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 >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

45°F

7°C

Humidity 81%
Wind Speed SW 10 mph
Barometer 30.06 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 7 Dec 1:15 pm EST
Extended Forecast for

Decatur TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 48. Calm wind becoming north around 5 mph in the morning.

    High: 48 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. North wind around 5 mph becoming calm.

    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 afternoon.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. Calm wind.
Tonight
A 30 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 38. Calm wind.
Monday
Mostly cloudy, with a high near 48. Calm wind becoming north around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 26. North wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 50. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 35. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 56. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 50.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur TN
 35.54°N 84.81°W (Elev. 682 ft)
Last Update:
12:46 pm EST Dec 7, 2025
Forecast Valid:
1pm EST Dec 7, 2025-6pm EST Dec 13, 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