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

Heavy Rainfall and Flash Flood Threat for the Southern Plains Today; Severe Thunderstorms from the Northeast to the Ohio Valley

Heavy rains are leading to an elevated concern for flash flooding across parts of Oklahoma and Texas today, and this heavy rainfall will spread slowly east over the weekend. Severe thunderstorms may produce damaging winds and a few tornadoes across parts of the Northeast and Ohio Valley this afternoon and evening. Significant river flooding continues across the Carolinas. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

87°F

31°C

Humidity 50%
Wind Speed W 12 mph
Barometer 30.09 in (1017.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Sep 3:53 pm EDT
Extended Forecast for

Gatlinburg TN

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming south in the evening.

    Partly Cloudy

    Low: 65 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 82. South wind around 5 mph becoming northwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 82 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming southeast after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 65 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    Chance
    T-storms then
    Showers
    Likely

    High: 77 °F

  • Sunday
    Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming southeast in the evening. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 65 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.

    Chance
    Showers

    High: 77 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 64.

    Chance
    Showers

    Low: 64 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

    Chance
    T-storms

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Chance
    T-storms

    Low: 65 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming south in the evening.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 82. South wind around 5 mph becoming northwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming southeast after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming southeast in the evening. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 75.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Gatlinburg TN
 35.73°N 83.49°W (Elev. 1594 ft)
Last Update:
3:24 pm EDT Sep 21, 2018
Forecast Valid:
5pm EDT Sep 21, 2018-6pm EDT Sep 28, 2018
 
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