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 >
Hazardous Weather Conditions
Current conditions at
Knoxville, McGhee Tyson Airport (KTYS)
Lat: 35.82°NLon: 83.99°WElev: 981ft.
A Few Clouds
70°F
21°C
| Humidity | 87% |
| Wind Speed | NE 3 mph |
| Barometer | 30.21 in (1021.9 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 22 Jun 6:53 am EDT |
Extended Forecast for
Maryville TN
Today
High: 92 °F
Hot
Tonight
Low: 71 °F
Mostly Clear
Monday
High: 93 °F
Hot
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 95 °F
Hot
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 96 °F
Hot
Wednesday Night
Low: 72 °F
Partly Cloudy
Thursday
High: 95 °F
Mostly Sunny
then Slight
Chance
T-storms
Detailed Forecast
Today
Sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind.
Tonight
Mostly clear, with a low around 71. Calm wind.
Monday
Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
Sunny and hot, with a high near 95. Calm wind.
Tuesday Night
Mostly clear, with a low around 73. Calm wind.
Wednesday
Sunny and hot, with a high near 96. Calm wind.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
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:
Maryville TN
35.76°N 83.96°W (Elev. 994 ft)
35.76°N 83.96°W (Elev. 994 ft)
7:16 am EDT Jun 22, 2025
7am EDT Jun 22, 2025-6pm EDT Jun 28, 2025
Additional Resources
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Hourly Weather Forecast
