Alert archive / Idaho / Mesoscale Discussions in 2026

Mesoscale Discussion 883

May 28, 202610 counties in Idaho; Lincoln County, Mineral County, Sanders County, Montana; 10 counties in Washington

The Storm Prediction Center issued this mesoscale discussion at May 28, 2026, 2:34 PM PDT for 10 counties in Idaho; Lincoln County, Mineral County, Sanders County, Montana; 10 counties in Washington. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued: May 28, 2026, 2:34 PM PDT (21:34 UTC)
Expired: May 28, 2026, 4:30 PM PDT
In force: 116 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...severe thunderstorm watch likely
Chance of a watch: 80%

All 23 counties

Benewah County, ID, Bonner County, ID, Boundary County, ID, Clearwater County, ID, Idaho County, ID, Kootenai County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Shoshone County, ID, Lincoln County, MT, Mineral County, MT, Sanders County, MT, Adams County, WA, Asotin County, WA, Columbia County, WA, Ferry County, WA, Garfield County, WA, Lincoln County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA, Whitman County, WA

The radar

The Spokane radar (KOTX), 114 km from the middle of the area, began a volume at 21:35 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 249May 28, 3:20 PM PDT

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.

Issued	Product	Office	Counties	Lasted
May 28, 11:29 AM PDT	Mesoscale Discussion	SPC	Canyon, Payette, Washington	3 hr
May 28, 12:49 PM PDT	Severe Thunderstorm Watch	SPC	Ada, Adams, Canyon, Gem, Owyhee, Payette and 1 more	7 hr
May 28, 3:15 PM PDT	Mesoscale Discussion	SPC	Ada, Adams, Canyon, Gem, Owyhee, Payette and 1 more	2 hr
May 28, 3:21 PM PDT	Severe Thunderstorm Watch	SPC	Benewah, Bonner, Boundary, Clearwater, Idaho, Kootenai and 4 more	9 hr

Nearby

Mesoscale Discussions in Idaho, 2026 Mesoscale Discussions in Washington, 2026 Mesoscale Discussions in Montana, 2026 Every 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.