Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed SW 5 mph
Barometer 29.91 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Mar 2:35 am EDT
Extended Forecast for

Knoxville TN

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: A 10 percent chance of showers after 5am.  Increasing clouds, with a low around 58. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Northeast wind around 5 mph becoming calm  in the morning.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 62. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 58. Southwest wind around 10 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 43. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 67. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 45. Calm wind.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 54.
Thursday
A slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 73.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
2:26 am EDT Mar 22, 2026
2am EDT Mar 22, 2026-6pm EDT Mar 28, 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