Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Overcast

72°F

22°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.23 in (1022.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 6 Aug 2:53 am EDT
Extended Forecast for

Signal Mountain TN

  • Overnight

    Overnight: Partly cloudy, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 66. Calm wind becoming northwest around 5 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 66. Calm wind becoming south around 5 mph.

    Low: 66 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 81.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. Southwest wind around 5 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Calm wind.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Calm wind becoming northwest around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66. Calm wind becoming south around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 66. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 68.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Signal Mountain TN
 35.14°N 85.32°W (Elev. 1916 ft)
1:46 am EDT Aug 6, 2025
3am EDT Aug 6, 2025-6pm EDT Aug 12, 2025
 
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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