Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

84°F

29°C

Humidity 48%
Wind Speed Vrbl 6 mph
Barometer 30.21 in (1021.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 May 12:53 pm EDT
Extended Forecast for

5 Miles NNE Louisville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 66 °F

    Partly Cloudy

  • 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 southwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 82. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 90%.

    High: 82 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 83. Chance of precipitation is 90%.

    High: 83 °F

    Showers
    Likely then
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 66. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm after midnight.
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 southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 82. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Chance of precipitation is 80%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Louisville TN
 35.9°N 84.03°W (Elev. 951 ft)
7:06 am EDT May 18, 2026
1pm 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