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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

A Few Clouds

86°F

30°C

Humidity 36%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1016.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Sep 2:53 pm EDT
Extended Forecast for

3 Miles SW Chattanooga TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Calm wind.
Tonight
Mostly clear, with a low around 64. Calm wind.
Friday
Sunny and hot, with a high near 90. Calm wind.
Friday Night
Mostly clear, with a low around 65. Calm wind.
Saturday
Sunny and hot, with a high near 90. Calm wind.
Saturday Night
Mostly clear, with a low around 65. Calm wind.
Sunday
Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 89.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Chattanooga TN
 35.05°N 85.3°W (Elev. 633 ft)
Last Update:
1:31 pm EDT Sep 18, 2025
Forecast Valid:
2pm EDT Sep 18, 2025-6pm EDT Sep 24, 2025
 
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