National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Light Rain

42°F

6°C

Humidity 76%
Wind Speed NW 9 G 21 mph
Barometer 29.81 in (1009.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 12 Mar 6:53 am EDT
Extended Forecast for

3 Miles ENE McAlisterville PA

  • Today

    Today: A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. Northwest wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Partly sunny, with a high near 49. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 33. West wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 47. West wind around 10 mph, with gusts as high as 24 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers. High near 61. Chance of precipitation is 90%.

    High: 61 °F

    Showers

Detailed Forecast

Today
A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. Northwest wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Mostly clear, with a low around 28. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Friday
A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Partly sunny, with a high near 49. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 33. West wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 47. West wind around 10 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of snow showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 46. Chance of precipitation is 70%.
Monday
Showers. High near 61. Chance of precipitation is 90%.
Monday Night
Rain likely, possibly mixed with snow showers, mainly before 8pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE McAlisterville PA
 40.64°N 77.21°W (Elev. 699 ft)
Last Update:
3:06 am EDT Mar 12, 2026
Forecast Valid:
7am EDT Mar 12, 2026-6pm EDT Mar 18, 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