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

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

73°F

23°C

Humidity 44%
Wind Speed S 7 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 5 May 8:53 pm EDT
Extended Forecast for

Signal Mountain TN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 71. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 71 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 59. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 59 °F

    Heavy Rain

  • Thursday

    Thursday: Showers, mainly before 8am. High near 67. Northwest wind around 5 mph. Chance of precipitation is 80%.

    High: 67 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. North wind around 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Northeast wind around 5 mph becoming south in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly clear, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Showers and possibly a thunderstorm. High near 71. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 59. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers, mainly before 8am. High near 67. Northwest wind around 5 mph. Chance of precipitation is 80%.
Thursday Night
Mostly cloudy, with a low around 47. North wind around 5 mph.
Friday
Mostly sunny, with a high near 69. Northeast wind around 5 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 57.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Monday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 49. Chance of precipitation is 10%.
Tuesday
Sunny, with a high near 71.
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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 5, 2026
Forecast Valid:
9pm EDT May 5, 2026-6pm EDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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