Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Overcast

28°F

-2°C

Humidity 58%
Wind Speed NW 16 G 23 mph
Barometer 30.25 in (1024.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 30 Dec 5:53 am EST
Extended Forecast for

Signal Mountain TN

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 35 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 45. West wind around 5 mph.

    High: 45 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. West wind around 5 mph.

    Low: 30 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 50. Calm wind becoming west around 5 mph in the afternoon.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 1pm.  Mostly cloudy, with a high near 52. Calm wind becoming south around 5 mph in the afternoon.

    High: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers.  Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 25. West wind around 5 mph.
Wednesday
Sunny, with a high near 45. West wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 30. West wind around 5 mph.
New Year's Day
Sunny, with a high near 50. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 36. Calm wind.
Friday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 52. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Showers. Low around 46. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 54.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Signal Mountain TN
 35.12°N 85.35°W (Elev. 1683 ft)
6:06 am EST Dec 30, 2025
6am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database