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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

73°F

23°C

Humidity 78%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Jun 8:35 pm EDT
Extended Forecast for

Knoxville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm, mainly before 2pm, then showers and thunderstorms after 2pm. High near 84. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 84 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 68 °F

    T-storms then
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind.
Saturday Night
Partly cloudy, with a low around 65. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm, mainly before 2pm, then showers and thunderstorms after 2pm. High near 84. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday Night
Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
Last Update:
7:06 pm EDT Jun 19, 2026
Forecast Valid:
8pm EDT Jun 19, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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