Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

77°F

25°C

Humidity 57%
Wind Speed Vrbl 6 G 13 mph
Barometer 30.12 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Jun 6:55 pm EDT
Extended Forecast for

Decatur TNSimilar City Names

  • Tonight

    Tonight: Widespread fog, mainly after 4am.  Otherwise, mostly clear, with a low around 58. North wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Clear then
    Fog

  • Wednesday

    Wednesday: Widespread fog, mainly before 8am.  Otherwise, sunny, with a high near 83. Calm wind.

    High: 83 °F

    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am.  Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am.  Partly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Widespread fog, mainly after 4am. Otherwise, mostly clear, with a low around 58. North wind around 5 mph becoming calm in the evening.
Wednesday
Widespread fog, mainly before 8am. Otherwise, sunny, with a high near 83. Calm wind.
Wednesday Night
Partly cloudy, with a low around 62. Calm wind.
Thursday
Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 69. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur TNSimilar City Names
 35.52°N 84.79°W (Elev. 778 ft)
7:06 pm EDT Jun 23, 2026
7pm EDT Jun 23, 2026-6pm EDT Jun 30, 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