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 >

Hazardous Weather Conditions

Current conditions at

Jacksboro Campbell County Airport (KJAU)

Lat: 36.33°NLon: 84.16°WElev: 1180ft.

73°F

23°C

Humidity 78%
Wind Speed Vrbl 5 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 11:35 pm EDT
Extended Forecast for

Lake City TN

  • Tonight

    Tonight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Calm wind.
Sunday
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Monday
Mostly sunny, with a high near 85. Calm wind.
Monday Night
Partly cloudy, with a low around 62. Calm wind.
Tuesday
Mostly sunny, with a high near 86. Calm wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake City TN
 36.22°N 84.17°W (Elev. 909 ft)
Last Update:
7:06 pm EDT Aug 22, 2026
Forecast Valid:
11pm 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