
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 Chill | 16°F (-9°C) |
| Last update | 30 Dec 5:53 am EST |
Extended Forecast for
Signal Mountain TN
Today

High: 35 °F
Becoming
SunnyTonight

Low: 25 °F
Mostly Clear
Wednesday

High: 45 °F
Sunny
Wednesday Night

Low: 30 °F
Mostly Clear
New Year's Day

High: 50 °F
Sunny
Thursday Night

Low: 36 °F
Mostly Cloudy
Friday
High: 52 °F
Mostly Cloudy
then Chance
ShowersFriday Night

Low: 46 °F
Showers
Saturday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Signal Mountain TN
35.12°N 85.35°W (Elev. 1683 ft)
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



