Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. 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

83°F

28°C

Humidity	65%
Wind Speed	W 13 mph
Barometer	29.73 in (1005.5 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	2 Aug 2:53 pm EDT

More Information:

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

Extended Forecast for

Knoxville TN

This Afternoon
High: 85 °F
Sunny
Tonight
Low: 69 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 84 °F
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms then
Mostly Cloudy
Tuesday
High: 86 °F
Mostly Sunny
then T-storms
Likely
Tuesday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Wednesday
High: 86 °F
Chance
T-storms then
T-storms
Wednesday Night
Low: 71 °F
T-storms then
Slight Chance
T-storms
Thursday
High: 87 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 85. Southwest wind around 10 mph, with gusts as high as 20 mph.

Tonight

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening.

Monday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 69. Calm wind becoming northeast around 5 mph.

Tuesday

Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 86. Calm wind. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

Wednesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%.

Wednesday Night

Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 71. Chance of precipitation is 80%.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.

Friday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.