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

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Lancaster County-mc Whirter Field (KLKR)

Lat: 34.72°NLon: 80.86°WElev: 486ft.

A Few Clouds

95°F

35°C

Humidity 41%
Wind Speed SW 15 mph
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 10 Jul 1:55 pm EDT
Extended Forecast for

Great Falls SC

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 94. Heat index values as high as 100. West southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 94. Heat index values as high as 102. West wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 94 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 89. Light north wind. Chance of precipitation is 60%.

    High: 89 °F

    Partly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    T-storms
    Likely then
    Showers
    Likely

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Heat index values as high as 100. West southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 94. Heat index values as high as 102. West wind 5 to 9 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 89. Light north wind. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny and hot, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls SC
 34.6°N 80.89°W (Elev. 390 ft)
Last Update:
10:41 am EDT Jul 10, 2026
Forecast Valid:
2pm EDT Jul 10, 2026-6pm EDT Jul 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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