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

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

81°F

27°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 30.06 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 27 Jun 3:35 pm EDT
Extended Forecast for

3 Miles SSE Mascot TN

Flood Watch June 27, 08:00pm until June 28, 11:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers

  • Sunday

    Sunday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 87. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

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

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 87. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. 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.
Wednesday
Sunny and hot, with a high near 93.
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 94.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Friday
Mostly sunny and hot, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mascot TN
 36.04°N 83.74°W (Elev. 902 ft)
Last Update:
2:26 pm EDT Jun 27, 2026
Forecast Valid:
4pm EDT Jun 27, 2026-6pm EDT Jul 4, 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