Alert archive / South Dakota / River Flood Warnings in 2026

River Flood Warning 3, NWS Aberdeen, SD

July 8, 2026Codington County, South Dakota

NWS Aberdeen, SD issued this river flood warning at Jul 8, 2026, 6:39 PM CDT for Codington County, South Dakota. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 8, 2026, 6:39 PM CDT (23:39 UTC)
Expired: Jul 9, 2026, 3:41 AM CDT
In force: 9 hr
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Flood severity: Minor

County Codington County, SD

The radar

The Aberdeen radar (KABR), 110 km from the middle of the area, began a volume at 23:38 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 Willow Creek near Watertown (WWCS2). The gauge peaked at 10.64 ft at Jul 8, 2026, 8:00 PM CDT.

Action stage: 9 ft
Minor stage: 10 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06479515, 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 Aberdeen, SD wrote its last area forecast discussion before this river flood warning went out at Jul 8, 6:35 PM CDT, 4 minutes earlier.

Area forecast discussion, Jul 8, 6:35 PM CDT, 4 minutes before

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Hazardous weather outlook, Jul 8, 3:09 AM CDT, 15 hours 30 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Local storm report, Jul 8, 1:08 PM CDT, 5 hours 31 minutes before

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<head>
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  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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</body>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:17 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, Corson, Walworth	43 min
Jul 7, 7:50 PM CDT	Special Weather Statement	ABR	Walworth	25 min
Jul 7, 8:04 PM CDT	Severe Thunderstorm Warning	ABR	Brown, Day, Marshall	41 min
Jul 7, 8:10 PM CDT	Severe Thunderstorm Warning	ABR	Walworth	35 min
Jul 7, 8:36 PM CDT	Severe Thunderstorm Warning	ABR	Brown, Clark, Day, Spink	39 min
Jul 7, 8:50 PM CDT	Flood Watch	ABR	Campbell, Corson, Edmunds, McPherson, Walworth	3 hr
Jul 7, 8:54 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, Dewey, Walworth	51 min
Jul 7, 8:58 PM CDT	Severe Thunderstorm Warning	ABR	Day, Marshall, Roberts	47 min
Jul 7, 9:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Clark, Codington, Day, Grant, Roberts	48 min
Jul 7, 9:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Day, Grant, Marshall, Roberts	49 min
Jul 7, 10:22 PM CDT	Severe Thunderstorm Warning	ABR	Codington, Grant, Roberts	53 min
Jul 7, 11:00 PM CDT	Special Weather Statement	ABR	Brown	45 min
Jul 7, 11:59 PM CDT	Flood Watch	ABR	Brown, Day, Grant, Marshall, Roberts	5 hr
Jul 8, 12:27 AM CDT	Severe Thunderstorm Warning	ABR	Clark, Day	27 min
Jul 8, 1:11 AM CDT	Areal Flood Warning	ABR	Day	7 hr
Jul 8, 1:33 AM CDT	Areal Flood Warning	ABR	Brown	10 min
Jul 8, 1:43 AM CDT	Flash Flood Warning	ABR	Brown	6 hr
Jul 8, 2:06 AM CDT	Areal Flood Warning	ABR	Brown, Day, Marshall	6 hr
Jul 8, 2:19 AM CDT	River Flood Warning	ABR	Brown	8 hr
Jul 8, 2:51 AM CDT	Areal Flood Warning	ABR	Clark, Codington, Day, Deuel, Grant, Roberts	6 hr
Jul 8, 5:16 PM CDT	River Flood Warning	ABR	Codington	25 hr

Nearby

River Flood Warnings in South Dakota, 2026 Every river flood warning in 2026

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.