Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed W 6 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 5 Jul 4:56 am EDT
Extended Forecast for

3 Miles S New Cumberland PA

Flood Watch July 5, 02:00pm until July 6, 08:00pm
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: A slight chance of showers.  Partly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe and produce heavy rainfall.  Partly sunny, with a high near 89. Light and variable wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe and produce heavy rainfall.  Low around 70. Northeast wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 70 °F

    Severe
    Thunderstorms
    then Heavy
    Rain

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 77. East wind 5 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 5am, then showers likely.  Low around 67. East wind 7 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe and produce heavy rainfall. Partly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe and produce heavy rainfall. Low around 70. Northeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers and possibly a thunderstorm. High near 77. East wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 5am, then showers likely. Low around 67. East wind 7 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S New Cumberland PA
 40.19°N 76.86°W (Elev. 741 ft)
5:10 am EDT Jul 5, 2026
5am EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
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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