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

An Enduring Heat Wave Begins for Texas and Southern Plains

Starting today, a blazing Heat Wave will consume much of the Southern Plains and Lower MS Valley through early next week, especially for TX. Numerous Excessive Heat Warnings, Watches and Advisories are in effect for the mid-section of TX and OK and these hazards will only become more widespread. Expect record Highs temps and very dangerous Heat Indices, both surging well north of triple digits. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

80°F

27°C

Humidity 56%
Wind Speed N 6 mph
Barometer 29.96 in (1013.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 Jul 8:53 pm EDT
Extended Forecast for

Gatlinburg TN

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Calm wind.

    Partly Cloudy

    Low: 64 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 85. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 85 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 67 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 85. South wind around 10 mph. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 85 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 68. South wind around 10 mph. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 68 °F

  • Saturday

    Saturday: Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 82 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    T-storms
    Likely then
    Showers
    Likely

    Low: 66 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    Showers
    Likely

    High: 79 °F

  • Sunday
    Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 65 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 85. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 85. South wind around 10 mph. Chance of precipitation is 40%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. South wind around 10 mph. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Gatlinburg TN
 35.73°N 83.49°W (Elev. 1594 ft)
Last Update:
9:27 pm EDT Jul 18, 2018
Forecast Valid:
9pm EDT Jul 18, 2018-6pm EDT Jul 25, 2018
 
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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