Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes
Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >
Current conditions at
Knoxville, McGhee Tyson Airport (KTYS)
Lat: 35.82°NLon: 83.99°WElev: 981ft.
Partly Cloudy
89°F
32°C
| Humidity | 34% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 30.12 in (1018.9 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 21 Jun 4:53 pm EDT |
Extended Forecast for
4 Miles S Louisville TN
Tonight
Low: 69 °F
Mostly Clear
Sunday
High: 91 °F
Hot
Sunday Night
Low: 71 °F
Mostly Clear
Monday
High: 93 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 95 °F
Hot
Tuesday Night
Low: 72 °F
Mostly Clear
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 72 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 69. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind.
Sunday Night
Mostly clear, with a low around 71. Calm wind.
Monday
A 10 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Heat index values as high as 96. Calm wind.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
Sunny and hot, with a high near 95. Calm wind becoming northeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 72. East wind around 5 mph becoming calm.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Louisville TN
35.76°N 84.04°W (Elev. 1099 ft)
35.76°N 84.04°W (Elev. 1099 ft)
4:12 pm EDT Jun 21, 2025
5pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
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