Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

A Few Clouds

64°F

18°C

Humidity 88%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 May 5:15 am EDT
Extended Forecast for

4 Miles NE Watts Bar Dam TN

  • Today

    Today: Mostly sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am.  Mostly cloudy during the early evening, then becoming mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 86. Calm wind becoming west around 5 mph.  Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers.  Mostly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 82. Calm wind.  Chance of precipitation is 80%.

    High: 82 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers
    Likely then
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 64. South wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 82. Calm wind. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 61. Chance of precipitation is 80%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 61. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms. Low around 62. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Watts Bar Dam TN
 35.65°N 84.75°W (Elev. 741 ft)
2:26 am EDT May 18, 2026
5am EDT May 18, 2026-6pm EDT May 24, 2026
 
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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