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
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