Flooding Threat Continues in Portions of Texas; Poor Air Quality in the Great Lakes through the Mid-Atlantic

Widespread life-threatening flash and urban flooding continues in south-central Texas, with considerable flooding impacts possible across central Texas. Wildfire smoke is impacting air quality across much of the Great Lakes region into southern New England and the Mid-Atlantic. Monsoonal thunderstorms may produce isolated to scattered flash flooding across the Southwest into the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

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

Mostly Cloudy

76°F

24°C

Humidity 94%
Wind Speed S 6 mph
Barometer 30.12 in (1018.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 17 Jul 6:53 am EDT
Detailed forecast for

Knox County

Today
Mostly sunny. A slight chance of showers this morning. A chance of showers and thunderstorms early this afternoon, then showers and thunderstorms likely late. Highs in the lower 90s. Light winds. Chance of rain 60 percent.
Tonight
Mostly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Light winds. Chance of rain 40 percent.
Saturday
A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Light winds. Chance of rain 70 percent.
Saturday Night
Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Light winds. Chance of rain 70 percent.
Sunday
Partly sunny. A chance of showers and thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Light winds. Chance of rain 80 percent.
Sunday Night
Partly cloudy. Lows in the lower 70s.
Monday
Sunny. Highs in the upper 80s.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s.
Tuesday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent.
Tuesday Night
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 50 percent.
Wednesday
Mostly 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. Chance of rain 30 percent.
Wednesday Night
Mostly clear. Lows in the upper 60s.
Thursday
Sunny. Highs in the mid 80s.



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706 AM EDT Fri Jul 17 2026
 
 

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