Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

101°F

38°C

Humidity 32%
Wind Speed SW 13 G 20 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 2 Jul 3:56 pm EDT
Extended Forecast for

Harrisburg, Capital City Airport PA

Extreme Heat Warning July 2, 04:41pm until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 04:41pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the morning.  Chance of precipitation is 20%.

    High: 101 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 78 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 100. Heat index values as high as 107. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    High: 100 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Northwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny and hot, with a high near 92. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely.  Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 79. West wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 78. West wind 5 to 7 mph becoming calm after midnight.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 107. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 92. 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 2am, then showers likely. Low around 71. Chance of precipitation is 80%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Chance of precipitation is 80%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg, Capital City Airport PA
 40.21°N 76.85°W (Elev. 394 ft)
3:29 pm EDT Jul 2, 2026
4pm EDT Jul 2, 2026-6pm EDT Jul 9, 2026
 
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Additional Resources

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