Critical Fire Weather in the West; Monitoring Tropical Storm Erin

Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin, interior Northwest, and Rockies Thursday. Red Flag Warnings have been issued. While there is still uncertainty in what impacts might occur to the U.S. east coast next week, the risk of dangerous surf and rip currents across the western Atlantic basin is increasing. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 13 Aug 11:35 pm EDT
Extended Forecast for

3 Miles NNE Decatur TN

  • Overnight

    Overnight: A chance of showers and thunderstorms.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after noon.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 88. Heat index values as high as 96. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 11pm.  Patchy fog between midnight and 2am.  Otherwise, partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after noon. Patchy fog before 10am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 96. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms before 11pm. Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 70. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind.
Friday Night
Partly cloudy, with a low around 71. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Sunny and hot, with a high near 94.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Decatur TN
 35.56°N 84.76°W (Elev. 738 ft)
7:07 pm EDT Aug 13, 2025
12am EDT Aug 14, 2025-6pm EDT Aug 20, 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