Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >

Current conditions at

Danbury, Danbury Municipal Airport (KDXR)

Lat: 41.37°NLon: 73.48°WElev: 456ft.

Fair

76°F

24°C

Humidity 74%
Wind Speed W 3 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 4 Jul 12:53 am EDT
Extended Forecast for

Danbury CT

Extreme Heat Warning July 4, 01:12am until July 4, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 4, 01:12am until July 4, 09:00pm

    NOW until 9:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 76 °F

    Mostly Clear

  • Independence Day

    Independence Day: Scattered showers and thunderstorms after 2pm.  Increasing clouds, with a high near 94. Heat index values as high as 100. Northwest wind 5 to 8 mph.  Chance of precipitation is 50%.

    High: 94 °F

    Sunny then
    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers.  Partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 62. Light southeast wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 75. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Light west wind.
Independence Day
Scattered showers and thunderstorms after 2pm. Increasing clouds, with a high near 94. Heat index values as high as 100. Northwest wind 5 to 8 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Danbury CT
 41.38°N 73.46°W (Elev. 499 ft)
11:18 pm EDT Jul 3, 2026
1am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database