Sunday Brings Heat Relief For Some; Flash Flood Threat Along Cold Front

A cold front shifting across the Central Plains, Midwest, Great Lakes and Northeast on Sunday will bring some relief from the heat with cooler and drier air. Excessive heat holds Sunday roughly south of I-70. Heavy rain from thunderstorms along the front may bring flash flooding. 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

76°F

24°C

Humidity	88%
Wind Speed	SW 8 mph
Barometer	30.03 in (1015.6 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	20 Jul 10:53 pm EDT

More Information:

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

Detailed forecast for

Jefferson County

Rest Of Tonight

Mostly cloudy. Lows in the lower 70s. Light winds.

Sunday

Partly sunny. A slight chance of showers in the morning and early afternoon. A slight chance of thunderstorms early in the afternoon, then a chance of showers and thunderstorms late. Highs in the upper 80s. Southwest winds 10 mph or less. Chance of rain 30 percent.

Sunday Night

Mostly cloudy. Scattered showers and isolated thunderstorms. Lows in the lower 70s. Light winds. Chance of rain 40 percent.

Monday

Numerous showers and isolated thunderstorms in the morning, then periods of showers and scattered thunderstorms in the afternoon. Highs in the mid 80s. Temperature steady or slowly falling in the afternoon. Southwest winds 10 mph or less. Chance of rain 80 percent.

Monday Night

Showers and a chance of thunderstorms in the evening, then showers and a slight chance of thunderstorms after midnight. Lows in the upper 60s. West winds 10 mph or less. Chance of rain 80 percent.

Tuesday

Mostly cloudy with showers likely and a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 60 percent.

Tuesday Night

Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 50s.

Wednesday

Sunny. Highs around 80.

Wednesday Night

Mostly clear. Lows in the upper 50s.

Thursday

Sunny. Highs in the mid 80s.

Thursday Night

Partly cloudy. Lows in the mid 60s.