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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

87°F

31°C

Humidity 51%
Wind Speed Calm
Barometer 30.06 in (1017.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Aug 11:53 am EDT
Extended Forecast for

2 Miles NE Signal Mountain TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 96. Northeast wind around 5 mph becoming southwest.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Northwest wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Northwest wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Northwest wind around 5 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 96. Northeast wind around 5 mph becoming southwest.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.
Friday Night
Mostly clear, with a low around 66. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 85. Northwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Signal Mountain TN
 35.14°N 85.32°W (Elev. 1916 ft)
Last Update:
8:16 am EDT Aug 20, 2026
Forecast Valid:
12pm EDT Aug 20, 2026-6pm EDT Aug 26, 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