WAYNE – The National Weather Service is calling for an elevated flooding risk for this evening and into Wednesday.
According to a release from the Omaha NWS Center, a prolonged heavy rainfall event is forecast from tonight through Wednesday. The already wet soil will results in considerable runoff and the potential for flash flooding.
Also, ongoing flooding on the Missouri River is likely to be exacerbated while other rivers could rise to flood stage.
A flash flood watch has been issued for most of southeastern Nebraska with Norfolk and Sioux City, IA being on the northern-edge. Moderate rainfall is expected in the Omaha/Lincoln area while northeast Nebraska will see mainly slight to moderate excessive rainfall Tuesday.
The highest predicted rainfall will be in Onawa (4-6”), Columbus and Tekamah could see up to 3-4” and Wayne/Norfolk around 2-3” from tonight through Wednesday.
Initial thunderstorms will develop Monday evening with multiple waves of showers and thunderstorms continuing into at least Wednesday morning. The highest potential for a flash flood is between 6 a.m. – 6 p.m. Tuesday.
With the wet soil conditions and prolonged nature of the rainfall event, the risk for flash flooding is high.
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