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

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

A Few Clouds

76°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 30.10 in (1018.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 30 Jun 5:53 am EDT
Extended Forecast for

3 Miles E Powells Crossroads TN

Heat Advisory June 30, 10:00am until July 2, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.

    High: 91 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 92. Heat index values as high as 95. Calm wind.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93. Calm wind becoming east around 5 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.
Tonight
Mostly clear, with a low around 73. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 92. Heat index values as high as 95. Calm wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 73. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93. Calm wind becoming east around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 91. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Independence Day
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Powells Crossroads TN
 35.17°N 85.43°W (Elev. 1831 ft)
Last Update:
1:26 am CDT Jun 30, 2026
Forecast Valid:
5am CDT Jun 30, 2026-6pm CDT Jul 6, 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