Hot temperatures across the west; southeast

Heat and humidity will impact the southeast early this week. Heat indices over 100 degrees are expected from the Texas Gulf Coast to the Florida Panhandle, into the lower Mississippi Valley and portions of Alabama and Georgia. Excessive heat will return to the Desert Southwest Monday and persist through the week. Temperatures over 100 will also expand to the Intermountain West.
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Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Partly Cloudy

85°F

29°C

Humidity 39%
Wind Speed SW 9 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 26 Jun 1:56 pm EDT
Extended Forecast for

Mechanicsburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind 5 to 9 mph.

    Mostly Clear

    Low: 63 °F

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 82. South wind 3 to 6 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Chance
    T-storms

    High: 82 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 3am.  Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 67 °F

  • Tuesday

    Tuesday: A slight chance of showers between 9am and 3pm, then scattered showers and thunderstorms after 3pm.  Partly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Scattered
    Showers

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms before 3am.  Mostly cloudy, with a low around 62. Northwest wind around 6 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Scattered
    Showers

    Low: 62 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Thursday

    Thursday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 63. South wind 5 to 9 mph.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. South wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers between 9am and 3pm, then scattered showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers and thunderstorms before 3am. Mostly cloudy, with a low around 62. Northwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 63.
Friday
A chance of showers and thunderstorms after 9am. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Mechanicsburg PA
 40.2°N 77°W (Elev. 476 ft)
2:24 pm EDT Jun 26, 2016
3pm EDT Jun 26, 2016-6pm EDT Jul 3, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database