


Flood Warning
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
Versions:
1
870 WGUS43 KDMX 181620 FLWDMX BULLETIN - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Des Moines IA 1120 AM CDT Mon Aug 18 2025 ...The National Weather Service in Des Moines IA has issued a Flood Warning for the following rivers in Iowa... Winnebago River at Mason City affecting Worth, Cerro Gordo and Floyd Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest stream observations and forecasts refer to weather.gov/desmoines/water. Turn around, don`t drown when encountering flooded roads. Most flood deaths occur in vehicles. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours. && IAC033-067-195-191230- /O.NEW.KDMX.FL.W.0018.250818T1948Z-250822T0600Z/ /MCWI4.1.ER.250818T1948Z.250819T1800Z.250822T0000Z.NO/ 1120 AM CDT Mon Aug 18 2025 ...FLOOD WARNING IN EFFECT FROM THIS AFTERNOON TO EARLY FRIDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...The Winnebago River at Mason City, or from Beaver Creek near Fertile to the Shell Rock River near Rockford. * WHEN...From this afternoon to early Friday morning. * IMPACTS...At 12.0 feet, Widespread flooding occurs along the river. Some backwater effects are possible along Willow Creek between downtown Mason City and the confluence with the Winnebago river. * ADDITIONAL DETAILS... - At 10:45 AM CDT Monday the stage was 9.6 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 11.9 feet early tomorrow afternoon. It will then fall below flood stage Thursday evening. - Flood stage is 10.0 feet. && LAT...LON 4331 9330 4308 9287 4300 9301 4326 9350 $$ Ansorge