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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

41°F

5°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 6 Dec 7:35 am EST
Extended Forecast for

Decatur TN

  • Today

    Today: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 52. Calm wind becoming southwest around 5 mph.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 45. North wind around 5 mph.

    High: 45 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 51. Calm wind.
Tonight
Increasing clouds, with a low around 30. Calm wind.
Sunday
Mostly cloudy, with a high near 52. Calm wind becoming southwest around 5 mph.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 37. Calm wind.
Monday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 45. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 26. Calm wind.
Tuesday
Mostly sunny, with a high near 50. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 32.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 52.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur TN
 35.54°N 84.81°W (Elev. 682 ft)
Last Update:
6:06 am EST Dec 6, 2025
Forecast Valid:
7am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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