Alert archive / Iowa / River Flood Warnings in 2024

River Flood Warning 61, NWS Sioux Falls, SD

June 21, 2024Sioux County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Jun 21, 2024, 4:11 AM CDT for Sioux County, Iowa. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Jun 21, 2024, 4:11 AM CDT (09:11 UTC)
Expired: Jun 21, 2024, 4:08 PM CDT
In force: 12 hr
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

County Sioux County, IA

The radar

The Sioux Falls radar (KFSD), 72 km from the middle of the area, began a volume at 09:10 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 Burr Oak Creek above Perkins (BOCI4). The gauge peaked at 22.60 ft at Jun 22, 2024, 12:00 AM CDT.

Action stage: 15 ft
Minor stage: 16 ft
Moderate stage: 18 ft
Major stage: 22 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06483495, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

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 Jun 20, 11:26 PM CDT, 4 hours 45 minutes earlier.

Area forecast discussion, Jun 20, 11:26 PM CDT, 4 hours 45 minutes before

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Hazardous weather outlook, Jun 20, 6:31 PM CDT, 9 hours 40 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
631 PM CDT Thu Jun 20 2024

SDZ050-057-058-063-064-212345-
Gregory-Brule-Aurora-Charles Mix-Douglas-
631 PM CDT Thu Jun 20 2024

This Hazardous Weather Outlook is for south central South Dakota.

.DAY ONE...Tonight.

Another round of showers and storms is expected to spread in from
central South Dakota tonight. There is a low risk of severe storms
this evening, and heavy downpours may lead to flash flooding
overnight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Another round of showers and storms is likely Friday night with
scattered strong to severe storms possible. All hazards are possible
with storms Friday night, including flash flooding.

By Saturday, a widespread 1 to 3 inches of rain is expected with
isolated amounts of 5 or more inches. Multiple periods of locally
heavy rainfall means ponding of water and rises in area streams and
creeks are expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

IAZ001-MNZ071-072-080-081-089-090-097-098-SDZ038>040-052>056-059>062-
065>070-212345-
Lyon-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-Beadle-
Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-Davison-Hanson-
McCook-Minnehaha-Hutchinson-Turner-Bon Homme-Yankton-Clay-
631 PM CDT Thu Jun 20 2024

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

.DAY ONE...Tonight.

Another round of showers and storms is expected to spread in from
central South Dakota tonight. While severe storms are not expected at
this time, heavy downpours may lead to flash flooding overnight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Another round of showers and storms is likely Friday night with
scattered strong to severe storms possible. All hazards are possible
with storms Friday night, including flash flooding.

By Saturday, a widespread 2 to 4 inches of rain i4s expected with
isolated amounts of 6 or more inches. Multiple periods of locally
heavy rainfall means ponding of water and rises in area streams and
creeks are expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

IAZ002-003-012>014-020>022-031-032-NEZ013-014-SDZ071-212345-
Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-
Woodbury-Ida-Dixon-Dakota-Union-
631 PM CDT Thu Jun 20 2024

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

.DAY ONE...Tonight.

Another round of showers and storms may spread in from central South
Dakota and Nebraska tonight. Severe weather is not expected at this
time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Another round of showers and storms may track through the region
Friday night with isolated strong to severe storms possible. All
hazards are possible with storms Friday night, including flash
flooding.

By Saturday, a widespread 1 to 2 inches of rain is expected with
isolated amounts of 3 or more inches. Multiple periods of locally
heavy rainfall means ponding of water and rises in area streams and
creeks are expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jun 21, 3:11 AM CDT, 1 hour before

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Local storm report, Jun 21, 3:14 AM CDT, 57 minutes before

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Local storm report, Jun 21, 3:16 AM CDT, 55 minutes before

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Local storm report, Jun 21, 3:17 AM CDT, 54 minutes before

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Local storm report, Jun 21, 3:46 AM CDT, 25 minutes before

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Local storm report, Jun 21, 4:03 AM CDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 8:29 PM CDT	Flash Flood Warning	FSD	Brule	3 hr
Jun 20, 9:06 PM CDT	Flash Flood Warning	FSD	Aurora, Brule, Davison	3 hr
Jun 20, 10:14 PM CDT	Flash Flood Warning	FSD	Davison, Hanson	11 hr
Jun 20, 11:01 PM CDT	Flash Flood Warning	FSD	Hanson, Lake, McCook, Miner, Minnehaha	9 hr
Jun 20, 11:20 PM CDT	Areal Flood Warning	FSD	Brule	12 hr
Jun 21, 12:10 AM CDT	Flash Flood Warning	FSD	Lincoln, Minnehaha, Turner	9 hr
Jun 21, 12:22 AM CDT	Flash Flood Warning	FSD	Hutchinson, Lincoln, Turner	9 hr
Jun 21, 12:30 AM CDT	Flash Flood Warning	FSD	Aurora, Brule, Davison	8 hr
Jun 21, 1:11 AM CDT	Flash Flood Warning	FSD	Minnehaha	8 hr
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Davison	7 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Lincoln	21 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Lincoln, Union	21 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	McCook	21 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Bon Homme, Hutchinson, Yankton	21 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Turner	6 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Turner	7 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Union	21 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Sanborn	21 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Davison, Hanson	21 days
Jun 21, 1:47 AM CDT	River Flood Warning	FSD	Minnehaha	3 days
Jun 21, 1:47 AM CDT	River Flood Warning	FSD	Minnehaha	21 days
Jun 21, 2:17 AM CDT	River Flood Warning	FSD	Turner	6 days
Jun 21, 2:29 AM CDT	Flash Flood Warning	FSD	Clay, Lincoln, Turner, Union, Yankton	7 hr
Jun 21, 2:32 AM CDT	River Flood Warning	FSD	Minnehaha	21 days
Jun 21, 2:32 AM CDT	River Flood Warning	FSD	Lincoln, Minnehaha	21 days
Jun 21, 3:19 AM CDT	River Flood Warning	FSD	Lincoln, Minnehaha	13 days
Jun 21, 4:51 AM CDT	River Flood Warning	FSD	Hutchinson	21 days
Jun 21, 6:24 AM CDT	River Flood Warning	FSD	Minnehaha	3 days
Jun 21, 6:24 AM CDT	River Flood Warning	FSD	Minnehaha	6 days
Jun 21, 6:24 AM CDT	River Flood Warning	FSD	Brookings, Moody	12 days
Jun 21, 6:24 AM CDT	River Flood Warning	FSD	Minnehaha	14 days
Jun 21, 7:42 AM CDT	Areal Flood Warning	FSD	Aurora, Brule	12 hr
Jun 21, 7:48 AM CDT	Areal Flood Warning	FSD	Aurora, Bon Homme, Clay, Davison, Hanson, Hutchinson and 7 more	50 hr
Jun 21, 7:53 AM CDT	Areal Flood Warning	FSD	Lake, Minnehaha, Moody	50 hr
Jun 21, 8:02 AM CDT	Areal Flood Warning	FSD	Lincoln, Turner, Union	3 days
Jun 21, 8:31 AM CDT	River Flood Warning	FSD	McCook	21 days
Jun 21, 8:34 AM CDT	River Flood Warning	FSD	Minnehaha	4 days
Jun 21, 9:44 AM CDT	River Flood Warning	FSD	Minnehaha, Moody	21 days
Jun 21, 9:44 AM CDT	River Flood Warning	FSD	Turner	21 days
Jun 21, 9:58 AM CDT	Areal Flood Warning	FSD	Bon Homme, Charles Mix, Hutchinson	12 hr
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Yankton	21 days
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Clay	21 days
Jun 21, 1:34 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Charles Mix, Davison, Douglas, Hutchinson	41 min
Jun 21, 5:07 PM CDT	Severe Thunderstorm Warning	FSD	Lake, McCook, Miner, Minnehaha	38 min
Jun 21, 5:40 PM CDT	Severe Thunderstorm Warning	FSD	Lake, McCook, Minnehaha, Moody	50 min
Jun 21, 5:48 PM CDT	Flash Flood Warning	FSD	Davison, Hanson, Lake, McCook, Miner, Moody and 1 more	3 hr
Jun 21, 6:27 PM CDT	Flash Flood Warning	FSD	Brookings, Moody	4 hr
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Dickinson	9 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Dickinson	12 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	O'Brien, Sioux	3 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Cherokee	21 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Plymouth, Sioux	4 days
Jun 21, 1:24 AM CDT	River Flood Warning	FSD	Lyon, Sioux	5 days
Jun 21, 3:45 AM CDT	Flash Flood Warning	FSD	O'Brien, Osceola, Sioux	6 hr
Jun 21, 6:15 AM CDT	Areal Flood Warning	FSD	Clay, Dickinson, O'Brien, Osceola	12 hr
Jun 21, 6:24 AM CDT	River Flood Warning	FSD	O'Brien	9 days
Jun 21, 6:29 AM CDT	River Flood Warning	FSD	O'Brien	21 days
Jun 21, 7:39 AM CDT	River Flood Warning	FSD	Lyon	21 days
Jun 21, 7:39 AM CDT	River Flood Warning	FSD	Lyon	21 days
Jun 21, 9:44 AM CDT	River Flood Warning	FSD	Clay, O'Brien	4 days
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Plymouth, Sioux	72 hr
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Plymouth	4 days
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Plymouth	4 days
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Cherokee, Ida, Woodbury	21 days
Jun 21, 3:46 PM CDT	Tornado Warning	FSD	O'Brien, Sioux	29 min
Jun 21, 4:13 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Osceola	32 min
Jun 21, 4:18 PM CDT	Tornado Warning	FSD	O'Brien	27 min
Jun 21, 4:41 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	34 min
Jun 21, 5:10 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	50 min
Jun 21, 3:47 AM CDT	River Flood Warning	FSD	Rock	21 days
Jun 21, 5:40 AM CDT	River Flood Warning	FSD	Pipestone	21 days
Jun 21, 6:24 AM CDT	River Flood Warning	FSD	Rock	3 days
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Cottonwood, Jackson	21 days
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Jackson	17 days
Jun 21, 12:41 PM CDT	River Flood Warning	FSD	Lyon	5 days

Nearby

River Flood Warnings in Iowa, 2024 Every river flood warning in 2024

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.