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.

Overcast

37°F

3°C

Humidity 62%
Wind Speed S 3 mph
Barometer 30.00 in (1016.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 25 Dec 8:53 am EST
Extended Forecast for

Lewisburg PA

Winter Storm Watch December 26, 07:00am until December 27, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 47. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 22. North wind 5 to 7 mph becoming calm after midnight.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Snow before 4pm, then snow, freezing rain, and sleet. High near 30. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 2 inches possible.

    High: 30 °F

    Slight Chance
    Snow then
    Wintry Mix

  • Friday Night

    Friday Night: Snow, freezing rain, and sleet before 4am, then a chance of snow and sleet. Low around 26. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New snow and sleet accumulation of around an inch possible.

    Low: 26 °F

    Wintry Mix

  • Saturday

    Saturday: Cloudy, with a high near 36. Calm wind.

    High: 36 °F

    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 24.

    Low: 24 °F

    Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 34. Chance of precipitation is 90%.

    Low: 34 °F

    Rain

  • Monday

    Monday: A chance of rain before 1pm. Cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance Rain

Detailed Forecast

Christmas Day
Partly sunny, with a high near 47. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 22. North wind 5 to 7 mph becoming calm after midnight.
Friday
Snow before 4pm, then snow, freezing rain, and sleet. High near 30. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 2 inches possible.
Friday Night
Snow, freezing rain, and sleet before 4am, then a chance of snow and sleet. Low around 26. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New snow and sleet accumulation of around an inch possible.
Saturday
Cloudy, with a high near 36. Calm wind.
Saturday Night
Cloudy, with a low around 24.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.
Sunday Night
Rain. Low around 34. Chance of precipitation is 90%.
Monday
A chance of rain before 1pm. Cloudy, with a high near 42. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewisburg PA
 40.96°N 76.89°W (Elev. 499 ft)
Last Update:
7:21 am EST Dec 25, 2025
Forecast Valid:
9am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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