Dangerous Heat and Possible Flooding
Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >
Hazardous Weather Conditions
Current conditions at
Knoxville, McGhee Tyson Airport (KTYS)
Lat: 35.82°NLon: 83.99°WElev: 981ft.
A Few Clouds
72°F
22°C
| Humidity | 94% |
| Wind Speed | SE 5 mph |
| Barometer | 30.01 in (1014.9 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 4:53 am EDT |
Extended Forecast for
5 Miles N Louisville TN
Today
High: 89 °F
Decreasing
CloudsTonight
Low: 67 °F
Mostly Clear
Saturday
High: 91 °F
Hot
Saturday Night
Low: 69 °F
Partly Cloudy
Sunday
High: 91 °F
Hot
Sunday Night
Low: 70 °F
Partly Cloudy
Monday
High: 92 °F
Hot
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 94 °F
Hot
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 67. Northeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 91. Heat index values as high as 96. Northeast wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm.
Sunday
Mostly sunny and hot, with a high near 91. Calm wind.
Sunday Night
Partly cloudy, with a low around 70. Calm wind.
Monday
Sunny and hot, with a high near 92. Calm wind.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles N Louisville TN
35.9°N 84.06°W (Elev. 899 ft)
35.9°N 84.06°W (Elev. 899 ft)
2:26 am EDT Aug 28, 2026
5am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
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