Alert archive / Indiana / River Flood Warnings in 2026

River Flood Warning 83, NWS Indianapolis, IN

May 18, 2026Putnam County, Indiana

NWS Indianapolis, IN issued this river flood warning at May 18, 2026, 11:05 PM EDT for Putnam County, Indiana. It took effect at May 19, 2026, 1:11 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 18, 2026, 11:05 PM EDT (03:05 UTC)
In effect from
May 19, 2026, 1:11 AM EDT
Expired
May 19, 2026, 10:14 AM EDT
In force
9 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
Minor

County Putnam County, IN

The radar

The Indianapolis radar (KIND), 49 km from the middle of the area, began a volume at 03:08 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 Big Walnut Creek (IN) near Reelsville (RLVI3). The gauge peaked at 11.92 ft at May 19, 2026, 3:00 AM EDT.

actionminormoderate5101505/1905/20
Action stage
10 ft
Minor stage
12 ft
Moderate stage
15 ft
Major stage
18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03357500, 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 May 18, 10:07 PM EDT, 58 minutes earlier.

Area forecast discussion, May 18, 10:07 PM EDT, 58 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, May 18, 4:19 PM EDT, 6 hours 46 minutes before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
419 PM EDT Mon May 18 2026

INZ021-028>031-035>049-051>057-060>065-067>072-192030-
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-
419 PM EDT Mon May 18 2026

This hazardous weather outlook is for central Indiana.

.DAY ONE...Through Tonight.

Thunderstorms continue across much of the area into the evening.
Isolated severe storms are possible mainly south and east of
Indianapolis, with damaging winds as the primary threat.

Torrential rainfall producing localized flooding is also possible,
focused especially across the southwest half of central Indiana.

The severe threat should end by 700 PM with flooding remaining
possible this evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered severe storms are possible again Tuesday afternoon and
evening. Damaging winds and large hail will be the primary threats
with localized flooding possible.

Additional chances for thunderstorms return Friday into the holiday
weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any heavy rain, flooding, or strong
winds into this evening. Spotters may be activated again on Tuesday.

&&

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

In the hours before

Local storm report, May 18, 10:40 PM EDT, 25 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>
Local storm report, May 18, 10:42 PM EDT, 23 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>
Local storm report, May 18, 10:43 PM EDT, 22 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>
Local storm report, May 18, 10:49 PM EDT, 16 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>
Local storm report, May 18, 10:51 PM EDT, 14 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>
Local storm report, May 18, 10:54 PM EDT, 11 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 Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 8:57 PM EDTRiver Flood WarningINDClay, Greene35 hr
May 18, 8:57 PM EDTRiver Flood WarningINDDaviess, Greene, Knox6 days
May 18, 8:57 PM EDTRiver Flood WarningINDDaviess, Greene, Knox6 days
May 18, 8:57 PM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike7 days
May 18, 8:57 PM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike15 days
May 18, 10:02 PM EDTRiver Flood WarningINDJohnson24 hr
May 19, 5:09 AM EDTAreal Flood AdvisoryINDRush3 hr
May 19, 8:25 AM EDTAreal Flood AdvisoryINDRush6 hr
May 19, 12:48 PM EDTRiver Flood WarningINDJackson, Lawrence, Washington6 days
May 19, 12:48 PM EDTRiver Flood WarningINDBartholomew, Johnson, Shelby71 hr
May 19, 12:48 PM EDTRiver Flood WarningINDGreene, Monroe, Owen10 hr
May 19, 12:48 PM EDTRiver Flood WarningINDGibson, Knox15 days
May 19, 1:02 PM EDTFlood WatchINDBartholomew, Brown, Clay, Daviess, Greene, Jackson and 9 more25 hr
May 19, 3:32 PM EDTSpecial Weather StatementINDPutnam28 min
May 19, 4:20 PM EDTSevere Thunderstorm WarningINDHendricks, Putnam25 min
May 19, 4:37 PM EDTSevere Thunderstorm WarningINDHendricks, Marion23 min
May 19, 4:52 PM EDTSevere Thunderstorm WarningINDHamilton, Marion23 min
May 19, 5:20 PM EDTSpecial Weather StatementINDHancock25 min
May 19, 5:25 PM EDTSevere Thunderstorm WarningINDDelaware, Hamilton, Hancock, Henry, Madison, Marion35 min
May 19, 5:50 PM EDTSevere Thunderstorm WarningINDBartholomew25 min
May 19, 5:55 PM EDTSevere Thunderstorm WarningINDJackson35 min
May 19, 6:06 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Shelby24 min
May 19, 6:22 PM EDTSevere Thunderstorm WarningINDDecatur, Rush23 min
May 19, 6:30 PM EDTSpecial Weather StatementINDKnox30 min
May 19, 6:35 PM EDTSpecial Weather StatementINDMarion25 min
May 19, 6:58 PM EDTAreal Flood AdvisoryINDDaviess, Greene, Knox3 hr
May 19, 7:04 PM EDTSpecial Weather StatementINDMonroe26 min
May 19, 7:29 PM EDTSpecial Weather StatementINDDaviess31 min
May 19, 7:35 PM EDTAreal Flood WarningINDBrown, Greene, Lawrence, Monroe3 hr

Nearby

River Flood Warnings in Indiana, 2026Every 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.