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Heavy rains flood some roads in Beaufort County

Heavy overnight rains caused road closures and minor flooding on Hilton Head Island early this morning.

Three to 5 inches of rain fell over parts of Beaufort County over a period of 24 hours, according to the National Weather Service in Charleston.

About 4.7 inches of rain fell north of Hilton Head Island. Anywhere from 3 to 5 inches fell near Bluffton and other parts of the county from 7 a.m. Sunday to 7 a.m. this morning, according to the weather service.

The Marine Corps Air Station Beaufort saw the heaviest amount of rain, receiving 7.74 inches of rainfall during the last three days - 6 inches of which fell over a 48-hour period Saturday morning to Monday morning.

The overnight rains put Beaufort County well above average for the amount of rainfall in August, said Steve Taylor, senior forecaster with the National Weather Service in Charleston.

"For the Charleston-Savannah area, the average rainfall for August to date is about 3.24 inches. They usually get 3.5 to 4 inches through mid-August," Taylor said. "To see most areas receive that in one day, it's well above average."

Chances for showers will continue through the day and taper off into Tuesday. Some of the storms will be capable of producing heavy rainfall in a short period of time, which could lead to localized flooding, especially across low-lying areas and those with poor drainage. Significant ponding could also occur on some area roadways, according to the weather service.

"The rest of the week it will be your typical isolated showers and thunderstorms, your typical summer pattern. And, unfortunately, the heat will return," Taylor said.

Here is the forecast for the rest of the week, according to the National Weather Service:

Today: Showers and thunderstorms likely, mainly before 4 p.m. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 90. Heat index values as high as 102. East wind between 6 and 10 mph. Chance of precipitation is 70 percent. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2 a.m. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. East wind between 3 and 8 mph. Chance of precipitation is 30 percent.

Tuesday: A slight chance of showers and thunderstorms before 8 a.m., then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 90. East wind between 3 and 9 mph. Chance of precipitation is 20 percent.

Tuesday Night: Partly cloudy, with a low around 76. Southeast wind between 5 and 8 mph becoming calm.

Wednesday: A slight chance of showers and thunderstorms. Partly cloudy, with a high near 90. Calm wind becoming southeast between 6 and 9 mph. Chance of precipitation is 20 percent.

Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 20 percent.

Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Chance of precipitation is 30 percent.

Thursday Night: Mostly cloudy, with a low around 77.

Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Chance of precipitation is 30 percent.

Friday Night: Mostly cloudy, with a low around 77.

Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Chance of precipitation is 30 percent.

Saturday Night: Partly cloudy, with a low around 78.

Sunday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 93. Chance of precipitation is 30 percent.

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