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

Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Partly Cloudy

59°F

15°C

Humidity 27%
Wind Speed S 10 G 17 mph
Barometer 30.25 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 25 Mar 1:15 am EDT
Extended Forecast for

Watts Bar Dam TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.

    High: 82 °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 40 percent chance of showers after 2pm. Mostly sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 37. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
Mostly sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 57. Southwest wind around 5 mph.
Friday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 37. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
Last Update:
1:06 am EDT Mar 25, 2026
Forecast Valid:
1am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation