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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

90°F

32°C

Humidity 38%
Wind Speed Vrbl 5 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 31 Jul 3:53 pm EDT
Extended Forecast for

3 Miles WSW Chattanooga TN

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then showers and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 86. Heat index values as high as 96. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am. Low around 71. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

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

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70.

    Low: 70 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. Calm wind.
Saturday
Showers and thunderstorms likely before 10am, then showers and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 86. Heat index values as high as 96. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am. Low around 71. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Chattanooga TN
 35.05°N 85.3°W (Elev. 633 ft)
Last Update:
2:26 pm EDT Jul 31, 2026
Forecast Valid:
4pm EDT Jul 31, 2026-6pm EDT Aug 7, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation