Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken 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.

Overcast

83°F

28°C

Humidity	67%
Wind Speed	NW 9 mph
Barometer	30.00 in (1014.6 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	26 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

Partly sunny. A slight chance of showers and thunderstorms this morning. Highs in the upper 80s. Light winds. Chance of rain 20 percent.

Tonight

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

Monday

Mostly sunny. A slight chance of showers and thunderstorms in the morning and early afternoon. Humid with highs around 90. Light winds. Chance of rain 20 percent.

Monday Night

Partly cloudy. Lows in the mid 70s. Southwest winds 10 mph or less.

Tuesday

Mostly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Tuesday Night

Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 50 percent.

Wednesday

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

Wednesday Night

Mostly clear. Lows in the mid 60s.

Thursday

Sunny. Highs in the mid 80s.

Thursday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

Friday

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

Friday Night

Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 20 percent.

Saturday

Partly 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.