Severe Thunderstorms and Heavy Rain in the Central Plains to Upper Midwest; Extreme Heat in Parts of the South

Thunderstorms with severe wind gusts and hail will be possible today across parts of the central Plains, and from the Missouri Valley into the upper Mississippi Valley. Heavy rain associated with the thunderstorms may also produce flash/urban flooding. Critical fire weather conditions expected in the Great Basin and interior Northwest. Dangerous heat continues across the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

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

Partly Cloudy

82°F

28°C

Humidity	69%
Wind Speed	W 8 mph
Barometer	30.10 in (1018.0 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	8 Jul 11:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Knox County

Today

Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Light winds. Chance of rain 50 percent.

Tonight

Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Partly cloudy with a slight chance of showers late. Lows around 70. Light winds. Chance of rain 40 percent.

Thursday

Mostly sunny. Showers likely with a chance of thunderstorms. Humid with highs in the upper 80s. Southwest winds 10 mph or less. Chance of rain 60 percent.

Thursday Night

Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. Southwest winds 10 mph or less. Chance of rain 50 percent.

Friday

Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Friday Night

Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 70 percent.

Saturday

Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 90 percent.

Saturday Night

Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 50 percent.

Sunday

Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.

Sunday Night

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent.

Monday

Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Monday Night

Partly cloudy. Lows in the upper 60s.

Tuesday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.