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°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

76°F

24°C

Humidity	91%
Wind Speed	SW 6 mph
Barometer	30.00 in (1014.6 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	26 Jul 7:53 am EDT

More Information:

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

Extended Forecast for

6 Miles E Knoxville TN

Today
High: 89 °F
Slight Chance
T-storms then
Mostly Sunny
Tonight
Low: 71 °F
Partly Cloudy
Monday
High: 90 °F
Slight Chance
T-storms
Monday Night
Low: 74 °F
Partly Cloudy
Tuesday
High: 92 °F
Slight Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 72 °F
Showers
Likely
Wednesday
High: 87 °F
Slight Chance
Showers
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 87 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms, mainly between 10am and 11am. Partly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming north around 5 mph.

Tonight

Partly cloudy, with a low around 71. Calm wind.

Monday

A 20 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming southwest around 5 mph.

Monday Night

Cloudy during the early evening, then becoming partly cloudy, with a low around 74. Calm wind becoming southwest around 5 mph after midnight.

Tuesday

Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 92. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Wednesday

A slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 66.

Thursday

Sunny, with a high near 87.

Thursday Night

Mostly clear, with a low around 66.

Friday

Mostly sunny, with a high near 88.

Friday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 69.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.