Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fog/Mist

72°F

22°C

Humidity	100%
Wind Speed	SE 6 mph
Barometer	30.01 in
Dewpoint	72°F (22°C)
Visibility	0.75 mi
Last update	28 Jun 6:35 am EDT

More Information:

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

Extended Forecast for

2 Miles ENE Knoxville TN

Flood Watch June 28, 06:46am until June 28, 11:00am

Flash Flood Warning June 28, 06:46am until June 28, 07:00am

Click here for hazard details and duration

...

Flood Watch June 28, 06:46am until June 28, 11:00am
Flash Flood Warning June 28, 06:46am until June 28, 07:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 86 °F
Showers then
T-storms
Tonight
Low: 72 °F
Showers
Likely then
Partly Cloudy
Monday
High: 91 °F
Slight Chance
T-storms
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 93 °F
Hot
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 95 °F
Hot
Wednesday Night
Low: 74 °F
Slight Chance
T-storms

Detailed Forecast

Today

Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely between 3pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 103. Calm wind.

Monday Night

Mostly clear, with a low around 73. Calm wind.

Tuesday

Sunny and hot, with a high near 93. Calm wind.

Tuesday Night

Mostly clear, with a low around 74. Calm wind.

Wednesday

Sunny and hot, with a high near 95. Calm wind.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 74.

Thursday

Sunny and hot, with a high near 95.