Alert archive / Illinois / River Flood Warnings in 2026

River Flood Warning 1, NWS Quad Cities, IA

April 2, 2026Hancock County, McDonough County, Illinois

NWS Quad Cities, IA issued this river flood warning at Apr 2, 2026, 10:03 AM CDT for Hancock County, McDonough County, Illinois. It took effect at Apr 2, 2026, 10:15 PM CDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued: Apr 2, 2026, 10:03 AM CDT (15:03 UTC)
In effect from: Apr 2, 2026, 10:15 PM CDT
Expired: Apr 4, 2026, 9:59 PM CDT
In force: 48 hr
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Hancock County, IL, McDonough County, IL

The radar

The Quad Cities radar (KDVN), 134 km from the middle of the area, began a volume at 15:04 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 river

Written for the forecast point La Moine River at Colmar (CLMI2). The gauge peaked at 20.01 ft at Apr 4, 2026, 1:00 PM CDT.

Action stage: 19 ft
Minor stage: 20 ft
Moderate stage: 22 ft
Major stage: 24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05584500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

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

NWS Quad Cities, IA wrote its last area forecast discussion before this river flood warning went out at Apr 2, 5:54 AM CDT, 4 hours 9 minutes earlier.

Area forecast discussion, Apr 2, 5:54 AM CDT, 4 hours 9 minutes before

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Hazardous weather outlook, Apr 2, 5:08 AM CDT, 4 hours 55 minutes before

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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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In the hours before

Local storm report, Apr 2, 9:58 AM CDT, 5 minutes before

Preliminary Local Storm Report
National Weather Service Quad Cities IA IL
958 AM CDT Thu Apr 2 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0955 AM     Rain             2 W Genoa Bluff         41.72N 92.18W
04/02/2026  M1.10 Inch       Iowa               IA   Trained Spotter

            24-Hour rainfall total.

&&

MTF

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 2, 2:50 AM CDT	Wind Advisory	DVN	Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more	16 hr
Apr 2, 3:18 PM CDT	Tornado Warning	DVN	Jefferson, Keokuk, Washington	42 min
Apr 2, 3:56 PM CDT	Tornado Warning	DVN	Johnson, Washington	49 min
Apr 2, 3:59 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Johnson, Keokuk, Linn, Washington	61 min
Apr 2, 4:12 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Keokuk, Louisa, Washington	63 min
Apr 2, 4:27 PM CDT	Tornado Warning Tornado observed	DVN	Cedar, Johnson, Muscatine	48 min
Apr 2, 4:28 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa, Scott	62 min
Apr 2, 4:56 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Johnson, Jones, Muscatine and 1 more	64 min
Apr 2, 5:05 PM CDT	Tornado Warning	DVN	Cedar, Clinton, Scott	25 min
Apr 2, 5:14 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	46 min
Apr 2, 5:29 PM CDT	Tornado Warning	DVN	Clinton, Jackson	46 min
Apr 2, 5:46 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	44 min
Apr 2, 5:16 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Rock Island, Whiteside	59 min
Apr 2, 5:18 PM CDT	Tornado Warning	DVN	Warren	27 min
Apr 2, 6:04 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	56 min
Apr 2, 6:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Carroll, Whiteside	23 min
Apr 2, 6:14 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	46 min
Apr 2, 6:43 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	47 min

Nearby

River Flood Warnings in Illinois, 2026 Every river 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; the gauge from the NWS water service and the USGS.