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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

33°F

1°C

Humidity 58%
Wind Speed Calm
Barometer 30.27 in (1025.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 18 Mar 3:53 am EDT
Extended Forecast for

Signal Mountain TN

  • Today

    Today: Partly sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Southwest wind around 5 mph becoming calm.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 38. Southwest wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 71.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Signal Mountain TN
 35.12°N 85.32°W (Elev. 853 ft)
Last Update:
2:26 am EDT Mar 18, 2026
Forecast Valid:
4am EDT Mar 18, 2026-6pm EDT Mar 24, 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