Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Mostly Cloudy

81°F

27°C

Humidity 74%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Aug 10:15 am EDT
Extended Forecast for

6 Miles WSW Decatur TN

  • Today

    Today: Showers and thunderstorms likely, mainly between 3pm and 5pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming north around 5 mph in the afternoon.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. North wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy

  • Friday

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

    High: 89 °F

    Mostly 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 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 3pm and 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 71. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 70. North wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Calm wind.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Decatur TN
 35.48°N 84.87°W (Elev. 738 ft)
9:57 am EDT Aug 20, 2025
10am EDT Aug 20, 2025-6pm EDT Aug 26, 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