Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fog/Mist

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 73°F (23°C)
Visibility 4.00 mi
Last update 25 Jul 12:55 am EDT
Extended Forecast for

3 Miles NNE Decatur TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers before 2pm, then a slight chance of showers and thunderstorms after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind.  Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am.  Partly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 30%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 98. Calm wind.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. Calm wind.
Saturday
A chance of showers before 2pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 98. Calm wind. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
Mostly sunny and hot, with a high near 92. Calm wind.
Monday Night
Partly cloudy, with a low around 72. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny and hot, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny and hot, with a high near 90.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Decatur TN
 35.56°N 84.76°W (Elev. 738 ft)
1:06 am EDT Jul 25, 2026
1am EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
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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