Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies and Central Plains into the Upper Midwest

Extremely dangerous heat persists through Thursday with widespread daily temperature records. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday, especially in the burn scar areas. Thunderstorms and heavy to excessive rain will continue to bring a flash flood threat from the Central Plains into the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

70°F

21°C

Humidity	100%
Wind Speed	Calm
Barometer	30.21 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	25 Jun 5:55 am EDT

More Information:

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

Extended Forecast for

3 Miles SSW Mascot TN

Heat Advisory June 25, 06:23am until June 25, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 25, 06:23am until June 25, 07:00pm
NOW until 7:00pm Wed
Heat Advisory
Today
High: 96 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 73 °F
Slight Chance
T-storms then
Mostly Cloudy
Thursday
High: 94 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Friday
High: 92 °F
Chance
T-storms then
T-storms
Likely
Friday Night
Low: 71 °F
T-storms
Likely then
Chance
Showers
Saturday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 72 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind.

Tonight

A 20 percent chance of showers and thunderstorms, mainly between 10pm and 11pm. Mostly cloudy, with a low around 73. Calm wind.

Thursday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

Friday

A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 92. Calm wind. Chance of precipitation is 60%.

Friday Night

Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Sunday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%.

Sunday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 60%.

Monday

Showers and thunderstorms likely. Mostly sunny and hot, with a high near 92. Chance of precipitation is 70%.