Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Apr 5:15 am EDT
Extended Forecast for

Knoxville TN

  • Today

    Today: Sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 60 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 76. West wind around 5 mph.  Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers.  Partly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 53. Calm wind.
Thursday
Sunny, with a high near 83. Calm wind.
Thursday Night
Mostly clear, with a low around 56. Calm wind.
Friday
Mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 76. West wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
2:26 am EDT Apr 22, 2026
5am EDT Apr 22, 2026-6pm EDT Apr 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database