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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

84°F

29°C

Humidity 35%
Wind Speed Vrbl 7 G 18 mph
Barometer 30.18 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Apr 4:35 pm EDT
Extended Forecast for

Knoxville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Southwest wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph.
Monday
Partly sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 59. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 62. Southwest wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny and hot, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
Last Update:
2:26 pm EDT Apr 12, 2026
Forecast Valid:
4pm EDT Apr 12, 2026-6pm EDT Apr 19, 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