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

Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 24 Sep 1:55 am EDT
Extended Forecast for

5 Miles WSW Decatur TN

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 85 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Patchy fog between 10pm and midnight. Otherwise, cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 80. South wind around 5 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 68. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Patchy fog between 10pm and midnight. Otherwise, cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 80. South wind around 5 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Sunday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Decatur TN
 35.48°N 84.87°W (Elev. 738 ft)
Last Update:
1:31 am EDT Sep 24, 2025
Forecast Valid:
2am EDT Sep 24, 2025-6pm EDT Sep 30, 2025
 
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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