Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

73°F

23°C

Humidity 84%
Wind Speed Calm
Barometer 29.99 in (1014.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 27 Aug 2:53 am EDT
Extended Forecast for

Chattanooga TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 93. Heat index values as high as 101. Calm wind.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

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

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. Calm wind.
Thursday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 93. Heat index values as high as 101. Calm wind. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 70. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind.
Friday Night
Partly cloudy, with a low around 68. Calm wind.
Saturday
Sunny and hot, with a high near 92. Calm wind.
Saturday Night
Partly cloudy, with a low around 70. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Chattanooga TN
 35.07°N 85.27°W (Elev. 659 ft)
2:26 am EDT Aug 27, 2026
3am EDT Aug 27, 2026-6pm EDT Sep 2, 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