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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

88°F

31°C

Humidity 46%
Wind Speed W 10 mph
Barometer 29.96 in (1013.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 22 Aug 3:53 pm EDT
Extended Forecast for

2 Miles SW Slickrock Wilderness NC

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 58. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 69. Northwest wind 3 to 7 mph.

    High: 69 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny through mid morning, then becoming sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 58. West northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 69. Northwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 55. Light and variable wind.
Monday
Partly sunny through mid morning, then becoming sunny, with a high near 70. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57. Light and variable wind.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Slickrock Wilderness NC
 35.36°N 84°W (Elev. 4278 ft)
Last Update:
2:23 pm EDT Aug 22, 2026
Forecast Valid:
4pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
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