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

Lancaster County-mc Whirter Field (KLKR)

Lat: 34.72°NLon: 80.86°WElev: 486ft.

Fair

79°F

26°C

Humidity 65%
Wind Speed SW 7 G 14 mph
Barometer 30.30 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 May 9:55 am EDT
Extended Forecast for

Great Falls SC

  • Today

    Today: Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. South southeast wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind becoming south southeast around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Clear, with a low around 64. South southeast wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. Calm wind becoming south southeast around 5 mph.
Wednesday
Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Friday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls SC
 34.58°N 80.89°W (Elev. 397 ft)
Last Update:
2:24 am EDT May 18, 2026
Forecast Valid:
10am EDT May 18, 2026-6pm EDT May 24, 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