Alert archive / Illinois / Cold Weather Advisories in 2026

Cold Weather Advisory 4, NWS St. Louis, MO

January 26, 202611 counties in Illinois

NWS St. Louis, MO issued this cold weather advisory at Jan 26, 2026, 1:49 AM CST for 11 counties in Illinois. It took effect at Jan 26, 2026, 6:00 PM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 26, 2026, 1:49 AM CST (07:49 UTC)
In effect from
Jan 26, 2026, 6:00 PM CST
Expired
Jan 27, 2026, 3:00 AM CST
In force
9 hr
Issued by
NWS St. Louis, MO

Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL

The radar

The St Louis radar (KLSX), 95 km from the middle of the area, began a volume at 07:48 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 cold weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this cold weather advisory went out at Jan 25, 5:18 PM CST, 8 hours 31 minutes earlier.

Area forecast discussion, Jan 25, 5:18 PM CST, 8 hours 31 minutes before
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Hazardous weather outlook, Jan 25, 3:28 PM CST, 10 hours 21 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.
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Nearby

Cold Weather Advisories in Illinois, 2026Every cold weather 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.