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

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 >

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

46°F

8°C

Humidity 37%
Wind Speed NW 5 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Apr 7:53 pm EDT
Extended Forecast for

2 Miles WSW Washingtonville PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A chance of rain showers before 4am, then a chance of snow showers between 4am and 5am, then a chance of rain and snow showers after 5am. Increasing clouds, with a low around 35. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Mostly Clear
    then Chance
    Rain/Snow

  • Monday

    Monday: Areas of frost between 7am and 8am. Otherwise, partly sunny, with a high near 46. Northwest wind around 11 mph, with gusts as high as 22 mph.

    High: 46 °F

    Areas Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: Widespread frost after 3am. Otherwise, mostly clear, with a low around 27. North wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 41. South wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 2pm. Mostly sunny, with a high near 66. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain showers before 4am, then a chance of snow showers between 4am and 5am, then a chance of rain and snow showers after 5am. Increasing clouds, with a low around 35. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Areas of frost between 7am and 8am. Otherwise, partly sunny, with a high near 46. Northwest wind around 11 mph, with gusts as high as 22 mph.
Monday Night
Widespread frost after 3am. Otherwise, mostly clear, with a low around 27. North wind around 6 mph becoming calm in the evening.
Tuesday
Widespread frost before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 41. South wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of showers before 2pm. Mostly sunny, with a high near 66. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 73.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Washingtonville PA
 41.03°N 76.71°W (Elev. 699 ft)
Last Update:
8:06 pm EDT Apr 19, 2026
Forecast Valid:
8pm EDT Apr 19, 2026-6pm EDT Apr 26, 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