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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

83°F

28°C

Humidity 70%
Wind Speed W 6 mph
Barometer 30.04 in (1015.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 16 Aug 3:53 pm EDT
Extended Forecast for

Knoxville TN

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Southwest wind around 5 mph.

    Chance
    T-storms

    High: 89 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 74. Calm wind.

    Chance
    T-storms

    Low: 74 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. Southwest wind around 5 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 88 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Southwest wind around 5 mph.

    Chance
    T-storms

    Low: 73 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88. Southwest wind 5 to 10 mph.

    Chance
    T-storms

    High: 88 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    Mostly Sunny

    High: 89 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Sunday

    Sunday: Sunny and hot, with a high near 90.

    Hot

    High: 90 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 74. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 942 ft)
3:20 am EDT Aug 16, 2017
4pm EDT Aug 16, 2017-6pm EDT Aug 23, 2017
 
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