Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Danbury, Danbury Municipal Airport (KDXR)

Lat: 41.37°NLon: 73.48°WElev: 456ft.

Fair

71°F

22°C

Humidity 76%
Wind Speed Calm
Barometer 30.13 in (1019.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 29 Jun 9:53 pm EDT
Extended Forecast for

Danbury CT

Extreme Heat Watch July 1, 12:00pm until July 4, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 89 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 69. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 96. Heat index values as high as 105. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Light southwest wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 105. West wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 75. Light southwest wind.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Clear, with a low around 74.
Friday
Sunny and hot, with a high near 100.
Friday Night
Partly cloudy, with a low around 72.
Independence Day
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 98.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Danbury CT
 41.4°N 73.46°W (Elev. 384 ft)
3:53 pm EDT Jun 29, 2026
10pm EDT Jun 29, 2026-6pm EDT Jul 6, 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