Alert archive / Nebraska / Red Flag Warnings in 2026

Red Flag Warning 43, NWS Cheyenne, WY

September 13, 20266 counties in Wyoming; 7 counties in Nebraska

NWS Cheyenne, WY issued this red flag warning at Sep 13, 2026, 12:57 PM MDT for 6 counties in Wyoming; 7 counties in Nebraska. It took effect at Sep 14, 2026, 12:00 PM MDT. It was in force for 8 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
Sep 13, 2026, 12:57 PM MDT (18:57 UTC)
In effect from
Sep 14, 2026, 12:00 PM MDT
Expired
Sep 14, 2026, 8:00 PM MDT
In force
8 hr
Issued by
NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 115 km from the middle of the area, began a volume at 18:57 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 red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this red flag warning went out at Sep 13, 5:38 AM MDT, 7 hours 19 minutes earlier.

Area forecast discussion, Sep 13, 5:38 AM MDT, 7 hours 19 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>

In the hours before

Local storm report, Sep 13, 8:29 AM MDT, 4 hours 28 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 Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 13, 12:54 AM MDTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte29 hr
Sep 13, 1:07 AM MDTFire Weather WatchCYSAlbany, Carbon, Converse, Goshen, Niobrara, Platte12 hr
Sep 13, 2:32 PM MDTSpecial Weather StatementCYSPlatte28 min
Sep 13, 2:47 PM MDTSpecial Weather StatementCYSGoshen28 min
Sep 13, 3:18 PM MDTSpecial Weather StatementCYSGoshen27 min
Sep 13, 4:39 PM MDTSpecial Weather StatementCYSGoshen36 min
Sep 13, 5:09 PM MDTSpecial Weather StatementCYSGoshen36 min
Sep 13, 3:43 PM MDTSpecial Weather StatementCYSScotts Bluff47 min

Nearby

Red Flag Warnings in Nebraska, 2026Red Flag Warnings in Wyoming, 2026Every red flag 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.