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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 28 Aug 7:15 am EDT
Extended Forecast for

5 Miles SSE Decatur TN

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming northeast around 5 mph.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Tonight

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

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming northeast around 5 mph.
Tonight
Mostly clear, with a low around 67. Calm wind.
Saturday
Sunny and hot, with a high near 90. Calm wind.
Saturday Night
Partly cloudy, with a low around 69. Calm wind.
Sunday
Mostly sunny, with a high near 89. Calm wind.
Sunday Night
Partly cloudy, with a low around 69. Calm wind.
Monday
Mostly sunny and hot, with a high near 91. Calm wind.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Thursday
A 30 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:
5 Miles SSE Decatur TN
 35.45°N 84.77°W (Elev. 951 ft)
Last Update:
7:06 am EDT Aug 28, 2026
Forecast Valid:
7am EDT Aug 28, 2026-6pm EDT Sep 3, 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