Alert archive / Mississippi / River Flood Warnings in 2026

River Flood Warning 20, NWS Jackson, MS

June 18, 2026Simpson County, Mississippi

NWS Jackson, MS issued this river flood warning at Jun 18, 2026, 12:29 PM CDT for Simpson County, Mississippi. It took effect at Jun 18, 2026, 10:45 PM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Jun 18, 2026, 12:29 PM CDT (17:29 UTC)
In effect from: Jun 18, 2026, 10:45 PM CDT
Expired: Jun 22, 2026, 10:50 AM CDT
In force: 4 days
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: Minor

County Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 41 km from the middle of the area, began a volume at 17:32 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 Strong River at D'lo (DLAM6). The gauge peaked at 30.35 ft at Jun 20, 2026, 2:00 PM CDT.

Action stage: 24 ft
Minor stage: 25 ft
Moderate stage: 30 ft
Major stage: 33 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02487500, 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 Jackson, MS wrote its last area forecast discussion before this river flood warning went out at Jun 18, 10:05 AM CDT, 2 hours 24 minutes earlier.

Area forecast discussion, Jun 18, 10:05 AM CDT, 2 hours 24 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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In the hours before

Local storm report, Jun 18, 10:39 AM CDT, 1 hour 50 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.
      </p>
      <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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Local storm report, Jun 18, 11:29 AM CDT, 1 hour 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.
      </p>
      <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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Local storm report, Jun 18, 11:35 AM CDT, 54 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.
      </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>
    </section>
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Local storm report, Jun 18, 11:38 AM CDT, 51 minutes before

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  <title>Service Notice</title>
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</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>
    </section>
  </main>
  <script src="index.js"></script>
</body>
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Local storm report, Jun 18, 11:41 AM CDT, 48 minutes before

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<head>
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</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>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 18, 11:50 AM CDT, 39 minutes before

<!doctype html>
<html lang="en">
<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
  <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>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 11:28 PM CDT	Special Weather Statement	JAN	Covington, Jefferson Davis, Lamar, Lawrence, Marion, Simpson	62 min
Jun 18, 1:32 AM CDT	Special Weather Statement	JAN	Lamar	58 min
Jun 18, 2:23 AM CDT	Special Weather Statement	JAN	Covington, Jones	67 min
Jun 18, 3:00 AM CDT	Special Weather Statement	JAN	Neshoba	60 min
Jun 18, 3:11 AM CDT	Special Weather Statement	JAN	Jasper, Newton	64 min
Jun 18, 3:57 AM CDT	Special Weather Statement	JAN	Neshoba	63 min
Jun 18, 3:58 AM CDT	Special Weather Statement	JAN	Winston	77 min
Jun 18, 5:28 AM CDT	Special Weather Statement	JAN	Yazoo	77 min
Jun 18, 5:47 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones, Lamar	3 hr
Jun 18, 5:59 AM CDT	Special Weather Statement	JAN	Simpson, Smith	76 min
Jun 18, 6:42 AM CDT	Special Weather Statement	JAN	Holmes, Humphreys, Yazoo	78 min
Jun 18, 8:23 AM CDT	Special Weather Statement	JAN	Scott, Smith	37 min
Jun 18, 8:44 AM CDT	Flash Flood Warning	JAN	Adams, Claiborne, Franklin, Jefferson	6 hr
Jun 18, 8:52 AM CDT	Flash Flood Warning	JAN	Rankin, Scott, Simpson, Smith	6 hr
Jun 18, 9:54 AM CDT	Flash Flood Warning	JAN	Forrest, Lamar	6 hr
Jun 18, 1:10 PM CDT	Special Weather Statement	JAN	Clarke, Jasper, Lauderdale	65 min
Jun 18, 1:52 PM CDT	River Flood Warning	JAN	Leake	7 days
Jun 18, 4:07 PM CDT	Areal Flood Warning	JAN	Rankin, Scott, Simpson, Smith	16 hr

Nearby

River Flood Warnings in Mississippi, 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.