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

Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 22 Jun 12:55 am EDT
Extended Forecast for

5 Miles W Decatur TN

  • Overnight

    Overnight: A 10 percent chance of showers after 4am. Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph.

    Low: 72 °F

    Slight Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms, mainly after 2pm. High near 85. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Chance
    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before midnight, then a chance of showers. Low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 10 percent chance of showers after 4am. Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph.
Monday
Showers and thunderstorms, mainly after 2pm. High near 85. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before midnight, then a chance of showers. Low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Decatur TN
 35.52°N 84.87°W (Elev. 682 ft)
Last Update:
7:06 pm EDT Jun 21, 2026
Forecast Valid:
1am EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
Forecast Discussion
 
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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