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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

63°F

17°C

Humidity 56%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 25 Mar 9:35 pm EDT
Extended Forecast for

Watts Bar Dam TN

  • Tonight

    Tonight: Partly cloudy, with a low around 51. South wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Southwest wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers after 2pm. Increasing clouds, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Northeast wind around 5 mph becoming calm.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. South wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 57. Southwest wind around 5 mph.
Friday
A 50 percent chance of showers after 2pm. Increasing clouds, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 61. Northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 35. Northeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 79.
Tuesday Night
A 10 percent chance of showers. Mostly cloudy, with a low around 56.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
Last Update:
7:06 pm EDT Mar 25, 2026
Forecast Valid:
9pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation