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

Hazardous Weather Conditions

Current conditions at

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 3 Sep 1:55 am EDT
Extended Forecast for

Sweetwater TN

Heat Advisory September 3, 02:15am until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 02:15am until September 4, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Calm wind.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind.
Thursday Night
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.
Sunday
Mostly sunny and hot, with a high near 93.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.
Labor Day
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.
Monday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Sweetwater TN
 35.61°N 84.45°W (Elev. 981 ft)
Last Update:
1:06 am EDT Sep 3, 2026
Forecast Valid:
2am EDT Sep 3, 2026-6pm EDT Sep 9, 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