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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Jun 2:15 am EDT
Extended Forecast for

6 Miles SW Mascot TN

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers likely, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Showers
    Likely then
    Mostly Sunny

  • Friday Night

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

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.

    High: 86 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 84. Breezy. Chance of precipitation is 90%.

    High: 84 °F

    Breezy.
    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Chance of precipitation is 90%.

    Low: 67 °F

    T-storms then
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind.
Juneteenth
Showers likely, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.
Saturday Night
Partly cloudy, with a low around 64. Calm wind.
Sunday
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. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 84. Breezy. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Chance of precipitation is 90%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Mascot TN
 36°N 83.83°W (Elev. 860 ft)
Last Update:
1:06 am EDT Jun 19, 2026
Forecast Valid:
2am EDT Jun 19, 2026-6pm EDT Jun 25, 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