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

Hazardous Weather Conditions

Current conditions at

Sparta Upper Cumberland Regional Airport (KSRB)

Lat: 36.06°NLon: 85.53°WElev: 1024ft.

Fair

82°F

28°C

Humidity 79%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Jul 7:15 pm CDT
Extended Forecast for

Chestnut Mound TN

Heat Advisory July 4, 07:36pm until July 4, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 4, 07:36pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northwest around 5 mph.

    High: 89 °F

    Areas Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming west southwest around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northwest around 5 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chestnut Mound TN
 36.21°N 85.84°W (Elev. 892 ft)
Last Update:
1:31 pm CDT Jul 4, 2026
Forecast Valid:
7pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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