Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Active Weather Continues in the West; Potent Cold Front to Move Through the East this Weekend

A complex weather system will continue to bring active conditions over the Western U.S. through early Saturday, including more heavy snowfall through the Rockies. Farther east, a potent cold front will advance through the Ohio Valley Saturday, bringing rain and a few strong thunderstorms. As the front clears the east coast on Sunday, colder and gusty conditions will return. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Rain Fog/Mist

38°F

3°C

Humidity 86%
Wind Speed Calm
Barometer 29.81 in (1009.9 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 18 Nov 10:56 am EST
Extended Forecast for

3 Miles SW Duncannon PA

  • Today

    Today: Periods of rain, with thunderstorms also possible after 4pm.  High near 47. South wind around 6 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Rain

    High: 47 °F

  • Tonight

    Tonight: Periods of showers and possibly a thunderstorm before 4am, then showers likely.  Low around 41. South wind 9 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    Low: 41 °F

  • Sunday

    Sunday: Rain showers likely before 7am, then a slight chance of rain and snow showers after 4pm.  Mostly cloudy, with a high near 45. Breezy, with a west wind 21 to 25 mph, with gusts as high as 44 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Breezy.
    Showers
    Likely then
    Isolated
    Rain/Snow

    High: 45 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 29. West wind 10 to 18 mph, with gusts as high as 33 mph.

    Partly Cloudy

    Low: 29 °F

  • Monday

    Monday: Mostly sunny, with a high near 42. West wind 9 to 11 mph, with gusts as high as 22 mph.

    Mostly Sunny

    High: 42 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 30.

    Mostly Clear

    Low: 30 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    Mostly Sunny

    High: 51 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Mostly Cloudy

    Low: 34 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    Mostly Sunny

    High: 45 °F

Detailed Forecast

Today
Periods of rain, with thunderstorms also possible after 4pm. High near 47. South wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Periods of showers and possibly a thunderstorm before 4am, then showers likely. Low around 41. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Rain showers likely before 7am, then a slight chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 45. Breezy, with a west wind 21 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 29. West wind 10 to 18 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 42. West wind 9 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 29.
Thanksgiving Day
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 43.
Click Map For Forecast
Point Forecast:
3 Miles SW Duncannon PA
 40.36°N 77.06°W (Elev. 889 ft)
9:45 am EST Nov 18, 2017
11am EST Nov 18, 2017-6pm EST Nov 24, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database