Snow Showers

  • Wednesday

    Wednesday: A chance of rain and snow showers before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain and snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.

    High: 39 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Snow, mainly before 4am. Low around 31. Calm wind becoming north 5 to 9 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.
Monday
A chance of snow, mainly before 11am. Cloudy, with a high near 36. North wind 11 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 16. Northwest wind around 9 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 30. West wind 6 to 8 mph, with gusts as high as 21 mph.
Tuesday Night
Snow showers, 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 rain and snow showers before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Rain and snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northumberland PA
 40.89°N 76.82°W (Elev. 545 ft)
Last Update:
5:07 pm EST Feb 22, 2026
Forecast Valid:
7pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
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