Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

33°F

1°C

Humidity 56%
Wind Speed NE 17 mph
Barometer 30.29 in (1026.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 1 Mar 10:53 am EST
Extended Forecast for

Millersburg PA

  • Today

    Today: Sunny, with a high near 37. North wind around 8 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Light north wind.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 35. Light and variable wind.

    High: 35 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A chance of snow showers between 1am and 4am, then a chance of freezing rain and sleet after 4am.  Increasing clouds, with a low around 27. Calm wind becoming south around 5 mph after midnight.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Partly Cloudy
    then Chance
    Wintry Mix

  • Tuesday

    Tuesday: Rain showers, freezing rain, and sleet, becoming all rain after 10am.  High near 40. Southeast wind around 6 mph.  Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.

    High: 40 °F

    Wintry Mix
    then Showers

  • Tuesday Night

    Tuesday Night: Showers.  Low around 37. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers.  Cloudy, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers.  Cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 37. North wind around 8 mph.
Tonight
Mostly clear, with a low around 19. Light north wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 35. Light and variable wind.
Monday Night
A chance of snow showers between 1am and 4am, then a chance of freezing rain and sleet after 4am. Increasing clouds, with a low around 27. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain showers, freezing rain, and sleet, becoming all rain after 10am. High near 40. Southeast wind around 6 mph. Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.
Tuesday Night
Showers. Low around 37. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers. Cloudy, with a high near 52. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Cloudy, with a low around 44. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Millersburg PA
 40.55°N 76.94°W (Elev. 525 ft)
10:46 am EST Mar 1, 2026
11am EST Mar 1, 2026-6pm EST Mar 7, 2026
 
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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