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

Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 30.07 in (1017.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Jul 3:53 am EDT
Extended Forecast for

South Pittsburg TN

Heat Advisory July 3, 02:58am until July 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 3, 02:58am until July 4, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Overnight

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely, mainly between 3pm and 4pm. Increasing clouds and hot, with a high near 94. Heat index values as high as 103. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Friday
Showers and thunderstorms likely, mainly between 3pm and 4pm. Increasing clouds and hot, with a high near 94. Heat index values as high as 103. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Calm wind.
Independence Day
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 72. Calm wind. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
1:26 am CDT Jul 3, 2026
Forecast Valid:
2am CDT Jul 3, 2026-6pm CDT Jul 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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