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

81°F

27°C

Humidity 84%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 8:50 am CDT
Extended Forecast for

Lancaster TN

  • Today

    Today: Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Heat index values as high as 104. Calm wind.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming north around 5 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Patchy fog before 3am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. North northeast wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 96. Heat index values as high as 104. Calm wind.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 71. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming north around 5 mph.
Wednesday Night
Patchy fog before 3am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 69. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. North northeast wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind.
Friday Night
Partly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster TN
 36.1°N 85.82°W (Elev. 620 ft)
Last Update:
5:49 am CDT Aug 18, 2025
Forecast Valid:
9am CDT Aug 18, 2025-6pm CDT Aug 24, 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