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

Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.04 in (1016.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 23 Sep 5:53 am EDT
Extended Forecast for

Gatlinburg TN

  • Today

    Today: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Calm wind becoming south around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 78 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 64 °F

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. South wind around 5 mph. Chance of precipitation is 40%.

    Chance
    Showers

    High: 75 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms. Cloudy, with a low around 65. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 65 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. South wind around 5 mph. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 66.

    Chance
    T-storms then
    Chance
    Showers

    Low: 66 °F

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.

    Showers

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 63. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 63 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 73. Chance of precipitation is 60%.

    Showers
    Likely

    High: 73 °F

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Calm wind becoming south around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. South wind around 5 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Cloudy, with a low around 65. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. South wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 66.
Wednesday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 73. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 77.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Gatlinburg TN
 35.72°N 83.47°W (Elev. 1923 ft)
Last Update:
3:10 am EDT Sep 23, 2018
Forecast Valid:
6am EDT Sep 23, 2018-6pm EDT Sep 29, 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