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.

Mostly Cloudy

70°F

21°C

Humidity 68%
Wind Speed Calm
Barometer 30.07 in (1017.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 May 9:53 pm EDT
Extended Forecast for

Signal Mountain TN

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

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

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind around 5 mph becoming calm after midnight.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. South wind around 5 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 90%.

    High: 85 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Calm wind.
Sunday
Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 65. South wind around 5 mph becoming calm after midnight.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 85. South wind around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Chance of precipitation is 80%.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Signal Mountain TN
 35.12°N 85.35°W (Elev. 1683 ft)
Last Update:
7:06 pm EDT May 16, 2026
Forecast Valid:
10pm EDT May 16, 2026-6pm EDT May 23, 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