Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster County-mc Whirter Field (KLKR)

Lat: 34.72°NLon: 80.86°WElev: 486ft.

Mostly Cloudy

81°F

27°C

Humidity 79%
Wind Speed SE 6 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Jul 9:55 pm EDT
Extended Forecast for

Great Falls SC

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Mostly sunny, with a high near 91. Calm wind becoming south 5 to 8 mph in the morning.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 8 mph.  Chance of precipitation is 30%.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South southwest wind 3 to 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 5pm.  Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. Light south wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 91. Calm wind becoming south 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 73. South wind 3 to 5 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 75. South southwest wind 3 to 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 97.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 97.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls SC
 34.58°N 80.92°W (Elev. 397 ft)
7:05 pm EDT Jul 15, 2025
10pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
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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