Alert archive / Indiana / River Flood Warnings in 2026

River Flood Warning 45, NWS Indianapolis, IN

April 18, 2026Parke County, Vermillion County, Vigo County, Indiana

NWS Indianapolis, IN issued this river flood warning at Apr 18, 2026, 12:20 PM EDT for Parke County, Vermillion County, Vigo County, Indiana. It took effect at Apr 19, 2026, 6:09 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Apr 18, 2026, 12:20 PM EDT (16:20 UTC)
In effect from: Apr 19, 2026, 6:09 AM EDT
Expired: Apr 19, 2026, 12:17 PM EDT
In force: 6 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: Minor

Counties Parke County, IN, Vermillion County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 92 km from the middle of the area, began a volume at 16:23 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 Wabash River at Montezuma (MTZI3). The gauge peaked at 12.51 ft at Apr 20, 2026, 12:00 PM EDT.

Action stage: 10 ft
Minor stage: 14 ft
Moderate stage: 24 ft
Major stage: 31 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03340500, 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 Indianapolis, IN wrote its last area forecast discussion before this river flood warning went out at Apr 18, 10:53 AM EDT, 1 hour 27 minutes earlier.

Area forecast discussion, Apr 18, 10:53 AM EDT, 1 hour 27 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>

Hazardous weather outlook, Apr 18, 11:24 AM EDT, 56 minutes before

Hazardous Weather Outlook
National Weather Service Indianapolis IN
1124 AM EDT Sat Apr 18 2026

INZ021-028>031-035>049-051>057-060>065-067>072-191530-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
1124 AM EDT Sat Apr 18 2026

This hazardous weather outlook is for central Indiana.

.DAY ONE...Through Tonight.

Isolated thunderstorms are possible today. Severe storms are not
expected. Lightning and brief heavy rain are threats from any
thunderstorm.

Patchy frost may form late tonight, mainly along and north of
Interstate 70.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Frost and near freezing temperatures will likely be across portions
of the area early Monday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 18, 12:23 AM EDT	Special Weather Statement	IND	Carroll, Tippecanoe	37 min
Apr 18, 12:50 AM EDT	Special Weather Statement	IND	Clinton	40 min
Apr 18, 2:32 PM EDT	Frost Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	18 hr
Apr 18, 2:32 PM EDT	Freeze Watch	IND	Boone, Carroll, Clinton, Delaware, Fountain, Hamilton and 18 more	12 hr

Nearby

River Flood Warnings in Indiana, 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.