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

Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

74°F

23°C

Humidity 82%
Wind Speed S 5 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 27 Aug 1:53 am EDT
Extended Forecast for

South Pittsburg TN

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming north around 5 mph.

    High: 90 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. North wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 69. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Friday
Areas of fog before 9am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 91. Calm wind.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Sunny and hot, with a high near 91.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 91.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Pittsburg TN
 35.01°N 85.72°W (Elev. 689 ft)
Last Update:
12:06 am CDT Aug 27, 2026
Forecast Valid:
1am CDT Aug 27, 2026-6pm CDT Sep 2, 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