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.

Partly Cloudy

59°F

15°C

Humidity 72%
Wind Speed S 5 mph
Barometer 30.25 in (1024.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 May 4:53 pm EDT
Extended Forecast for

3 Miles ENE McAlisterville PA

  • This Afternoon

    This Afternoon: A chance of rain. Cloudy, with a high near 59. Light east wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain, mainly before 7pm. Cloudy, with a low around 49. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: A chance of rain, mainly after 4pm. Cloudy, with a high near 61. Northeast wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Cloudy then
    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 8pm. Low around 48. Southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain. High near 52. East wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 47. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before 8am. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Rain then
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: A chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers and
    Patchy Fog

Detailed Forecast

This Afternoon
A chance of rain. Cloudy, with a high near 59. Light east wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain, mainly before 7pm. Cloudy, with a low around 49. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain, mainly after 4pm. Cloudy, with a high near 61. Northeast wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain, mainly after 8pm. Low around 48. Southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 52. East wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Rain. Low around 47. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain, mainly before 8am. High near 67. Chance of precipitation is 80%.
Sunday Night
A chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly cloudy, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE McAlisterville PA
 40.64°N 77.21°W (Elev. 699 ft)
Last Update:
2:50 pm EDT May 21, 2026
Forecast Valid:
5pm EDT May 21, 2026-6pm EDT May 28, 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