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

Jackson County Airport (K24A)

Lat: 35.32°NLon: 83.21°WElev: 2857ft.

Mostly Cloudy

81°F

27°C

Humidity 55%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 Aug 3:55 pm EDT
Extended Forecast for

8 Miles S Cosby TN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 54. West northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 64. Northwest wind around 9 mph, with gusts as high as 18 mph.

    High: 64 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. Southwest wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. West southwest wind 5 to 7 mph becoming northwest in the morning.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Light and variable wind becoming east around 5 mph in the evening.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 54. West northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 64. Northwest wind around 9 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 50. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 66. West southwest wind 5 to 7 mph becoming northwest in the morning.
Monday Night
Partly cloudy, with a low around 52. Light and variable wind becoming east around 5 mph in the evening.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 68.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Cosby TN
 35.69°N 83.25°W (Elev. 5610 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