National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

A Few Clouds

63°F

17°C

Humidity 87%
Wind Speed Calm
Barometer 30.10 in (1018.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 1 Oct 5:53 am EDT
Extended Forecast for

Signal Mountain TN

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 73. Calm wind. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 66. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 70%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 73. Calm wind. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Signal Mountain TN
 35.12°N 85.35°W (Elev. 1683 ft)
Last Update:
2:26 am EDT Oct 1, 2026
Forecast Valid:
6am EDT Oct 1, 2026-6pm EDT Oct 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation