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

Sparta Upper Cumberland Regional Airport (KSRB)

Lat: 36.06°NLon: 85.53°WElev: 1024ft.

Fair

23°C

73°F

Humidity 100%
Wind Speed SW 7 km/h
Barometer 30.09 in
Dewpoint 23°C (73°F)
Visibility 16 km
Last update 12 Jul 10:35 pm CDT
Extended Forecast for

Lancaster TN

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 22. South southwest wind 5 to 10 km/h. Chance of precipitation is 20%.

    Low: 22 °C

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 33. Heat index values as high as 36. West southwest wind 5 to 10 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 33 °C

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.

    Low: 21 °C

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 33. Heat index values as high as 37. Calm wind. Chance of precipitation is 60%.

    High: 33 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Patchy Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 33. Calm wind.

    High: 33 °C

    Patchy 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 22. Calm wind.

    Low: 22 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Southwest wind 5 to 10 km/h.

    High: 33 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 22. South southwest wind 5 to 10 km/h. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 33. Heat index values as high as 36. West southwest wind 5 to 10 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 33. Heat index values as high as 37. Calm wind. Chance of precipitation is 60%.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 21. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 33. Calm wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 22. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Southwest wind 5 to 10 km/h.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 22. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 32. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster TN
 36.08°N 85.88°W (Elev. 1004 m)
Last Update:
10:33 pm CDT Jul 12, 2025
Forecast Valid:
11pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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