National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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8 Miles E Saint Helena Island SC

7 Day Forecast

For More Weather Information:

Charleston, SC Local Forecast Office

Overnight

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 49 °F

Sunday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 55 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 52 °F

Monday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 56 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 54 °F

Tuesday

Showers Chance for Measurable Precipitation 80%

Showers

High: 60 °F

Tuesday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 60 °F

Wednesday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 66 °F

Wednesday
Night

Breezy

Breezy

Low: 43 °F

Detailed Forecast

  • Overnight A chance of rain or drizzle. Cloudy, with a low around 49. North wind 11 to 13 mph. Chance of precipitation is 40%.
  • Sunday Rain likely, mainly between 8am and 11am. Cloudy, with a high near 55. Northeast wind 11 to 16 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Sunday Night Rain, mainly after 8pm. Patchy fog after 9pm. Low around 52. Northeast wind 8 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Rain likely, mainly before 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 56. North wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Night A chance of rain. Patchy fog after 10pm. Otherwise, cloudy, with a low around 54. Northeast wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Showers likely, then showers and possibly a thunderstorm after 10am. Patchy fog before 10am. High near 60. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
  • Tuesday Night Showers likely. Cloudy, with a low around 60. Chance of precipitation is 70%.
  • Wednesday Showers likely. Mostly cloudy, with a high near 66. Breezy. Chance of precipitation is 70%.
  • Wednesday Night Partly cloudy, with a low around 43. Breezy.
  • Christmas Day Sunny, with a high near 56.
  • Thursday Night Mostly clear, with a low around 44.
  • Friday Sunny, with a high near 62.
  • Friday Night Mostly clear, with a low around 51.
  • Saturday Mostly sunny, with a high near 64.