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

Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

45°F

7°C

Humidity 71%
Wind Speed E 5 mph
Barometer 30.09 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 1 Dec 7:35 pm EST
Extended Forecast for

Decatur TN

  • Tonight

    Tonight: Rain, mainly after 8pm. Patchy fog before 1am, then patchy fog after 4am. Low around 39. Light south wind becoming southwest 5 to 10 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain likely, mainly before 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 44. West wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain Likely
    and Patchy
    Fog then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

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

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 50 percent chance of rain. Cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 8pm. Patchy fog before 1am, then patchy fog after 4am. Low around 39. Light south wind becoming southwest 5 to 10 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely, mainly before 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 44. West wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Partly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 49. Calm wind.
Wednesday Night
Partly cloudy, with a low around 28. Calm wind.
Thursday
Mostly cloudy, with a high near 48. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31. Calm wind.
Friday
A 50 percent chance of rain. Cloudy, with a high near 47.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 53.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 50.
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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 pm EST Dec 1, 2025
Forecast Valid:
7pm EST Dec 1, 2025-6pm EST Dec 8, 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