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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

76°F

24°C

Humidity 88%
Wind Speed SW 6 mph
Barometer 29.92 in (1012.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 28 Jul 12:53 am EDT
Extended Forecast for

Knoxville TN

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Calm wind.

    Chance
    T-storms

    Low: 73 °F

  • Friday

    Friday: Showers and thunderstorms, mainly after 9am.  High near 80. Light southwest wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms

    High: 80 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms, mainly before 9pm.  Low around 68. Southwest wind 5 to 10 mph becoming northwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms then
    Chance
    Showers

    Low: 68 °F

  • Saturday

    Saturday: A 20 percent chance of showers before 9am.  Partly sunny, with a high near 83. North wind around 5 mph.

    Slight Chance
    Showers then
    Partly Sunny

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 62. North wind 5 to 10 mph.

    Mostly Clear

    Low: 62 °F

  • Sunday

    Sunday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Monday

    Monday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind.
Friday
Showers and thunderstorms, mainly after 9am. High near 80. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and thunderstorms, mainly before 9pm. Low around 68. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 83. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 62. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 942 ft)
9:04 pm EDT Jul 27, 2017
1am EDT Jul 28, 2017-6pm EDT Aug 3, 2017
 
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