FIRST ALERT: Waccamaw River in Conway forecast to reach minor flood stage

MYRTLE BEACH, S.C. (WMBF) - Heavy rainfall from Idalia will lead to river flooding across the region through the weekend.

Rainfall totals from Idalia reached as high as 12 inches in some areas. This excessive rainfall will drain into the local rivers leading to areas of flooding.

LITTLE PEE DEE RIVER - At 10 AM EDT Friday the stage was 9 feet. The river is expected to rise to a crest of 12.0 feet Sunday morning. Flood stage is 9.0 feet. At 12.0 feet, Flood waters will affect 30 to 40 homes in the Fork Retch community near Nichols.

WACCAMAW RIVER AT CONWAY - At 10 AM EDT Friday, the stage was at 10.04 feet. The river is expected to rise just above flood stage Saturday morning. It will rise to a crest of 11.1 feet. Flood stage is 11 feet. At 11 feet, water will begin to cause minor flooding of yards and a few roads in the Lees Landing, Pitch Landing, Savannah Bluff, and Riverfront South communities. Areas along Waccamaw CIR, Gray Oaks DR, and Riverside DR may also begin to flood. Access to Hidden River RD may be cutoff. Overflow of vast uninhabited swamp and natural boat landings will occur.

BLACK CREEK AT QUINBY - At 10 AM Friday the stage was 10.16 feet. The river is falling and will fall below flood stage this afternoon.

GREAT PEE DEE RIVER - At 10 AM Friday the stage was 15.8 feet. The river is forecast to fall later this afternoon and remain below flood stage the entire time.

River Flooding is expected through the weekend.(WMBF)

LUMBER RIVER AT LUMBERTON - At 10 AM Friday the stage was 14.46 feet. The river is expected to continue rising to a crest of 14.9 feet by Saturday morning. Flood stage is 13.0 feet. At 13.0 feet, Low land flooding will occur along the river. The flood waters may affect some residential property as water backs up into the drainage ditches in the city.

LUMBER RIVER AT NICHOLS - At 10 AM Friday the stage was 19.05 feet. The river is expected to rise above flood stage late this afternoon and continue rising to a crest of 20.7 by Saturday afternoon. Flood stage is 20.0 feet. At 21.0 feet, Flooding worsens along River Road and begins along Drowning Creek Drive.