Minnehaha Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flood Warning
Issued: 10:36 PM CDT Apr. 20, 2018 – National Weather Service

The National Weather Service in Sioux Falls has issued a

* Flood Warning for
the Split Rock creek below Jasper.
* Until further notice.
* At 10pm Friday the stage was 91.2 feet.
* Flood stage is 91.0 feet.
* At stages near 91.0 feet... the lower banks on this stretch of the
creek are overtopped. The low water crossing on 250th street at the
MN/SD state line is flooded.


Lat... Lon 4390 9639 4384 9637 4377 9642 4372 9648
          4372 9654 4381 9649


Location flood latest observed maximum forecast recent observed
         stage stage time stage time crest time


1055 am CDT Fri Apr 20 2018

... Flood Warning extended until further notice...
the Flood Warning continues for
the Big Sioux River at Sioux Falls I-90.
* From this morning until further notice.
* At 10 am Friday the stage was 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Flood stage is 12.0 feet.
* Recent activity... the river rose above flood stage on
Friday April 20.
* Forecast... the river will continue rising to near 13.6 feet by
Monday April 23. Additional rises may be possible thereafter.
* At stages near 14.0 feet... some farm buildings between Renner
and Sioux Falls are threatened by high water.


Lat... Lon 4370 9679 4370 9672 4361 9674 4360 9674
          4360 9676 4366 9676




1055 am CDT Fri Apr 20 2018

... Flood Warning extended until further notice...
the Flood Warning continues for
the Big Sioux River near Dell Rapids.
* From late tonight until further notice.
* At 9 am Friday the stage was 10.1 feet.
* Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast... rise above flood stage by Saturday April 21 and
continue to rise to near 13.0 feet by Monday April 23.
Additional rises are possible thereafter.
* At stages near 14.0 feet... significant amounts of agricultural
lands are flooded through the basin.


Lat... Lon 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679