Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

91°F

33°C

Humidity 54%
Wind Speed W 7 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 12 Aug 3:53 pm EDT
Extended Forecast for

South Pittsburg TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 91. Heat index values as high as 99. West wind around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 1pm and 3pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 102. Calm wind becoming west around 5 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 94. Calm wind becoming west around 5 mph.

    High: 94 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Calm wind.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. West wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind.
Thursday
A slight chance of showers and thunderstorms between 1pm and 3pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 102. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 74. Calm wind.
Friday
Sunny and hot, with a high near 94. Calm wind becoming west around 5 mph.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
Sunny and hot, with a high near 95. Calm wind.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
South Pittsburg TN
 35.01°N 85.72°W (Elev. 689 ft)
1:25 pm CDT Aug 12, 2026
3pm CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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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