Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

72°F

22°C

Humidity 47%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 12:55 pm EDT
Extended Forecast for

4 Miles ENE Knoxville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind becoming southwest around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Mostly sunny, with a high near 79. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 50. West wind 5 to 10 mph becoming light northwest  after midnight.

    Low: 50 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. North wind around 5 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. North wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Calm wind.
Tonight
Mostly clear, with a low around 55. Calm wind becoming southwest around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 79. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 50. West wind 5 to 10 mph becoming light northwest after midnight.
Thursday
Sunny, with a high near 72. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 47. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63.
Sunday
Mostly sunny and hot, with a high near 91.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Knoxville TN
 36°N 83.88°W (Elev. 997 ft)
7:06 am EDT May 12, 2026
1pm EDT May 12, 2026-6pm EDT May 18, 2026
 
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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