Current conditions at
Knoxville, McGhee Tyson Airport (KTYS)
Lat: 35.82°NLon: 83.99°WElev: 981ft.
Overcast
81°F
27°C
| Humidity | 67% |
| Wind Speed | SW 13 G 17 mph |
| Barometer | 29.93 in (1012.1 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 11 Sep 9:53 pm EDT |
Extended Forecast for
Louisville TN
Tonight
Low: 71 °F
Mostly Cloudy
then Slight
Chance
ShowersSaturday
High: 85 °F
Showers
LikelySaturday Night
Low: 69 °F
Chance
T-storms then
Chance
ShowersSunday
High: 89 °F
Slight Chance
ShowersSunday Night
Low: 68 °F
Mostly Clear
Monday
High: 90 °F
Hot
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 92 °F
Hot
Tuesday Night
Low: 67 °F
Mostly Clear
Detailed Forecast
Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 89. Heat index values as high as 98. Calm wind.
Sunday Night
Mostly clear, with a low around 68. Calm wind.
Monday
Sunny and hot, with a high near 90. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 66. Northeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny and hot, with a high near 91.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Louisville TN
35.83°N 84.04°W (Elev. 863 ft)
35.83°N 84.04°W (Elev. 863 ft)
7:06 pm EDT Sep 11, 2026
10pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
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