Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

43°F

6°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 30.06 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Dec 6:15 pm EST
Extended Forecast for

Decatur TN

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 55. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Calm wind becoming west around 5 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 55. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 44. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 28. Calm wind.
Friday
Sunny, with a high near 57. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 55.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36.
Sunday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur TN
 35.54°N 84.81°W (Elev. 682 ft)
6:25 pm EST Dec 9, 2025
6pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
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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