Critical Fire Weather Conditions in the Plains; Heavy Snow in the Sierra and Northern Rockies

Gusty winds and warm, very dry conditions will lead to a Critical Risk of fire weather across much of the High Plains through Thursday. A Pacific storm system will bring strong winds and precipitation from the Pacific Northwest to the Northern Rockies, with heavy mountain snow in the Sierra-Nevada and northern Rockies. Heavy snow will continue in the northern Rockies on Thursday. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

68°F

20°C

Humidity 53%
Wind Speed S 7 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 22 Apr 3:53 pm EDT
Extended Forecast for

Mifflinburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm.  Partly sunny, with a high near 68. Calm wind.  Chance of precipitation is 20%.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 46. Calm wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers.  High near 53. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am.  Cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am.  Partly sunny, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Calm wind.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 68. Calm wind. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 53. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 2am. Cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 66.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Tuesday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mifflinburg PA
 40.91°N 77.05°W (Elev. 699 ft)
3:19 pm EDT Apr 22, 2026
4pm EDT Apr 22, 2026-6pm EDT Apr 29, 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