Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82° N Lon: 83.99° W Elev: 981 ft.

Mostly Cloudy

74°F

23°C

Humidity 82%
Wind Speed SW 9 mph
Barometer 29.99 in (1014.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 21 Sep 7:53 am EDT
Detailed forecast for

Knox County

Today
Mostly sunny. A slight chance of showers and thunderstorms early this afternoon. A chance of showers and thunderstorms late. Highs in the lower 90s. Light winds. Chance of rain 40 percent.
Tonight
Mostly cloudy. A chance of showers and thunderstorms until early morning, then a slight chance of showers late. Lows in the upper 60s. Light winds. Chance of rain 50 percent.
Tuesday
Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Temperature falling into the upper 70s in the afternoon. Light winds. Chance of rain 50 percent.
Tuesday Night
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Light winds. Chance of rain 70 percent.
Wednesday
Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 80. Light winds. Chance of rain 90 percent.
Wednesday Night
Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 70 percent.
Thursday
Mostly sunny. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
Thursday Night
Partly cloudy. Lows in the upper 50s.
Friday
Mostly sunny. Highs in the upper 70s.
Friday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s.
Saturday
Sunny. Highs in the mid 70s.
Saturday Night
Partly cloudy. Lows in the lower 50s.
Sunday
Mostly sunny. Highs in the upper 70s.



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658 AM EDT Mon Sep 21 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database