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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

86°F

30°C

Humidity 55%
Wind Speed W 3 mph
Barometer 29.97 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 22 Aug 7:35 pm EDT
Extended Forecast for

3 Miles SE Spring City TN

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 88. Calm wind becoming northwest around 5 mph.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. Calm wind.
Sunday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 88. Calm wind becoming northwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 64. Calm wind.
Monday
Mostly sunny, with a high near 88. Calm wind.
Monday Night
Partly cloudy, with a low around 65. Calm wind.
Tuesday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 88. Calm wind.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 10%.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Spring City TN
 35.65°N 84.8°W (Elev. 827 ft)
Last Update:
7:06 pm EDT Aug 22, 2026
Forecast Valid:
8pm EDT Aug 22, 2026-6pm EDT Aug 29, 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