Alert archive / Montana / Mesoscale Discussions in 2026

Mesoscale Discussion 950

June 1, 20266 counties in Montana; Billings County, Golden Valley County, North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2026, 7:19 PM MDT for 6 counties in Montana; Billings County, Golden Valley County, North Dakota. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued
Jun 1, 2026, 7:19 PM MDT (01:19 UTC)
Expired
Jun 1, 2026, 8:45 PM MDT
In force
86 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
5%

Counties Custer County, MT, Dawson County, MT, Fallon County, MT, Prairie County, MT, Richland County, MT, Wibaux County, MT, Billings County, ND, Golden Valley County, ND

The radar

The Glasgow radar (KGGW), 203 km from the middle of the area, began a volume at 01:22 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 text

As transmitted.

<!doctype html>
<html lang="en">
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 10:59 AM MDTMesoscale DiscussionSPCAdams, Benson, Bottineau, Burleigh, Grant, Hettinger and 15 more91 min
Jun 2, 12:44 PM MDTMesoscale DiscussionSPCAdams, Benson, Bottineau, Burleigh, Cavalier, Eddy and 23 more2 hr
Jun 2, 2:04 PM MDTSevere Thunderstorm WatchSPCAdams, Barnes, Benson, Bottineau, Burleigh, Cavalier and 30 more7 hr
Jun 2, 3:53 PM MDTMesoscale DiscussionSPCAdams2 hr
Jun 2, 4:28 PM MDTMesoscale DiscussionSPCBenson, Cavalier, Eddy, Emmons, Foster, Griggs and 9 more2 hr

Nearby

Mesoscale Discussions in Montana, 2026Mesoscale Discussions in North Dakota, 2026Every mesoscale discussion 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.