Alert archive / Ohio / River Flood Warnings in 2026

River Flood Warning 7, NWS Wilmington, OH

March 4, 2026Hamilton County, Ohio

NWS Wilmington, OH issued this river flood warning at Mar 4, 2026, 5:38 AM EST for Hamilton County, Ohio. It took effect at Mar 4, 2026, 8:52 AM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Mar 4, 2026, 5:38 AM EST (10:38 UTC)
In effect from: Mar 4, 2026, 8:52 AM EST
Expired: Mar 4, 2026, 9:44 PM EST
In force: 13 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: Minor

County Hamilton County, OH

The radar

The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 10:41 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 Great Miami River at Miamitown (MIAO1). The gauge peaked at 21.35 ft at Mar 5, 2026, 12:00 PM EST.

Action stage: 14 ft
Minor stage: 16 ft
Moderate stage: 24 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03274615, 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 Wilmington, OH wrote its last area forecast discussion before this river flood warning went out at Mar 4, 2:25 AM EST, 3 hours 13 minutes earlier.

Area forecast discussion, Mar 4, 2:25 AM EST, 3 hours 13 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        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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Hazardous weather outlook, Mar 4, 3:25 AM EST, 2 hours 13 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, Mar 4, 3:43 AM EST, 1 hour 55 minutes before

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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.
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Special weather statement, Mar 4, 3:51 AM EST, 1 hour 47 minutes before

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<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 Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 3, 8:17 PM EST	River Flood Warning	ILN	Hamilton	9 hr
Mar 3, 10:28 PM EST	River Flood Warning	ILN	Warren	48 hr
Mar 4, 12:20 AM EST	Areal Flood Advisory	ILN	Butler, Warren	10 hr
Mar 4, 1:55 AM EST	River Flood Warning	ILN	Clermont, Hamilton	29 hr
Mar 4, 5:59 AM EST	River Flood Advisory	ILN	Hamilton	11 hr
Mar 4, 1:22 PM EST	Special Weather Statement	ILN	Owen	23 min
Mar 3, 10:51 PM EST	Areal Flood Advisory	ILN	Fayette, Franklin, Union, Wayne	14 hr

Nearby

River Flood Warnings in Ohio, 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.