Alert archive / North Dakota / Frost Advisories in 2026

Frost Advisory 4, NWS Bismarck, ND

May 15, 20267 counties in North Dakota

NWS Bismarck, ND issued this frost advisory at May 15, 2026, 2:05 PM CDT for 7 counties in North Dakota. It took effect at May 16, 2026, 1:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: May 15, 2026, 2:05 PM CDT (19:05 UTC)
In effect from: May 16, 2026, 1:00 AM CDT
Expired: May 16, 2026, 9:00 AM CDT
In force: 8 hr
Issued by: NWS Bismarck, ND

Counties Burke County, ND, Divide County, ND, McKenzie County, ND, Mountrail County, ND, Renville County, ND, Ward County, ND, Williams County, ND

The radar

The Minot AFB radar (KMBX), 131 km from the middle of the area, began a volume at 19:03 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.

What forecasters said that day

The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Bismarck, ND wrote its last area forecast discussion before this frost advisory went out at May 15, 1:06 PM CDT, 59 minutes earlier.

Area forecast discussion, May 15, 1:06 PM CDT, 59 minutes before

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Hazardous weather outlook, May 15, 1:55 PM CDT, 10 minutes before

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<head>
  <meta charset="utf-8">
  <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.
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The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 2:41 AM CDT	Wind Advisory	BIS	Divide	18 hr

Nearby

Frost Advisories in North Dakota, 2026 Every frost advisory 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.