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Severe thunderstorms possible from the upper Midwest to the lower Mississippi Valley

Severe thunderstorms with damaging winds, a few tornadoes and some hail are expected across much of Arkansas and southern Missouri Wednesday. Isolated severe thunderstorms with damaging wind are also expected across Illinois during the day and across the lower Mississippi Valley overnight. Heavy rain with localized flooding is also possible in these areas. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fog/Mist

58°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 29.78 in (1008.6 mb)
Dewpoint 55°F (13°C)
Visibility 2.00 mi
Last update 26 Apr 9:56 am EDT
Extended Forecast for

Mechanicsburg PA

  • Today

    Today: A slight chance of showers before noon.  Patchy fog before noon.  Otherwise, mostly cloudy, with a high near 70. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

    High: 70 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Light southeast wind.

    Partly Cloudy

    Low: 55 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Light southeast wind increasing to 5 to 10 mph in the morning.

    Mostly Sunny

    High: 81 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am.  Mostly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 59 °F

  • Friday

    Friday: Mostly sunny, with a high near 80. West wind 3 to 5 mph.

    Mostly Sunny

    High: 80 °F

  • Friday
    Night

    Friday Night: A chance of showers after 9pm.  Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 60 °F

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 9am.  Mostly cloudy, with a high near 81. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 57 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 9am.  Partly sunny, with a high near 74. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 74 °F

Detailed Forecast

Today
A slight chance of showers before noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 55. Light southeast wind.
Thursday
Mostly sunny, with a high near 81. Light southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80. West wind 3 to 5 mph.
Friday Night
A chance of showers after 9pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 9am. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
A chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Mechanicsburg PA
 40.2°N 77°W (Elev. 476 ft)
9:46 am EDT Apr 26, 2017
10am EDT Apr 26, 2017-6pm EDT May 2, 2017
 
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