Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. 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

77°F

25°C

Humidity	77%
Wind Speed	SW 12 mph
Barometer	30.04 in (1015.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	10 Jul 7:53 am EDT

More Information:

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

Detailed forecast for

Knox County

Today

A chance of showers and thunderstorms this morning, then showers with thunderstorms likely this afternoon. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Tonight

Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows around 70. Southwest winds 5 to 10 mph. Chance of rain near 100 percent.

Saturday

A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely early in the afternoon. A chance of showers and thunderstorms late. Some thunderstorms may produce heavy rainfall. Humid with highs in the mid 80s. Southwest winds 10 mph or less. Chance of rain 90 percent.

Saturday Night

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the upper 60s. Light winds. Chance of rain 60 percent.

Sunday

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. Light winds. Chance of rain 70 percent.

Sunday Night

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

Monday

Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.

Monday Night

Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent.

Tuesday

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

Tuesday Night

Partly cloudy. Lows in the upper 60s.

Wednesday

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

Wednesday Night

Mostly clear. Lows in the lower 70s.

Thursday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent.