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

Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Mostly Cloudy

82°F

28°C

Humidity 66%
Wind Speed Vrbl 5 mph
Barometer 30.18 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 5 Aug 3:55 pm EDT
Extended Forecast for

3 Miles SW Decatur TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 83. Calm wind.

    High: 83 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 83. Calm wind.
Tonight
A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 68. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 87. Calm wind.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Decatur TN
 35.5°N 84.82°W (Elev. 764 ft)
Last Update:
1:37 pm EDT Aug 5, 2025
Forecast Valid:
4pm EDT Aug 5, 2025-6pm EDT Aug 12, 2025
 
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