Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

43°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 12:15 am EDT
Extended Forecast for

5 Miles NE Knoxville TN

  • Overnight

    Overnight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 72. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 78. Southwest wind around 5 mph.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 57. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms before 8am.  Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 39. Calm wind.
Friday
Increasing clouds, with a high near 72. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Southwest wind around 5 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. 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 57. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
A 10 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 46.
Wednesday
Mostly cloudy, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Knoxville TN
 36.02°N 83.88°W (Elev. 1010 ft)
7:06 pm EDT Mar 19, 2026
12am EDT Mar 20, 2026-6pm EDT Mar 26, 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