| Event | Flood Warning |
| Severity | Severe |
| Urgency | Expected |
| Certainty | Likely |
| Area | Polk, IA; Warren, IA |
| Effective | 8/16/2026, 10:54:00 AM CDT |
| Expires | 8/17/2026, 7:00:00 AM CDT |
Flood Warning issued August 16 at 10:54AM CDT by NWS Des Moines IA
Details
…The National Weather Service in Des Moines IA has issued a Flood
Warning for the following rivers in Iowa…
North River near Norwalk Hwy R57 affecting Polk and Warren
Counties.
* WHAT…Minor flooding is occurring.
* WHERE…The North River near Norwalk Hwy R57, or from the
Madison-Warren County line to the Des Moines River.
* WHEN…From this morning until further notice.
* IMPACTS…At 22.0 feet, Water is over Iowa 28 immediately south of
Norwalk and threatens several rural gravel roads.
* ADDITIONAL DETAILS…
– At 10 AM CDT Sunday the stage was near 22 feet.
– Forecast…The river is expected to crest around 22 feet
today.
– Flood stage is 22.0 feet.
Instructions
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.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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