Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

53°F

12°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1016.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 18 Apr 7:53 am EDT
Extended Forecast for

Selinsgrove, Penn Valley Airport PA

  • Today

    Today: Partly sunny, with a high near 76. South wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: Showers.  Low around 46. South wind 6 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm.  High near 53. Northwest wind around 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers after 8pm.  Partly cloudy, with a low around 33. West wind 3 to 7 mph.  Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost after 4am.  Otherwise, mostly clear, with a low around 27.

    Low: 27 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am.  Otherwise, sunny, with a high near 56.

    High: 56 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 76. South wind 5 to 13 mph, with gusts as high as 23 mph.
Tonight
Showers. Low around 46. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 2pm. High near 53. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of showers after 8pm. Partly cloudy, with a low around 33. West wind 3 to 7 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 27.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 56.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Selinsgrove, Penn Valley Airport PA
 40.83°N 76.86°W (Elev. 492 ft)
8:06 am EDT Apr 18, 2026
8am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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