Dangerous Heat Wave from the Midwest to East Coast; Severe Thunderstorms Across Portions of the Upper Midwest

A dangerous heat wave will persist through this weekend. Widespread warnings and advisories for the heat cover most of the eastern two-thirds of the U.S. Heat indices will surge past 100 degrees and even rise above 110 in many locations. Northwest of this dome of heat, severe thunderstorms with the possibility of strong tornadoes and widespread significant wind damage are possible into tonight. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

87°F

31°C

Humidity 67%
Wind Speed W 3 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 19 Jul 8:53 pm EDT
Extended Forecast for

3 Miles W Chambersburg PA

Heat Advisory July 20, 08:00pm until July 21, 08:00pm
Excessive Heat Warning until July 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 20, 08:00pm

    NOW until
    8:00pm Sat

    Excessive Heat Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 77. West wind around 5 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 77 °F

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the afternoon.

    Hot

    High: 97 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 76. West wind around 5 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 76 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 96. Heat index values as high as 105. West wind 3 to 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 96 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. Light west wind.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 71 °F

  • Monday

    Monday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 85. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    High: 85 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 64 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 81.

    Partly Sunny

    High: 81 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. West wind around 5 mph becoming calm after midnight.
Saturday
Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 76. West wind around 5 mph becoming calm after midnight.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 105. West wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light west wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Wednesday
A chance of thunderstorms. Sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
3 Miles W Chambersburg PA
 39.92°N 77.72°W (Elev. 696 ft)
9:01 pm EDT Jul 19, 2019
9pm EDT Jul 19, 2019-6pm EDT Jul 26, 2019
 
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Additional Resources

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