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

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 >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

73°F

23°C

Humidity 41%
Wind Speed SW 12 G 24 mph
Barometer 29.94 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Mar 7:15 pm EDT
Extended Forecast for

3 Miles SW Luttrell TN

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 78. Southwest wind around 5 mph.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 7pm and 2am. Mostly clear, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68. North wind around 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Northeast wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 78. Southwest wind around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms between 7pm and 2am. Mostly clear, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 25 mph.
Monday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 41. Northeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 46.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 53.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Luttrell TN
 36.18°N 83.81°W (Elev. 1296 ft)
Last Update:
7:06 pm EDT Mar 20, 2026
Forecast Valid:
7pm EDT Mar 20, 2026-6pm EDT Mar 27, 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