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.
Partly Cloudy
78°F
26°C
| Humidity | 71% |
| Wind Speed | N 6 mph |
| Barometer | 30.07 in (1017.1 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 28 Aug 9:53 am EDT |
Extended Forecast for
2 Miles SW Mascot TN
Today
High: 88 °F
Mostly Sunny
Tonight
Low: 66 °F
Partly Cloudy
Saturday
High: 90 °F
Hot
Saturday Night
Low: 68 °F
Partly Cloudy
Sunday
High: 91 °F
Hot
Sunday Night
Low: 70 °F
Partly Cloudy
Monday
High: 91 °F
Hot
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 93 °F
Hot
Detailed Forecast
Today
Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph.
Tonight
Partly cloudy, with a low around 66. North wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 90. Northeast wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
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 91. Calm wind.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 93.
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 94.
Wednesday Night
A 20 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 95.
Additional Forecasts and Information
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Point Forecast:
2 Miles SW Mascot TN
36.06°N 83.79°W (Elev. 1001 ft)
36.06°N 83.79°W (Elev. 1001 ft)
7:06 am EDT Aug 28, 2026
10am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
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