Alert archive / South Dakota / River Flood Warnings in 2018

River Flood Warning 26, NWS Sioux Falls, SD

March 24, 2018Minnehaha County, Moody County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Mar 24, 2018, 9:23 PM CDT for Minnehaha County, Moody County, South Dakota. It was in force for 5 days.

The area

The outline as issued.

The facts

Issued
Mar 24, 2018, 9:23 PM CDT (02:23 UTC)
Expired
Mar 29, 2018, 9:37 AM CDT
In force
5 days
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

Counties Minnehaha County, SD, Moody County, SD

The radar

The Sioux Falls radar (KFSD), 27 km from the middle of the area, began a volume at 02:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Big Sioux River near Dell Rapids (DERS2).

Action stage
10 ft
Minor stage
12 ft
Moderate stage
14 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06481000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

404 
WGUS43 KFSD 250223
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Sioux Falls SD
923 PM CDT Sat Mar 24 2018

...The National Weather Service in Sioux Falls has issued a flood 
warning for the following rivers in South Dakota...

  Big Sioux River Near Dell Rapids
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC099-101-260623-
/O.NEW.KFSD.FL.W.0026.180325T0223Z-180329T1400Z/
/DERS2.1.ER.180324T2320Z.180324T2346Z.180329T1200Z.NO/
923 PM CDT Sat Mar 24 2018

The National Weather Service in Sioux Falls has issued a 

* Flood Warning for 
  The Big Sioux River Near Dell Rapids.
* Until Thursday morning.
* At 09PM Saturday the stage was 12.8 feet.
* Flood stage is 12.0 feet.
* Forecast...The river will fluctuate within a foot of flood
  stage depending on ice levels in the river.
* At stages near 12.0 feet...Agricultural lands along the lower banks
of the river begin to flood. 

&&
 
LAT...LON 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679

$$

&& 
Location Flood  Latest Observed  Maximum Forecast  Recent Observed
         Stage  Stage  Time      Stage  Time       Crest Time

BIG SIOUX RIVER
DERS2    12.0   12.84 Sat 9 PM    13.1  Sun 6 AM
5 follow-up statements
485 
WGUS83 KFSD 251526
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1026 AM CDT Sun Mar 25 2018

...The Flood Warning is cancelled for the following rivers in Iowa...

  Little Sioux River Near Milford
  
...The Flood Warning continues for the following rivers in South 
Dakota...Iowa...

  James River At Mitchell
  James River Near Scotland
  Big Sioux River Near Bruce
  Big Sioux River Near Brookings
  Big Sioux River Near Dell Rapids
  Big Sioux River At Sioux Falls I-90
  Big Sioux River above Hawarden
  Big Sioux River At Akron
  Little Sioux River At Spencer
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. The water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC035-061-261925-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-180401T0600Z/
/JRMS2.1.ER.180319T0422Z.180321T1245Z.180331T0600Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The James River At Mitchell.
* Until Sunday April 1.
* At 8 AM Sunday the stage was 17.7 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 17.0 feet.
* Forecast...The river will rise fluctuate a few tenths of a foot
  through Thursday March 29, then fall below flood stage late at 
  night on Saturday March 31.
* At stages near 17.0 feet...The lower banks overflow. 

&&
 
LAT...LON 4393 9812 4393 9798 4370 9789 4340 9763
          4338 9777 4351 9797

$$

SDC067-135-261925-
/O.EXT.KFSD.FL.W.0025.000000T0000Z-180329T0600Z/
/SCOS2.1.ER.000000T0000Z.180326T0000Z.180328T0600Z.NO/
1026 AM CDT Sun Mar 25 2018

...Flood Warning extended until Thursday March 29... 

The Flood Warning continues for
  The James River Near Scotland.
* Until late Wednesday night March 28.
* At 9 AM Sunday the stage was 13.4 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 13.0 feet.
* Forecast...The river will gradually rise to 13.5 feet by
  Monday morning March 26.
* At stages near 14.0 feet...Approximately 4400 acres of farm land 
  are flooded between Mitchell and Yankton. 

&&
 
LAT...LON 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

$$

SDC011-261925-
/O.CON.KFSD.FL.W.0020.000000T0000Z-000000T0000Z/
/BRCS2.1.ER.180322T1120Z.180323T2116Z.000000T0000Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The Big Sioux River Near Bruce.
* Until further notice.
* At 8 AM Sunday the stage was 9.0 feet.
* Flood stage is 8.0 feet.
* At stages near 9.5 feet...The right bank overflows flooding 
  agricultural lands for as much as 1/4 mile. 

&&
 
LAT...LON 4454 9696 4454 9687 4446 9686 4432 9685
          4432 9692 4443 9694

$$

SDC011-101-261925-
/O.EXT.KFSD.FL.W.0024.000000T0000Z-180327T0900Z/
/BRKS2.1.ER.180324T1245Z.180325T1800Z.180326T0900Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The Big Sioux River Near Brookings.
* Until late Monday night.
* At 9 AM Sunday the stage was 9.3 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 9.0 feet.
* Recent activity...The river rose above flood stage on Saturday 
  March 24.
* Forecast...The river will hold near 9.3 feet through the
  afternoon of Sunday March 25. It should then start slowly falling.
* At stages near 9.0 feet...Significant amounts of pasture and 
  farm lands begin flooding on the left bank of the river. The 
  road south of the Brookings water treatment plant is flooded, 
  as is 217th Street between 468th and 469th Avenues. 

&&
 
LAT...LON 4432 9692 4432 9685 4421 9675 4414 9661
          4410 9665 4420 9683

$$

SDC099-101-261925-
/O.EXT.KFSD.FL.W.0026.000000T0000Z-180330T0900Z/
/DERS2.1.ER.180324T2320Z.180324T2346Z.180329T0900Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The Big Sioux River Near Dell Rapids.
* Until late Thursday night.
* At 9 AM Sunday the stage was 12.8 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will hold near 12.8 feet through the morning
  of Wednesday March 28. It should then start slowly falling below 
  flood stage by Thursday March 29.
* At stages near 12.0 feet...Agricultural lands along the lower banks
  of the river begin to flood. 

&&
 
LAT...LON 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679

$$

SDC099-261925-
/O.CON.KFSD.FL.W.0017.000000T0000Z-000000T0000Z/
/SFLS2.2.ER.180330T0400Z.000000T0000Z.000000T0000Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The Big Sioux River At Sioux Falls I-90.
* Until further notice.
* At 9 AM Sunday the stage was 12.4 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will continue rising and falling 
  less than 1 foot the next few days.
* At stages near 12.0 feet...Some agricultural land between
  60th Street North and Interstate 90 begins to flood. 

&&
 
LAT...LON 4370 9679 4370 9672 4361 9674 4360 9674
          4360 9676 4366 9676

$$

IAC149-167-SDC127-261925-
/O.EXT.KFSD.FL.W.0022.000000T0000Z-180328T2200Z/
/HWDI4.1.ER.000000T0000Z.180326T1200Z.180328T1600Z.UU/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The Big Sioux River above Hawarden.
* Until Wednesday afternoon.
* At 9 AM Sunday the stage was 20.1 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 19.0 feet.
* Forecast...The river will rise to 21.2 feet by Monday March 26.

&&
 
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654

$$

IAC149-SDC127-261925-
/O.CON.KFSD.FL.W.0027.180326T0600Z-180329T1500Z/
/AKRI4.1.ER.180326T0600Z.180327T0600Z.180328T1500Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The Big Sioux River At Akron.
* From late tonight to Thursday morning.
* At 9 AM Sunday the stage was 15.3 feet.
* Minor flooding is forecast.
* Flood stage is 16.0 feet.
* At stages near 17.0 feet...About 6500 acres of farm land are 
  flooded. 

&&
 
LAT...LON 4296 9657 4296 9645 4286 9652 4273 9648
          4273 9669 4277 9667

$$

IAC041-059-251556-
/O.CAN.KFSD.FL.W.0014.000000T0000Z-180325T1526Z/
/MIFI4.1.ER.180318T0036Z.180320T0400Z.180325T1115Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning is cancelled for
  The Little Sioux River Near Milford.
* At 9 AM Sunday the stage was 11.9 feet.
* Flood stage is 12.0 feet.
* At stages near 12.0 feet...Minor flooding of low lying
  agricultural lands begins. 

&&
 
LAT...LON 4350 9533 4350 9526 4334 9519 4334 9516
          4328 9517 4329 9524

$$

IAC041-261925-
/O.CON.KFSD.FL.W.0018.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.180321T2200Z.180330T1200Z.000000T0000Z.NO/
1026 AM CDT Sun Mar 25 2018

The Flood Warning continues for
  The Little Sioux River At Spencer.
* Until further notice.
* At 9 AM Sunday the stage was 10.5 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on
  Friday March 23.
* Forecast...The river will continue rising to near 11.3 feet by 
  Friday March 30. Additional rises may be possible thereafter.
* At stages near 10.0 feet...The right bank overflows, and minor 
  flooding of the Spencer city park and some rural agricultural
  areas begins. 

&&
 
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
          4302 9510 4310 9510

$$

&& 
Location Flood  Latest Observed  Maximum Forecast  Recent Observed
         Stage  Stage  Time      Stage  Time       Crest Time

JAMES RIVER
JRMS2    17.0   17.67 Sun 9 AM                     18.1  Wed Mar 21
SCOS2    13.0   13.38 Sun 9 AM   13.5  Mon 7 AM

BIG SIOUX RIVER
BRCS2    8.0     8.96 Sun 9 AM                      9.4  Fri Mar 23
BRKS2    9.0     9.29 Sun 9 AM    9.3  Sun 1 PM
DERS2    12.0   12.83 Sun 9 AM                     13.0  Sat Mar 24
SFLS2    12.0   12.38 Sun 9 AM                     14.6  Sat Mar 24
HWDI4    19.0   20.15 Sun 9 AM   21.2  Mon 7 AM
AKRI4    16.0   15.27 Sun 9 AM   16.7  Tue 1 AM

LITTLE SIOUX RIVER
MIFI4    12.0   11.89 Sun 9 AM                     13.6  Mon Mar 19
SPWI4    10.0   10.52 Sun 9 AM                     11.6  Fri Mar 16

TRM
772 
WGUS83 KFSD 261520
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1020 AM CDT Mon Mar 26 2018

...The Flood Warning is cancelled for the following rivers in Iowa...
South Dakota...

  Big Sioux River At Akron

...The Flood Warning continues for the following rivers in South 
Dakota...Iowa...

  James River At Mitchell
  James River Near Scotland
  Vermillion River Near Davis
  Big Sioux River Near Dell Rapids
  Big Sioux River At Sioux Falls I-90
  Big Sioux River above Hawarden
  Little Sioux River At Spencer
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC035-061-271921-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-180328T0600Z/
/JRMS2.1.ER.180319T0422Z.180321T1245Z.180327T0600Z.NO/
1020 AM CDT Mon Mar 26 2018

The Flood Warning continues for
  The James River At Mitchell.
* until late Tuesday night.
* At 09AM Monday the stage was 17.3 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 17.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Tuesday morning.
* At stages near 17.0 feet...The lower banks overflow. 

&&
 
LAT...LON 4393 9812 4393 9798 4370 9789 4340 9763
          4338 9777 4351 9797

$$

SDC067-135-271921-
/O.EXT.KFSD.FL.W.0025.000000T0000Z-180330T0300Z/
/SCOS2.1.ER.180325T0100Z.180326T1800Z.180329T0300Z.NO/
1020 AM CDT Mon Mar 26 2018

The Flood Warning continues for
  The James River Near Scotland.
* until Thursday evening.
* At 09AM Monday the stage was 13.6 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 13.0 feet.
* Forecast...The river will crest 13.7 feet this evening.
* At stages near 14.0 feet...Approximately 4400 acres of farm land 
  are flooded between Mitchell and Yankton. 

&&
 
LAT...LON 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

$$

SDC125-271921-
/O.EXT.KFSD.FL.W.0028.000000T0000Z-180328T0600Z/
/DVSS2.1.ER.000000T0000Z.180325T2055Z.180327T0600Z.NO/
1020 AM CDT Mon Mar 26 2018

The Flood Warning continues for
  The Vermillion River Near Davis.
* until late Tuesday night.
* At 08AM Monday the stage was 11.9 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 11.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Tuesday March 27.
* At stages near 12.0 feet...Highway 18 west of Davis will being 
  flooding, and several houses in the western parts of Davis are in 
  danger of flooding. 

&&
 
LAT...LON 4340 9710 4340 9704 4327 9696 4318 9689
          4310 9694 4310 9703

$$

SDC099-101-271921-
/O.EXT.KFSD.FL.W.0026.000000T0000Z-180330T0000Z/
/DERS2.1.ER.180324T2320Z.180324T2346Z.180329T0000Z.NO/
1020 AM CDT Mon Mar 26 2018

The Flood Warning continues for
  The Big Sioux River Near Dell Rapids.
* until Thursday evening.
* At 09AM Monday the stage was 12.8 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Wednesday March 28.
* At stages near 12.0 feet...Agricultural lands along the lower banks
  of the river begin to flood. 

&&
 
LAT...LON 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679

$$

SDC099-271921-
/O.EXT.KFSD.FL.W.0017.000000T0000Z-180331T0600Z/
/SFLS2.2.ER.180321T2000Z.180325T0500Z.180330T0600Z.NO/
1020 AM CDT Mon Mar 26 2018

The Flood Warning continues for
  The Big Sioux River At Sioux Falls I-90.
* until late Friday night.
* At 10AM Monday the stage was 13.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Friday March 30.
* 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

$$

IAC149-167-SDC127-271921-
/O.EXT.KFSD.FL.W.0022.000000T0000Z-000000T0000Z/
/HWDI4.1.ER.180324T1500Z.180325T1300Z.000000T0000Z.UU/
1020 AM CDT Mon Mar 26 2018

The Flood Warning continues for
  The Big Sioux River above Hawarden.
* until further notice.
* At 09AM Monday the stage was 19.8 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 19.0 feet.
* Forecast...The river will continue to fall to a stage of 19.1 feet 
  by 7 AM Tuesday.
* At stages near 19.0 feet...Agricultural flooding begins on the 
  South Dakota side of the river. 

&&
 
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654

$$

IAC149-SDC127-261550-
/O.CAN.KFSD.FL.W.0027.000000T0000Z-180329T1500Z/
/AKRI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1020 AM CDT Mon Mar 26 2018

The Flood Warning is cancelled for
  The Big Sioux River At Akron.
* At 10AM Monday the stage was 15.7 feet.
* Flood stage is 16.0 feet.
* Forecast...The river will crest below flood stage at 15.8 feet 
  Monday March 26.
* At stages near 16.0 feet...Several farm levees are overtopped with 
  significant flooding of agricultural lands. 

&&
 
LAT...LON 4296 9657 4296 9645 4286 9652 4273 9648
          4273 9669 4277 9667

$$

IAC041-271921-
/O.CON.KFSD.FL.W.0018.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.180321T2200Z.180331T0000Z.000000T0000Z.NO/
1020 AM CDT Mon Mar 26 2018

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until further notice.
* At 09AM Monday the stage was 10.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Forecast...The river will continue rising to near 11.5 feet by 
  Friday March 30. Additional rises may be possible thereafter.
* At stages near 10.0 feet...The right bank overflows, and minor 
  flooding of the Spencer city park and some rural agricultural
  areas begins. 

&&
 
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
          4302 9510 4310 9510

$$

&& 
Location Flood  Latest Observed  Maximum Forecast  Recent Observed
         Stage  Stage  Time      Stage  Time       Crest Time

JAMES RIVER
JRMS2    17.0   17.32 Mon 10 AM                     18.1  Wed Mar 21
SCOS2    13.0   13.60 Mon 9 AM    13.7  Mon 1 PM    

VERMILLION RIVER
DVSS2    11.0   11.90 Mon 8 AM                      12.0  Sun Mar 25

BIG SIOUX RIVER
DERS2    12.0   12.76 Mon 9 AM                      12.9  Sat Mar 24
SFLS2    12.0   13.00 Mon 10 AM                     14.6  Sat Mar 24
HWDI4    19.0   19.81 Mon 9 AM                      20.2  Sun Mar 25
AKRI4    16.0   15.69 Mon 10 AM   15.8  Mon 1 PM    

LITTLE SIOUX RIVER
SPWI4    10.0   10.01 Mon 9 AM    11.5  Fri 7 PM    

MG
118 
WGUS83 KFSD 271506
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1006 AM CDT Tue Mar 27 2018

...The Flood Warning is cancelled for the following rivers in South 
Dakota...

  Vermillion River Near Davis

  ...The Flood Warning continues for the following rivers in South 
Dakota...Iowa

  James River Near Scotland
  Vermillion River Near Wakonda
  Big Sioux River Near Dell Rapids
  Big Sioux River At Sioux Falls I-90
  Big Sioux River above Hawarden
  Little Sioux River At Spencer
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC067-135-281905-
/O.EXT.KFSD.FL.W.0025.000000T0000Z-180330T0000Z/
/SCOS2.1.ER.180325T0100Z.180327T0845Z.180329T0000Z.NO/
1006 AM CDT Tue Mar 27 2018

The Flood Warning continues for
  The James River Near Scotland.
* until Thursday evening.
* At 09AM Tuesday the stage was 13.7 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 13.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Wednesday March 28.
* At stages near 14.0 feet...Approximately 4400 acres of farm land 
  are flooded between Mitchell and Yankton. 

&&
 
LAT...LON 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

$$

SDC125-271536-
/O.CAN.KFSD.FL.W.0028.000000T0000Z-180328T0600Z/
/DVSS2.1.ER.000000T0000Z.180325T2055Z.180326T2300Z.NO/
1006 AM CDT Tue Mar 27 2018

The Flood Warning is cancelled for
  The Vermillion River Near Davis.
* At 08PM Monday the stage was 10.6 feet.
* Flood stage is 11.0 feet.
* Recent activity...The river fell below flood stage Monday March 
  26.
* Forecast...The river will continue to fall to 8.0 feet by 7 AM 
  Wednesday.

&&
 
LAT...LON 4340 9710 4340 9704 4327 9696 4318 9689
          4310 9694 4310 9703

$$

SDC027-281905-
/O.EXT.KFSD.FL.W.0029.000000T0000Z-180329T1240Z/
/WKAS2.1.ER.180327T1200Z.180328T0000Z.180328T1240Z.NO/
1006 AM CDT Tue Mar 27 2018

The Flood Warning continues for
  The Vermillion River Near Wakonda.
* until Thursday morning.
* At 07AM Tuesday the stage was 14.0 (Estimated) feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 14.0 feet.
* Recent activity...The river rose above flood stage on Tuesday March
  27.
* Forecast...The river will rise to 14.6 feet by Tuesday March 27.
* At stages near 15.0 feet...Highway 19 south of Centerville could 
  start flooding if the levees fail. 

&&
 
LAT...LON 4310 9703 4310 9694 4291 9690 4291 9701
          4295 9700 4300 9704

$$

SDC099-101-281905-
/O.EXT.KFSD.FL.W.0026.000000T0000Z-180330T0900Z/
/DERS2.1.ER.180324T2320Z.180324T2346Z.180329T0900Z.NO/
1006 AM CDT Tue Mar 27 2018

The Flood Warning continues for
  The Big Sioux River Near Dell Rapids.
* until late Thursday night.
* At 09AM Tuesday the stage was 12.5 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will fall below flood stage on Thursday 
  March 29.
* At stages near 12.0 feet...Agricultural lands along the lower
  banks of the river begin to flood. 

&&
 
LAT...LON 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679

$$

SDC099-281905-
/O.EXT.KFSD.FL.W.0017.000000T0000Z-180401T0600Z/
/SFLS2.2.ER.180321T2000Z.180325T0500Z.180331T0600Z.NO/
1006 AM CDT Tue Mar 27 2018

The Flood Warning continues for
  The Big Sioux River At Sioux Falls I-90.
* until late Saturday night.
* At 09AM Tuesday the stage was 12.9 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Saturday March 31.
* At stages near 12.0 feet...Some agricultural land between 60th 
  Street North and Interstate 90 begins to flood. 

&&
 
LAT...LON 4370 9679 4370 9672 4361 9674 4360 9674
          4360 9676 4366 9676

$$

IAC149-167-SDC127-281905-
/O.CON.KFSD.FL.W.0022.000000T0000Z-000000T0000Z/
/HWDI4.1.ER.180324T1500Z.180325T1300Z.000000T0000Z.UU/
1006 AM CDT Tue Mar 27 2018

The Flood Warning continues for
  The Big Sioux River above Hawarden.
* until further notice.
* At 09AM Tuesday the stage was 19.5 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 19.0 feet.
* Forecast...The river will fall below flood stage on Wednesday
  March 28, but additional rises back above flood stage may be 
  possible by the end of this week.
* At stages near 19.0 feet...Agricultural flooding begins on the 
  South Dakota side of the river. 

&&
 
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654

$$

IAC041-281905-
/O.CON.KFSD.FL.W.0018.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.180321T2200Z.180330T1800Z.000000T0000Z.NO/
1006 AM CDT Tue Mar 27 2018

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until further notice.
* At 09AM Tuesday the stage was 9.5 feet.
* Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Forecast...Rise above flood stage by Thursday March 29 and crest
  near 11.0 feet on Friday March 30. 
* At stages near 10.0 feet...The right bank overflows, and minor 
  flooding of the Spencer city park and some rural agricultural 
  areas begins. 

&&
 
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
          4302 9510 4310 9510

$$

&& 
Location Flood  Latest Observed  Maximum Forecast  Recent Observed
         Stage  Stage  Time      Stage  Time       Crest Time

JAMES RIVER
SCOS2    13.0   13.67 Tue 9 AM                     13.7  Mon Mar 26

VERMILLION RIVER
DVSS2    11.0   10.62 Mon 8 PM                     12.0  Sun Mar 25
WKAS2    14.0  E14.00 Tue 7 AM   14.6  Tue 7 PM  

BIG SIOUX RIVER
DERS2    12.0   12.54 Tue 10 AM                    12.9  Sat Mar 24
SFLS2    12.0   12.87 Tue 9 AM                     14.6  Sat Mar 24
HWDI4    19.0   19.48 Tue 9 AM                     20.2  Sun Mar 25

LITTLE SIOUX RIVER
SPWI4    10.0   9.53 Tue 9 AM    11.0  Fri 1 PM

MG
719 
WGUS83 KFSD 281524
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
1024 AM CDT Wed Mar 28 2018

...The Flood Warning is cancelled for the following rivers in South 
Dakota...

  Vermillion River Near Wakonda

  ...The Flood Warning continues for the following rivers in South 
Dakota...Iowa...

  James River Near Scotland
  Big Sioux River Near Dell Rapids
  Big Sioux River At Sioux Falls I-90
  Big Sioux River above Hawarden
  Little Sioux River At Spencer
  Little Sioux River At Linn Grove
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC067-135-291923-
/O.EXT.KFSD.FL.W.0025.000000T0000Z-180330T0300Z/
/SCOS2.1.ER.180325T0100Z.180327T0845Z.180329T0300Z.NO/
1024 AM CDT Wed Mar 28 2018

The Flood Warning continues for
  The James River Near Scotland.
* until Thursday evening.
* At 09AM Wednesday the stage was 13.3 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 13.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  late this afternoon.
* At stages near 13.0 feet...Significant agricultural flooding 
  begins. 

&&
 
LAT...LON 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

$$

SDC027-281554-
/O.CAN.KFSD.FL.W.0029.000000T0000Z-180329T1200Z/
/WKAS2.1.ER.180327T1200Z.180328T0000Z.180328T1200Z.NO/
1024 AM CDT Wed Mar 28 2018

The Flood Warning is cancelled for
  The Vermillion River Near Wakonda.
* At 07AM Wednesday the stage was 13.9 (Estimated) feet.
* Flood stage is 14.0 feet.
* Forecast...The river will continue to fall.
* At stages near 14.0 feet...Minor flooding of low lying areas begins
  in non-leveed areas and some agricultural land will flood if the 
  levees fail. 

&&
 
LAT...LON 4310 9703 4310 9694 4291 9690 4291 9701
          4295 9700 4300 9704

$$

SDC099-101-291923-
/O.EXT.KFSD.FL.W.0026.000000T0000Z-180330T1200Z/
/DERS2.1.ER.180324T2320Z.180324T2346Z.180329T1200Z.NO/
1024 AM CDT Wed Mar 28 2018

The Flood Warning continues for
  The Big Sioux River Near Dell Rapids.
* until Friday morning.
* At 09AM Wednesday the stage was 12.3 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Thursday March 29.
* At stages near 12.0 feet...Agricultural lands along the lower banks
  of the river begin to flood. 

&&
 
LAT...LON 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679

$$

SDC099-291923-
/O.EXT.KFSD.FL.W.0017.000000T0000Z-180401T0300Z/
/SFLS2.2.ER.180321T2000Z.180325T0500Z.180331T0300Z.NO/
1024 AM CDT Wed Mar 28 2018

The Flood Warning continues for
  The Big Sioux River At Sioux Falls I-90.
* until Saturday evening.
* At 10AM Wednesday the stage was 13.8 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Friday March 30.
* 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

$$

IAC149-167-SDC127-291923-
/O.EXT.KFSD.FL.W.0022.000000T0000Z-180401T0448Z/
/HWDI4.1.ER.180324T1500Z.180330T0000Z.180331T2248Z.UU/
1024 AM CDT Wed Mar 28 2018

The Flood Warning continues for
  The Big Sioux River above Hawarden.
* until Saturday evening.
* At 09AM Wednesday the stage was 19.7 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 19.0 feet.
* Forecast...The river will rise to 20.3 feet by Thursday March 29.
* At stages near 19.0 feet...Agricultural flooding begins on the 
  South Dakota side of the river. 

&&
 
LAT...LON 4331 9663 4331 9651 4314 9641 4303 9647
          4303 9654 4312 9654

$$

IAC041-291923-
/O.CON.KFSD.FL.W.0018.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.180321T2200Z.180330T0600Z.000000T0000Z.NO/
1024 AM CDT Wed Mar 28 2018

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until further notice.
* At 09AM Wednesday the stage was 9.8 feet.
* Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Forecast...Rise above flood stage by this evening and 
  continue to rise to near 10.9 feet by Friday March 30. 
* At stages near 10.0 feet...The right bank overflows, and minor 
  flooding of the Spencer city park and some rural agricultural 
  areas begins. 

&&
 
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
          4302 9510 4310 9510

$$

IAC021-041-291923-
/O.CON.KFSD.FL.W.0030.180331T0000Z-180403T0600Z/
/LNNI4.1.ER.180331T0000Z.180331T0600Z.180402T0600Z.NO/
1024 AM CDT Wed Mar 28 2018

The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* from Friday evening to late Monday night.
* At 10AM Wednesday the stage was 17.7 feet.
* Minor flooding is forecast.
* Flood stage is 18.0 feet.
* Forecast...The river will rise above flood stage on Friday
  March 30 and crest near 18.1 feet on Saturday March 31. The
  river is expected to fall below flood stage on Monday April 2.
* At stages near 18.5 feet...The city park in Sioux Rapids is 
  flooded. 

&&
 
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
          4296 9543 4293 9520

$$

&& 
Location Flood  Latest Observed  Maximum Forecast  Recent Observed
         Stage  Stage  Time      Stage  Time       Crest Time

JAMES RIVER
SCOS2    13.0   13.27 Wed 9 AM                     13.7  Mon Mar 26

VERMILLION RIVER
WKAS2    14.0  E13.90 Wed 7 AM                     14.6  Tue Mar 27

BIG SIOUX RIVER
DERS2    12.0   12.30 Wed 9 AM                     12.9  Sat Mar 24
SFLS2    12.0   13.80 Wed 10 AM                    14.6  Sat Mar 24
HWDI4    19.0   19.71 Wed 9 AM    20.3  Thu 7 PM 

LITTLE SIOUX RIVER
SPWI4    10.0    9.84 Wed 9 AM    10.9  Fri 1 AM 
LNNI4    18.0   17.67 Wed 10 AM   18.1  Sat 1 AM 

MG
971 
WGUS83 KFSD 291437
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
937 AM CDT Thu Mar 29 2018

...The Flood Warning is cancelled for the following rivers in South 
Dakota...

  James River Near Scotland
  Big Sioux River Near Dell Rapids

  ...The Flood Warning continues for the following rivers in South 
Dakota...Iowa...Minnesota...

  Big Sioux River At Sioux Falls I-90
  Big Sioux River above Hawarden
  Big Sioux River At Akron
  Split Rock Creek Below Jasper
  Rock River At Rock Rapids
  Ocheyedan River Near Spencer
  Little Sioux River Near Milford
  Little Sioux River At Spencer
  Little Sioux River At Linn Grove
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC099-101-291507-
/O.CAN.KFSD.FL.W.0026.000000T0000Z-180330T1200Z/
/DERS2.1.ER.180324T2320Z.180324T2346Z.000000T0000Z.NO/
937 AM CDT Thu Mar 29 2018

The Flood Warning is cancelled for
  The Big Sioux River Near Dell Rapids.
* At 08AM Thursday the stage was 11.5 feet.
* Flood stage is 12.0 feet.
* Forecast...The river will crest below flood stage at 11.9 feet 
  Friday March 30.
* At stages near 12.0 feet...Agricultural lands along the lower banks
  of the river begin to flood. 

&&
 
LAT...LON 4394 9673 4394 9665 4379 9665 4379 9672
          4370 9672 4370 9679

$$

SDC099-301836-
/O.EXT.KFSD.FL.W.0017.000000T0000Z-180402T0600Z/
/SFLS2.2.ER.180321T2000Z.180325T0500Z.180401T0600Z.NO/
937 AM CDT Thu Mar 29 2018

The Flood Warning continues for
  The Big Sioux River At Sioux Falls I-90.
* until late Sunday night.
* At 09AM Thursday the stage was 13.5 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.0 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Sunday April 01.
* 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

$$

IAC149-167-SDC127-301836-
/O.EXT.KFSD.FL.W.0022.000000T0000Z-180401T0936Z/
/HWDI4.1.ER.180324T1500Z.180330T1200Z.180401T0336Z.UU/
937 AM CDT Thu Mar 29 2018

The Flood Warning continues for
  The Big Sioux River above Hawarden.
* until late Saturday night.
* At 08AM Thursday the stage was 21.4 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 19.0 feet.
* Forecast...The river will crest near 22.2 feet on Friday March 30.
* 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

$$

IAC149-SDC127-301836-
/O.EXT.KFSD.FL.W.0033.180329T1428Z-180402T0651Z/
/AKRI4.1.ER.180329T1415Z.180330T1800Z.180401T0651Z.NO/
937 AM CDT Thu Mar 29 2018

...Flood Warning extended until Monday April 02... 
The Flood Warning continues for
  The Big Sioux River At Akron.
* until late Sunday night.
* At 09AM Thursday the stage was 16.0 feet.
* Minor flooding is forecast.
* Flood stage is 16.0 feet.
* Forecast...The river will crest near 17.0 feet on Friday.
* At stages near 17.0 feet...About 6500 acres of farm land are 
  flooded. 

&&
 
LAT...LON 4296 9657 4296 9645 4286 9652 4273 9648
          4273 9669 4277 9667

$$

MNC133-SDC099-301836-
/O.CON.KFSD.FL.W.0031.000000T0000Z-000000T0000Z/
/JSPM5.1.ER.180329T0205Z.180329T0930Z.000000T0000Z.NO/
937 AM CDT Thu Mar 29 2018

The Flood Warning continues for
  The Split Rock Creek Below Jasper.
* until further notice.
* At 09AM Thursday the stage was 91.1 feet.
* Flood stage is 91.0 feet.
* Recent activity...The river rose above flood stage on Wednesday 
  March 28.
* 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

$$

IAC119-301836-
/O.EXT.KFSD.FL.W.0034.000000T0000Z-180331T0000Z/
/RAPI4.1.ER.180329T1037Z.000000T0000Z.180330T0000Z.NO/
937 AM CDT Thu Mar 29 2018

The Flood Warning continues for
  The Rock River At Rock Rapids.
* until Friday evening.
* At 09AM Thursday the stage was 12.9 feet.
* Flood stage is 13.0 feet.
* Recent activity...The river rose above flood stage on Thursday 
  March 29.
* Forecast...The river is expected to remain near flood stage 
  through this evening.
* At stages near 13.0 feet...The lower banks on the left side of the 
  river will begin flooding. 

&&
 
LAT...LON 4350 9625 4350 9614 4338 9611 4331 9618
          4334 9625 4341 9619

$$

IAC041-301836-
/O.EXT.KFSD.FL.W.0035.180329T1428Z-180331T1800Z/
/SPOI4.1.ER.180329T1340Z.180330T0000Z.180330T1800Z.NO/
937 AM CDT Thu Mar 29 2018

...Flood Warning extended until Saturday March 31... 
The Flood Warning continues for
  The Ocheyedan River Near Spencer.
* from this morning to Saturday afternoon.
* At 08AM Thursday the stage was 8.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 8.0 feet.
* Recent activity...The river rose above flood stage on Thursday 
  March 29.
* Forecast...The river will rise to 8.2 feet by Thursday March 29.
* At stages near 8.0 feet...Minor flooding of pasture land begins. 

&&
 
LAT...LON 4318 9540 4318 9533 4315 9520 4313 9513
          4312 9524 4315 9540

$$

IAC041-059-301836-
/O.CON.KFSD.FL.W.0032.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.180328T2305Z.180329T1315Z.000000T0000Z.NO/
937 AM CDT Thu Mar 29 2018

The Flood Warning continues for
  The Little Sioux River Near Milford.
* until further notice.
* At 08AM Thursday the stage was 12.5 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Wednesday 
  March 28.
* At stages near 12.0 feet...Minor flooding of low lying agricultural
  lands begins. 

&&
 
LAT...LON 4350 9533 4350 9526 4334 9519 4334 9516
          4328 9517 4329 9524

$$

IAC041-301836-
/O.CON.KFSD.FL.W.0018.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.180321T2200Z.180330T0600Z.000000T0000Z.NO/
937 AM CDT Thu Mar 29 2018

The Flood Warning continues for
  The Little Sioux River At Spencer.
* until further notice.
* At 08AM Thursday the stage was 11.5 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Wednesday 
  March 28.
* Forecast...The river will continue rising to near 11.8 feet by 
  Friday March 30. Additional rises may be possible thereafter.

&&
 
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
          4302 9510 4310 9510

$$

IAC021-041-301836-
/O.EXT.KFSD.FL.W.0030.180330T0600Z-000000T0000Z/
/LNNI4.1.ER.180330T0600Z.180401T0000Z.000000T0000Z.NO/
937 AM CDT Thu Mar 29 2018

...Flood Warning extended until further notice... 
The Flood Warning continues for
  The Little Sioux River At Linn Grove.
* from late tonight until further notice.
* At 09AM Thursday the stage was 17.8 feet.
* Minor flooding is forecast.
* Flood stage is 18.0 feet.
* Forecast...Rise above flood stage by Friday March 30 and continue 
  to rise to near 18.2 feet by Saturday March 31. additional rises 
  are possible thereafter.
* At stages near 18.5 feet...The city park in Sioux Rapids is 
  flooded. 

&&
 
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
          4296 9543 4293 9520

$$

SDC067-135-291507-
/O.CAN.KFSD.FL.W.0025.000000T0000Z-180330T0300Z/
/SCOS2.1.ER.180325T0100Z.180327T0845Z.180329T1115Z.NO/
937 AM CDT Thu Mar 29 2018

The Flood Warning is cancelled for
  The James River Near Scotland.
* At 08AM Thursday the stage was 12.96 feet.
* Flood stage is 13.0 feet.
* Recent activity...The river fell below flood stage at Thursday 
  March 29.
* Forecast...The river will continue to fall to 12.1 feet by 7 AM 
  Friday.
* At stages near 13.0 feet...Significant agricultural flooding 
  begins. 

&&
 
LAT...LON 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

$$

&& 
Location Flood  Latest Observed  Maximum Forecast  Recent Observed
         Stage  Stage  Time      Stage  Time       Crest Time

BIG SIOUX RIVER
DERS2    12.0   11.46 Thu 9 AM   11.9  Fri 7 PM    12.9  Sat Mar 24
SFLS2    12.0   13.50 Thu 9 AM                     14.6  Sat Mar 24
HWDI4    19.0   21.44 Thu 8 AM   22.2  Fri 7 AM 
AKRI4    16.0   15.98 Thu 9 AM   17.0  Fri 1 PM 

SPLIT ROCK CREEK
JSPM5    91.0   91.10 Thu 9 AM                     91.3  Thu Mar 29

ROCK RIVER
RAPI4    13.0   12.89 Thu 9 AM                     13.2  Thu Mar 29

OCHEYEDAN RIVER
SPOI4     8.0    8.01 Thu 9 AM    8.2  Thu 7 PM 

LITTLE SIOUX RIVER
MIFI4    12.0   12.47 Thu 8 AM                     13.6  Mon Mar 19
SPWI4    10.0   11.49 Thu 8 AM   11.8  Fri 1 AM 
LNNI4    18.0   17.80 Thu 9 AM   18.2  Sat 7 PM 

JAMES RIVER
SCOS2    13.0   12.96 Thu 8 AM                     13.7  Mon Mar 26

MG

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this river flood warning went out at Mar 24, 6:27 PM CDT, 2 hours 56 minutes earlier.

Area forecast discussion, Mar 24, 6:27 PM CDT, 2 hours 56 minutes before
Area Forecast Discussion
National Weather Service Sioux Falls SD
627 PM CDT Sat Mar 24 2018

.SHORT TERM...(This evening through Sunday)
Issued at 427 PM CDT Sat Mar 24 2018

Brief quiet period this evening, before warm advection ahead of a
subtle mid-level wave starts generating light precipitation in
central South Dakota. This will gradually work eastward through the
day, but is expected to diminish as it progresses east through the
early afternoon. Limited mid-level moisture and generally weak lift
should lead to primarily freezing drizzle or drizzle late tonight
into Sunday. Could see some light icing in areas west of I-29 prior
to temperatures warming up tomorrow morning, but given an expected
scattered nature to the precipitation and light amounts, opting to
cover this potential in the HWO and via social media and not issue
any winter weather headlines at this time. Expecting temperatures in
our west to only dip to a degree or two below freezing tonight in
these areas, and with daytime road surface temperatures warming well
above freezing, impacts may also be confined to elevated/untreated
surfaces, even during the early morning.

.LONG TERM...(Sunday night through Saturday)
Issued at 427 PM CDT Sat Mar 24 2018

Stronger trough will impact the region Sunday night through Monday,
and again (possibly even more-so), precipitation type will be highly
uncertain. Part of the difficulty is variance among the models in
the available moisture below -10C, and thus the potential for
freezing drizzle or drizzle as opposed to rain/snow. With this in
mind, QPF may be a little too high, but confidence in any one
solution is too low to make adjustments to the blended forecast at
this time.

Given the above-mentioned lack of mid-level moisture, and thermal
profiles which nudge above zero across a good portion of the area,
periods of freezing drizzle/rain and associated icing are certainly
possible. However, as mentioned in the short-term section, any icing
impacts, especially during the day, may be limited due to warming
road temps. Will try to hone in on the area of greatest icing risk
over the next couple of forecast cycles, but for now, will focus on
the HWO and social media to heighten awareness of the potential.

Beyond Monday night, we get back into a more tranquil pattern. Not
completely dry as a cool, broad trough settles over the Plains for
midweek, but it appears that any precipitation chances will be
scattered and light.

&&

.AVIATION...(For the 00Z TAFS through 00Z Sunday evening)
Issued at 626 PM CDT Sat Mar 24 2018

Overall, MVFR is expected for the 00Z TAF period. However with an
easterly to southeast fetch of air continuing, it is possible that
a little VFR could sneak into KFSD between 06Z and 12Z Sunday. But
with warm air advection moving in on Sunday, MVFR ceilings will
move back in at KFSD.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...None.
MN...None.
IA...None.
NE...None.
&&

SHORT TERM...JH
LONG TERM...JH
AVIATION...MJ
Hazardous weather outlook, Mar 24, 5:02 PM CDT, 4 hours 21 minutes before
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
502 PM CDT Sat Mar 24 2018

SDZ038-039-050-052>055-057>061-063>066-252215-
Beadle-Kingsbury-Gregory-Jerauld-Sanborn-Miner-Lake-Brule-Aurora-
Davison-Hanson-McCook-Charles Mix-Douglas-Hutchinson-Turner-
502 PM CDT Sat Mar 24 2018

This Hazardous Weather Outlook is for portions of central South
Dakota, east central South Dakota, south central South Dakota,
and southeast South Dakota.

.DAY ONE...Tonight

Minor flooding is occurring on some local rivers and creeks due
to rainfall and melting snow.

Late tonight and early Sunday, there is a chance of freezing
drizzle. Any freezing drizzle will be light and will end by mid
to late morning Sunday as temperatures warm to above freezing. Be
alert for slick surfaces however early Sunday morning if freezing
drizzle occurs.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Late Sunday night into Monday morning, freezing rain and even some
light snow is likely. However, freezing rain is expected to
change to rain by late Monday morning limiting ice amounts.
Untreated road surfaces will likely become quite slick late Sunday
morning and early Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ040-056-062-067-252215-
Lyon IA-Osceola-Dickinson-Sioux-O'Brien-Clay IA-Cherokee-
Buena Vista-Ida-Lincoln MN-Lyon MN-Murray-Cottonwood-Nobles-
Jackson-Pipestone-Rock-Brookings-Moody-Minnehaha-Lincoln SD-
502 PM CDT Sat Mar 24 2018

This Hazardous Weather Outlook is for portions of northwest Iowa,
west central Iowa, southwest Minnesota, east central South
Dakota, and southeast South Dakota.

.DAY ONE...Tonight

Minor flooding is occurring on some local rivers and creeks due
to rainfall and melting snow.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Sunday night and Monday morning, freezing rain and a wintry mix is
likely. Freezing rain should change over to liquid precipitation
by midday Monday. At this time, ice amounts are uncertain and
are dependent on elevation, precipitation rate, and local surface
temperature. But untreated road surfaces could become quite
slick.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

IAZ020-031-NEZ014-SDZ071-252215-
Plymouth-Woodbury-Dakota-Union-
502 PM CDT Sat Mar 24 2018

This Hazardous Weather Outlook is for portions of northwest Iowa,
west central Iowa, northeast Nebraska, and southeast South
Dakota.

.DAY ONE...Tonight

Minor flooding is occurring on some local rivers and creeks due
to rainfall and melting snow.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Other than some flooding on local rivers and creeks, hazardous
weather is not expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

NEZ013-SDZ068>070-252215-
Dixon-Bon Homme-Yankton-Clay SD-
502 PM CDT Sat Mar 24 2018

This Hazardous Weather Outlook is for portions of northeast
Nebraska and southeast South Dakota.

.DAY ONE...Tonight

Minor flooding is occurring on some local rivers and creeks due
to rainfall and melting snow.

Late tonight, there is a chance of freezing drizzle west of the
James River. Any freezing drizzle is expected to be light and
end by late morning Sunday.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Early Sunday, light freezing drizzle is possible. Roadways could
be slippery until mid to late morning when temperatures warm to
above freezing.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 25, 9:44 AM CDTRiver Flood WarningFSDUnion4 days
Mar 25, 3:28 PM CDTWinter Weather AdvisoryFSDBrookings, Kingsbury, Lake, Lincoln, Minnehaha, Moody24 hr

Nearby

River Flood Warnings in South Dakota, 2018Every river flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.