Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

66°F

19°C

Humidity 78%
Wind Speed SW 10 mph
Barometer 29.93 in (1012.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 May 3:53 am EDT
Extended Forecast for

2 Miles WNW Tallassee TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: 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.  Patchy fog before 7am.  Otherwise, partly sunny, with a high near 81. Calm wind becoming west around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe.  Partly sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Some of the storms could be severe.  Low around 66. South wind around 5 mph.  Chance of precipitation is 90%.

    Low: 66 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 8am.  Mostly sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers.  Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Calm wind.
Monday
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. Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. Partly sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 66. South wind around 5 mph. Chance of precipitation is 90%.
Wednesday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 55.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 65.
Thursday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Tallassee TN
 35.56°N 83.98°W (Elev. 1266 ft)
2:58 am EDT May 18, 2025
4am EDT May 18, 2025-6pm EDT May 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database