The Red River has flooded it's banks near I-35 in Love County, reaching 25.5 feet by 9:30 pm Wednesday night--that's half a foot above flood level.
Experts expect it to crest, or reach it's peak, Thursday around noon.
With water levels possibly as high as 30.7 feet.
Love County Sheriff's deputies went door to door Wednesday morning, warning about 20 homeowners near the River of the rising water.
Officials say they're issuing an optional evacuation for those residents.
Officials say people should stay out of the water. That means no fishing or boating on the river when the water is over flood stage.