Sioux Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flood Warning
Issued: 10:15 AM CDT Apr. 18, 2018 – National Weather Service

The Flood Warning continues for
the Big Sioux River above Hawarden.
* From late Saturday night until further notice.
* At 09am Wednesday the stage was 18.9 feet.
* Minor flooding is forecast.
* Flood stage is 20.5 feet.
* Forecast... rise above flood stage by Sunday and crest near
23.2 feet by Tuesday.
* At stages near 23.0 feet... South Dakota Highway 46 begins to flood.


Lat... Lon 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654