Alert archive / Wyoming / Flash Flood Warnings in 2026

Flash Flood Warning 4, NWS Billings, MT

June 22, 2026Sheridan County, Wyoming

NWS Billings, MT issued this flash flood warning at Jun 22, 2026, 1:43 PM MDT for Sheridan County, Wyoming. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 22, 2026, 1:43 PM MDT (19:43 UTC)
Expired: Jun 22, 2026, 4:45 PM MDT
In force: 3 hr
Issued by: NWS Billings, MT
Area: Storm-based polygon
Flood severity: None

County Sheridan County, WY

The radar

The Billings radar (KBLX), 180 km from the middle of the area, began a volume at 19:43 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Billings, MT wrote its last area forecast discussion before this flash flood warning went out at Jun 22, 12:54 PM MDT, 49 minutes earlier.

Area forecast discussion, Jun 22, 12:54 PM MDT, 49 minutes before

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In the hours before

Local storm report, Jun 22, 10:49 AM MDT, 2 hours 54 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.
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Special weather statement, Jun 22, 11:26 AM MDT, 2 hours 17 minutes before

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<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>
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Special weather statement, Jun 22, 1:35 PM MDT, 8 minutes before

<!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>

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 2:00 AM MDT	Special Weather Statement	BYZ	Yellowstone	45 min
Jun 22, 2:44 AM MDT	Special Weather Statement	BYZ	Yellowstone	46 min
Jun 22, 3:21 AM MDT	Areal Flood Advisory	BYZ	Musselshell, Yellowstone	3 hr
Jun 22, 3:29 AM MDT	Special Weather Statement	BYZ	Yellowstone	46 min
Jun 22, 11:26 AM MDT	Special Weather Statement	BYZ	Rosebud	49 min
Jun 22, 2:03 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	57 min
Jun 22, 2:11 PM MDT	Flash Flood Warning	BYZ	Rosebud	4 hr
Jun 22, 2:34 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	56 min
Jun 22, 4:21 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	33 min
Jun 22, 4:47 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BYZ	Big Horn	58 min
Jun 21, 8:23 PM MDT	Special Weather Statement	BYZ	Sheridan	52 min
Jun 22, 1:35 PM MDT	Special Weather Statement	BYZ	Sheridan	25 min
Jun 22, 1:57 PM MDT	Special Weather Statement	BYZ	Sheridan	48 min
Jun 22, 3:06 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	39 min
Jun 22, 5:40 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	41 min

Nearby

Flash Flood Warnings in Wyoming, 2026 Every flash 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.