Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. 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 SW 8 mph
Barometer 30.11 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 14 Jun 10:35 am EDT
Extended Forecast for

Great Falls SC

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 85. Southwest wind 6 to 8 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Cloudy then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am.  Mostly cloudy, with a low around 71. South southwest wind 3 to 6 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm.  Partly sunny, with a high near 89. Southwest wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am.  Partly cloudy, with a low around 71. Light southwest wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm.  Mostly sunny, with a high near 90. West southwest wind 3 to 7 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am, then a slight chance of thunderstorms after 4am.  Partly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 85. Southwest wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 71. South southwest wind 3 to 6 mph.
Sunday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 90. West southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms, mainly before 2am, then a slight chance of thunderstorms after 4am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
Tuesday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Juneteenth
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls SC
 34.58°N 80.89°W (Elev. 397 ft)
9:22 am EDT Jun 14, 2025
10am EDT Jun 14, 2025-6pm EDT Jun 20, 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