National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. Rounds of heavy rainfall may cause impactful flash flooding in parts of southern Kansas and Missouri. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

86°F

30°C

Humidity 52%
Wind Speed Vrbl 5 mph
Barometer 30.07 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 25 Jun 3:10 pm EDT
Extended Forecast for

Knoxville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Southwest wind around 5 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and possibly a thunderstorm after 11am. High near 88. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 88 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then showers likely between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 71. Southwest wind around 5 mph. Chance of precipitation is 80%.

    Low: 71 °F

    T-storms then
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny and hot, with a high near 90. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Thunderstorms likely before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 67. Calm wind.
Friday
Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 72. Southwest wind around 5 mph.
Saturday
A slight chance of showers, then showers and possibly a thunderstorm after 11am. High near 88. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then showers likely between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 71. Southwest wind around 5 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny and hot, with a high near 90. Southwest wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
Thunderstorms likely before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
Sunny and hot, with a high near 92.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
Last Update:
2:26 pm EDT Jun 25, 2026
Forecast Valid:
3pm EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation