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

Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to bring summer heat and humidity to several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are forecast for the Northeast and northern Mid-Atlantic today. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

95°F

35°C

Humidity 44%
Wind Speed Vrbl 7 G 17 mph
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Aug 4:15 pm EDT
Extended Forecast for

2 Miles SE Knoxville TN

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Southwest wind around 10 mph.

    Slight Chance
    T-storms

    High: 92 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 72 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms and
    Patchy Fog

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Chance
    T-storms

    Low: 71 °F

  • Friday

    Friday: Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind around 5 mph. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 84 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 70 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Chance
    T-storms

    Low: 68 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

    Chance
    T-storms

    High: 83 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Southwest wind around 10 mph.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind around 5 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
Showers and thunderstorms likely. Cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles SE Knoxville TN
 35.96°N 83.91°W (Elev. 942 ft)
Last Update:
2:35 pm EDT Aug 21, 2019
Forecast Valid:
4pm EDT Aug 21, 2019-6pm EDT Aug 28, 2019
 
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