Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast 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

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Last update 21 Apr 5:15 am EDT
Extended Forecast for

Knoxville TN

  • Today

    Today: Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind around 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

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

    High: 76 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 52. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 81. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. Calm wind.
Friday
Mostly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 76. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
2:26 am EDT Apr 21, 2026
5am EDT Apr 21, 2026-6pm EDT Apr 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database