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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

28°F

-2°C

Humidity 59%
Wind Speed N 9 mph
Barometer 30.23 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 30 Dec 1:35 am EST
Extended Forecast for

2 Miles W Decatur TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 20. North wind around 5 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 39. Northwest wind around 5 mph.

    High: 39 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 52. Calm wind becoming west around 5 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely. Cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 20. North wind around 5 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 39. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 20. Calm wind.
Wednesday
Sunny, with a high near 49. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
New Year's Day
Sunny, with a high near 52. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 31. Calm wind.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 55.
Friday Night
Showers likely. Cloudy, with a low around 43. Chance of precipitation is 70%.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 56.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Decatur TN
 35.52°N 84.84°W (Elev. 702 ft)
Last Update:
1:51 am EST Dec 30, 2025
Forecast Valid:
1am EST Dec 30, 2025-6pm EST Jan 5, 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