Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

34°F

1°C

Humidity 56%
Wind Speed Calm
Barometer 30.17 in (1022.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 18 Dec 7:56 pm EST
Extended Forecast for

Duncannon PA

  • Tonight

    Tonight: Clear, with a low around 23. Calm wind.

    Clear

    Low: 23 °F

  • Wednesday

    Wednesday: Sunny, with a high near 45. Calm wind.

    Sunny

    High: 45 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 28. Calm wind.

    Mostly Clear

    Low: 28 °F

  • Thursday

    Thursday: A chance of rain, mainly after 1pm.  Mostly cloudy, with a high near 44. Light southeast wind.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Rain then
    Chance Rain

    High: 44 °F

  • Thursday
    Night

    Thursday Night: Rain. The rain could be heavy at times.  Low around 41. East wind 3 to 5 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 41 °F

  • Friday

    Friday: Occasional rain.  High near 55. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain

    High: 55 °F

  • Friday
    Night

    Friday Night: A chance of rain before 1am, then a chance of showers after 1am.  Mostly cloudy, with a low around 39. Chance of precipitation is 50%.

    Chance Rain

    Low: 39 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 41.

    Mostly Cloudy

    High: 41 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Mostly Cloudy

    Low: 31 °F

Detailed Forecast

Tonight
Clear, with a low around 23. Calm wind.
Wednesday
Sunny, with a high near 45. Calm wind.
Wednesday Night
Mostly clear, with a low around 28. Calm wind.
Thursday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 44. Light southeast wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. The rain could be heavy at times. Low around 41. East wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
Occasional rain. High near 55. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.
Saturday
Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 28.
Christmas Day
Partly sunny, with a high near 39.
Click Map For Forecast
Point Forecast:
Duncannon PA
 40.4°N 77.02°W (Elev. 413 ft)
7:20 pm EST Dec 18, 2018
8pm EST Dec 18, 2018-6pm EST Dec 25, 2018
 
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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