Heavy rains overnight across the area increased the threat of flooding of area rivers.
The Big Blue River near Blue Rapids is under a Flood Warning. Flood stage is 26 feet, and the river was at 30 feet Thursday night. The river should rise to 41.4 feet by Saturday, and fall below flood stage by Monday afternoon.
The Big Blue River near Marysville is also under a Flood Warning. Early Friday morning the river was recorded at 32 feet, with flood stage at 35 feet. The river is expected to rise to 37 feet by Friday morning before falling below flood stage on Saturday afternoon.
The Black Vermillion River near Frankfort is flooding, with the river recorded at 23.5 feet early Friday morning. Flood stage is 19 feet, and the river is expected to rise to 27.3 feet by this afternoon, before falling below flood stage on Saturday afternoon.
In Washington County, the Little Blue River near Barnes is expected to rise to 19 feet by Saturday morning, with flood stage set at 16 feet. The river will fall below flood stage Saturday night.
Mill Creek in Washington should rise to 22.5 feet by tonight, before falling below flood stage of 18 feet by late Saturday morning.
Tuttle Creek Lake was recorded at 1,075 feet this morning, or at normal levels. With heavy rains upstream and flooding along the Little Blue and Big Blue Rivers, as well as the Black Vermillion River, lake levels should rise this weekend.