Flood in South Dakota, April 28 to 30, 2016

Name: Flood in South Dakota, April 28 to 30, 2016
Start: 2016-04-28T00:00
End: 2016-04-30T23:59
Location: South Dakota

April 28 to 30, 2016 · NWS FSD · 1 event in 1 county or zone

Runoff from repeated heavy rain caused minor to moderate flooding of the Vermillion River in late April 2016.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
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Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS FSD wrote it up.

Runoff from repeated heavy rain caused minor to moderate flooding of the Vermillion River in late April 2016.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Apr 27, 9:51 PM CST, 2 hours 9 minutes earlier.

Area forecast discussion, Apr 27, 9:51 PM CST, 2 hours 9 minutes before

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Hazardous weather outlook, Apr 27, 3:25 AM CST, 20 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
425 AM CDT WED APR 27 2016

IAZ001>003-012-020-031-032-MNZ071-072-080-081-089-090-097-098-
NEZ013-014-SDZ038>040-050-052>071-280930-
LYON IA-OSCEOLA-DICKINSON-SIOUX-PLYMOUTH-WOODBURY-IDA-LINCOLN MN-
LYON MN-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-DIXON-
DAKOTA-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-
LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-
CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN SD-BON HOMME-
YANKTON-CLAY SD-UNION-
425 AM CDT WED APR 27 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
IOWA...WEST CENTRAL IOWA...SOUTHWEST MINNESOTA...NORTHEAST
NEBRASKA...CENTRAL SOUTH DAKOTA...EAST CENTRAL SOUTH DAKOTA...
SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND A FEW THUNDERSTORMS WILL BE POSSIBLE TODAY. SEVERE
WEATHER IS NOT EXPECTED. HOWEVER...AREAS OF HEAVY RAINFALL WILL BE
POSSIBLE...ESPECIALLY WEST OF THE JAMES RIVER.

RAIN MAY MIX WITH SNOW THURSDAY MORNING NORTH OF INTERSTATE 90. NO
ACCUMULATION IS EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
ADDITIONAL RAIN IS EXPECTED ACROSS THE REGION THROUGHOUT THE
WEEKEND. WHILE SEVERE WEATHER IS NOT EXPECTED...THE ADDITIONAL
MOISTURE MAY LEAD TO ADDITIONAL RISES ON AREA STREAMS AND RIVERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...RAINFALL REPORTS
WOULD BE APPRECIATED.

IAZ013-014-021-022-280930-
O'BRIEN-CLAY IA-CHEROKEE-BUENA VISTA-
425 AM CDT WED APR 27 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND A FEW THUNDERSTORMS WILL BE POSSIBLE TODAY. SEVERE
WEATHER IS NOT EXPECTED.

MINOR FLOODING IS EXPECTED ALONG THE LITTLE SIOUX RIVER NEAR
CHEROKEE...SPENCER AND LINN GROVE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

ADDITIONAL RAIN IS EXPECTED ACROSS THE REGION THROUGHOUT THE
WEEKEND. WHILE SEVERE WEATHER IS NOT EXPECTED...THE ADDITIONAL
MOISTURE MAY LEAD TO ADDITIONAL RISES ON AREA STREAMS AND RIVERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...RAINFALL REPORTS
WOULD BE APPRECIATED.

In the hours before

Local storm report, Apr 27, 8:05 PM CST, 3 hours 55 minutes before

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Local storm report, Apr 27, 8:18 PM CST, 3 hours 42 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 flood. Local standard time, as filed.

Flood, Clay

When: April 28, 12:00 AM CST to April 30, 11:59 PM CST
Where: Clay County, 6.44 mi NE of Wakonda to 3.21 mi NNW of Dalesburg
Cause: Heavy Rain
Reported by: River/Stream Gage
Coordinates: 43.086, -97.010

Runoff from repeated rains caused minor to moderate flooding of the Vermillion River during the last three days of April. Agricultural land along the river and a few county roads were flooded. The river reached a peak stage of 2.42 feet above flood stage at Wakonda at the end of the month.

What these are

Flood: Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in South Dakota in 2016 Every state in 2016 This day in weather history Warnings in South Dakota, April 2016

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 627930.