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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

53°F

12°C

Humidity 41%
Wind Speed S 5 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 1 Jan 6:53 pm EST
Extended Forecast for

Signal Mountain TN

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind 5 to 10 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 53. Southwest wind around 5 mph.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 7pm. Low around 46. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 51. Northeast wind around 5 mph.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Northwest wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 49. North wind around 5 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. North wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. West wind 5 to 10 mph.
Friday
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 53. Southwest wind around 5 mph.
Friday Night
Showers, mainly after 7pm. Low around 46. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 51. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 36. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 49. North wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 35. North wind around 5 mph.
Monday
Sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 61.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Signal Mountain TN
 35.14°N 85.32°W (Elev. 1916 ft)
Last Update:
6:06 pm EST Jan 1, 2026
Forecast Valid:
7pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
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Additional Resources

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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