Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

97°F

36°C

Humidity	56%
Wind Speed	E 6 mph
Barometer	30.07 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	115°F (46°C)
Last update	3 Jul 3:15 pm EDT

More Information:

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

Extended Forecast for

Mascot TN

Heat Advisory July 3, 03:38pm until July 4, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 3, 03:38pm until July 4, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 97 °F
Chance
T-storms
Tonight
Low: 73 °F
Slight Chance
T-storms then
Partly Cloudy
Independence Day
High: 96 °F
Hot
Saturday Night
Low: 73 °F
Slight Chance
T-storms then
Slight Chance
Showers
Sunday
High: 94 °F
Sunny then
Chance
T-storms
Sunday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Monday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Monday Night
Low: 72 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind.

Tonight

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Calm wind.

Independence Day

Sunny and hot, with a high near 96. Heat index values as high as 106. Calm wind.

Saturday Night

A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.

Sunday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Calm wind becoming southwest around 5 mph.

Sunday Night

A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind.

Monday

A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 40%.

Tuesday Night

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

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Wednesday Night

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

Thursday

A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.