Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into the Mid-Atlantic; Elevated to Critical Fire Concerns Out West

Heavy rainfall will continue through midweek from the lower Mississippi Valley to the Mid-Atlantic. Elevated to critical fire weather threat continues across the Central Great Basin and the Central Rockies; and there is an elevated fire risk from southwestern Oregon to northern California. Record river flooding will continue in portions of the Midwest and the Carolinas. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Light Rain Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed NW 5 mph
Barometer 30.15 in (1020.0 mb)
Dewpoint 71°F (22°C)
Visibility 5.00 mi
Last update 24 Sep 10:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Cloudy, with a high near 79. Southeast wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 79 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then a chance of showers after 10pm.  Cloudy, with a low around 68. East wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 68 °F

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 82. Southwest wind 5 to 10 mph.  Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 69. South wind around 5 mph.  Chance of precipitation is 60%.

    Chance
    T-storms then
    Showers
    Likely

    Low: 69 °F

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 11am, then showers and thunderstorms after 11am.  High near 77. Southwest wind 5 to 10 mph.  Chance of precipitation is 90%.

    T-storms

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 66. Chance of precipitation is 80%.

    Showers

    Low: 66 °F

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 8am.  Cloudy, with a high near 76. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 76 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 65.

    Chance
    Showers

    Low: 65 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 80.

    Chance
    T-storms

    High: 80 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 79. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then a chance of showers after 10pm. Cloudy, with a low around 68. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm, mainly before 11am, then showers and thunderstorms after 11am. High near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Chance of precipitation is 80%.
Thursday
A chance of showers, then showers and thunderstorms likely after 8am. Cloudy, with a high near 76. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
10:40 am EDT Sep 24, 2018
11am EDT Sep 24, 2018-6pm EDT Sep 30, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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