Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

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

Overcast

79°F

26°C

Humidity	67%
Wind Speed	Calm
Barometer	29.94 in (1012.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	31 Jul 9:53 pm EDT

More Information:

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

Detailed forecast for

Knox County

Tonight

Mostly cloudy. Lows in the upper 60s. Light winds.

Saturday

Mostly cloudy in the morning, then becoming partly sunny. Showers likely with a chance of thunderstorms. Highs in the mid 80s. South winds 10 mph or less. Chance of rain 70 percent.

Saturday Night

Showers with a chance of thunderstorms until early morning, then a chance of showers late. Lows in the lower 70s. Southwest winds 10 mph or less. Chance of rain 90 percent.

Sunday

Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds 5 to 15 mph. Chance of rain 60 percent.

Sunday Night

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 60s. Light winds. Chance of rain 30 percent.

Monday

Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

Monday Night

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

Tuesday

Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

Tuesday Night

Partly cloudy. Lows in the upper 60s.

Wednesday

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

Wednesday Night

Partly cloudy. Lows around 70.

Thursday

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent.

Thursday Night

Partly cloudy. Lows in the lower 70s.

Friday

Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent.