Flood Warning

NWS Releases Spring Flood Outlook; Minor Flooding Expected Next Week

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National Weather Service

National Weather Service

The National Weather Service of Des Moines released its spring flood outlook report Thursday.

From late winter into spring, the outlook shows the risk of minor river flooding is above and much above normal, generally north of Interstate 80. South of Interstate 80, the risk of minor river flooding is near normal.

Everywhere else in the state, the risk of moderate and major flooding is normal.

In areas north of Highway 20, flooding from ice jams is possible in rivers where ice is several inches thick. Ice jams can block water and may cause flooding or flash flooding upstream. If the jam suddenly breaks, then flash flooding can occur downstream, the outlook says.

Over the next several days, the outlook says streamflows combined with anticipated snowmelt will result in an increased short-term flood risk. This increased short-term flood risk is helping to elevate the overall long-term flood risk indicated in the current outlook, the report says.

The current flood forecast for the Des Moines River at Southeast Sixth Street will reach minor flooding levels next week. Water stages are expected to reach 24.9 feet by Monday. Minor flood stage level is 24 feet.

If you’re interested in flood probabilities for rivers in your area, click here.

The next outlook will be released March 3.

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