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

Hazardous Weather Conditions

Current conditions at

McMinnville Warren County Memorial Airport (KRNC)

Lat: 35.7°NLon: 85.84°WElev: 1033ft.

Partly Cloudy

95°F

35°C

Humidity 39%
Wind Speed NE 10 mph
Barometer 30.25 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Sep 1:55 pm CDT
Extended Forecast for

4 Miles WNW Summitville TN

Heat Advisory September 17, 02:22pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 02:22pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming west northwest around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 94. South wind around 5 mph becoming west southwest in the afternoon.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 99. North northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming west northwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph.
Sunday
Sunny, with a high near 94. South wind around 5 mph becoming west southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind around 5 mph becoming west southwest in the afternoon.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Summitville TN
 35.57°N 86.06°W (Elev. 1099 ft)
Last Update:
1:31 pm CDT Sep 17, 2026
Forecast Valid:
2pm CDT Sep 17, 2026-6pm CDT Sep 23, 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