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.

Light Rain Fog/Mist

49°F

9°C

Humidity 86%
Wind Speed NW 12 G 23 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 45°F (7°C)
Visibility 4.00 mi
Wind Chill44°F (7°C)
Last update 19 Apr 5:53 am EDT
Extended Forecast for

4 Miles NNE Millerstown PA

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

    Today: Showers, mainly before 10am.  High near 53. Northwest wind 9 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers then
    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am.  Increasing clouds, with a low around 36. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost after 4am.  Otherwise, mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 28 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am.  Otherwise, sunny, with a high near 56. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 56 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Showers, mainly before 10am. High near 53. Northwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A slight chance of showers between 2am and 3am. Increasing clouds, with a low around 36. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 56. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Millerstown PA
 40.61°N 77.13°W (Elev. 568 ft)
2:21 am EDT Apr 19, 2026
6am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database