The National Weather Service issued a flood warning Saturday night in McHenry County because of the Fox River rising at the Algonquin Tailwater.
As of 7:30 p.m. Saturday, the river was at 9.6 feet. Flood stage is 9.5 feet.
The National Weather Service forecasts moderate flooding in the next several days.
The forecast has the Fox River rising to near 11.3 feet by Thursday morning.