Alert archive / Illinois / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 208, NWS Lincoln, IL

May 18, 20265 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 18, 2026, 8:18 AM CDT for 5 counties in Illinois. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 18, 2026, 8:18 AM CDT (13:18 UTC)
Expired: May 18, 2026, 8:57 AM CDT
In force: 39 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Fulton County, IL, Logan County, IL, Mason County, IL, Peoria County, IL, Tazewell County, IL

The radar

The Lincoln radar (KILX), 47 km from the middle of the area, began a volume at 13:22 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 6:58 PM CDT, 13 hours 20 minutes earlier.

Area forecast discussion, May 17, 6:58 PM CDT, 13 hours 20 minutes before

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Hazardous weather outlook, May 17, 1:49 PM CDT, 18 hours 29 minutes before

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  <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.
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      <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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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 9:24 AM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Woodford	22 min
May 18, 9:36 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Macon, Piatt	39 min
May 18, 9:44 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Edgar	46 min
May 18, 9:49 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	41 min
May 18, 10:20 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Macon, Moultrie, Piatt	40 min
May 18, 10:28 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	47 min
May 18, 11:24 AM CDT	Flood Watch	ILX	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 7 more	11 hr
May 18, 11:54 AM CDT	Areal Flood Advisory	ILX	Clay, Effingham, Jasper	6 hr
May 18, 12:12 PM CDT	River Flood Warning	ILX	Clay, Richland	7 days
May 18, 1:44 PM CDT	Flash Flood Warning	ILX	Clay, Effingham, Jasper	4 hr
May 18, 2:52 PM CDT	Flash Flood Warning	ILX	Clay	3 hr
May 18, 3:23 PM CDT	Areal Flood Advisory	ILX	Clay, Crawford, Jasper, Lawrence, Richland	3 hr
May 18, 5:50 PM CDT	Areal Flood Warning	ILX	Clay, Effingham, Jasper	15 hr
May 18, 5:58 PM CDT	River Flood Warning	ILX	Lawrence	4 days

Nearby

Severe Thunderstorm Warnings in Illinois, 2026 Every severe thunderstorm 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.