Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

45°F

7°C

Humidity 37%
Wind Speed Vrbl 7 G 16 mph
Barometer 30.32 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 18 Mar 12:35 pm EDT
Extended Forecast for

Knoxville TN

  • This Afternoon

    This Afternoon: A slight chance of sprinkles before 1pm, then a slight chance of showers between 1pm and 3pm, then a slight chance of sprinkles after 3pm.  Partly sunny, with a high near 51. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 64. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

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

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of sprinkles before 1pm, then a slight chance of showers between 1pm and 3pm, then a slight chance of sprinkles after 3pm. Partly sunny, with a high near 51. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Calm wind.
Thursday
Partly sunny, with a high near 64. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Calm wind.
Friday
Mostly sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 53. Southwest wind around 5 mph.
Saturday
Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 80.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 67.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
7:06 am EDT Mar 18, 2026
12pm EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database