From Tama County Iowa Emergency Management Facebook Page:

A flood warning remains in effect until 2:30 a.m. CDT Tuesday for Northeastern Marshall, Northwestern Tama and Grundy Counties.

At 6:35 a.m., the public reported flooding across the warned area. Localized street flooding was noting in the town of Conrad. Secondary roads throughout the warned area also have had reports of standing water.

Some locations that will experience flooding include: Grundy Center, Reinbeck, Dike, Conrad, Gladbrook, Albion, Liscomb, Holland, Beaman, Lincoln, Green Mountain, Morrison, Marshalltown Municipal Airport and Union Grove State Park.

Precautionary/Preparedness Actions include: turn around, don’t drown when encountering flooded roads, most flood deaths occur in vehicles.