River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Lancaster County-mc Whirter Field (KLKR)

Lat: 34.72°NLon: 80.86°WElev: 486ft.

Mostly Cloudy

70°F

21°C

Humidity 88%
Wind Speed SE 8 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 4 Nov 9:15 pm EST
Extended Forecast for

Great Falls SC

  • Tonight

    Tonight: Rain likely, mainly after 5am.  Mostly cloudy, with a low around 64. South southeast wind 3 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: A chance of rain, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 7 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain and thunderstorms, mainly after 1am.  Increasing clouds, with a low around 62. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: Rain likely and possibly a thunderstorm before noon, then a chance of rain.  Patchy fog before 8am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. Light and variable wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Rain Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Light north wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Mostly cloudy, with a low around 64. South southeast wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of rain and thunderstorms, mainly after 1am. Increasing clouds, with a low around 62. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Rain likely and possibly a thunderstorm before noon, then a chance of rain. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 51. Light north wind.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 43.
Veterans Day
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls SC
 34.58°N 80.89°W (Elev. 397 ft)
5:33 pm EST Nov 4, 2026
9pm EST Nov 4, 2026-6pm EST Nov 11, 2026
 
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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