Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

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

Overcast

75°F

24°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.01 in (1014.8 mb)
Dewpoint 74°F (23°C)
Visibility 3.00 mi
Last update 22 Jul 11:53 pm EDT
Detailed forecast for

Knox County

Rest Of Tonight
Mostly cloudy. A chance of showers with a slight chance of thunderstorms, then a chance of showers late. Lows in the upper 60s. Light winds. Chance of rain 50 percent.
Thursday
Partly sunny with a slight chance of showers in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Light winds. Chance of rain 20 percent.
Thursday Night
Mostly cloudy. A chance of showers late. Lows in the upper 60s. Light winds. Chance of rain 50 percent.
Friday
Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Light winds. Chance of rain 50 percent.
Friday Night
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 70. Light winds. Chance of rain 50 percent.
Saturday
Showers likely with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
Saturday Night
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 50 percent.
Sunday
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. Chance of rain 30 percent.
Sunday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 20 percent.
Monday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
Monday Night
Partly cloudy in the evening, then mostly clear with a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent.
Tuesday
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.
Tuesday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 70s. Chance of rain 20 percent.
Wednesday
Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.



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1147 PM EDT Wed Jul 22 2026
 
 

Additional Resources

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