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.

Fair

48°F

9°C

Humidity 58%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 25 Mar 7:35 am EDT
Extended Forecast for

Watts Bar Dam TN

  • Today

    Today: Mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: 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 81. South 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 56. Southwest wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers after 2pm.  Mostly sunny, with a high near 80. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 80 °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 62. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Saturday Night

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

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 56. Southwest wind around 5 mph.
Friday
A 50 percent chance of showers after 2pm. Mostly sunny, with a high near 80. 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 62. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Watts Bar Dam TN
 35.63°N 84.78°W (Elev. 741 ft)
7:06 am EDT Mar 25, 2026
7am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database