Alert archive / Indiana / Flash Flood Warnings in 2026

Flash Flood Warning 6, NWS Louisville, KY

May 18, 2026Clark County, Washington County, Indiana

NWS Louisville, KY issued this flash flood warning at May 18, 2026, 11:13 PM EDT for Clark County, Washington County, Indiana. It was in force for 3 hr. 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, 11:13 PM EDT (03:13 UTC)
Expired: May 19, 2026, 2:00 AM EDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Clark County, IN, Washington County, IN

The radar

The Louisville radar (KLVX), 63 km from the middle of the area, began a volume at 03:16 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this flash flood warning went out at May 18, 10:11 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, May 18, 10:11 PM EDT, 1 hour 2 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>

In the hours before

Local storm report, May 18, 7:58 PM EDT, 3 hours 15 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, 8:00 PM EDT, 3 hours 13 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, 8:03 PM EDT, 3 hours 10 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, 8:06 PM EDT, 3 hours 7 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, 8:08 PM EDT, 3 hours 5 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, 9:14 PM EDT, 1 hour 59 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 Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 9:58 PM EDT	Areal Flood Advisory	LMK	Meade	3 hr
May 18, 10:10 PM EDT	Areal Flood Advisory	LMK	Breckinridge, Meade	3 hr
May 19, 11:05 AM EDT	Flood Watch	LMK	Trimble	27 hr
May 19, 3:40 PM EDT	Special Weather Statement	LMK	Breckinridge	20 min
May 19, 4:04 PM EDT	Special Weather Statement	LMK	Hancock	26 min
May 19, 4:47 PM EDT	Special Weather Statement	LMK	Jefferson	28 min
May 19, 4:49 PM EDT	Special Weather Statement	LMK	Hancock	26 min
May 19, 4:54 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	21 min
May 19, 5:11 PM EDT	Special Weather Statement	LMK	Ohio	34 min
May 19, 5:28 PM EDT	Special Weather Statement	LMK	Henry	32 min
May 19, 5:42 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Oldham, Shelby	33 min
May 19, 6:16 PM EDT	Special Weather Statement	LMK	Henry	29 min
May 19, 6:53 PM EDT	Special Weather Statement	LMK	Nelson	22 min
May 19, 7:00 PM EDT	Special Weather Statement	LMK	Jefferson	15 min
May 19, 7:07 PM EDT	Special Weather Statement	LMK	Shelby	23 min
May 19, 7:19 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Oldham, Shelby	26 min
May 19, 7:26 PM EDT	Special Weather Statement	LMK	Nelson	34 min
May 19, 7:29 PM EDT	Special Weather Statement	LMK	Henry	31 min
May 19, 7:36 PM EDT	Special Weather Statement	LMK	Henry	24 min
May 19, 7:45 PM EDT	Special Weather Statement	LMK	Spencer	30 min
May 18, 8:00 PM EDT	Areal Flood Advisory	LMK	Crawford, Dubois, Harrison, Orange, Perry, Washington	2 hr
May 18, 9:47 PM EDT	Areal Flood Warning	LMK	Clark, Crawford, Harrison, Orange, Perry, Washington	4 hr
May 19, 1:59 AM EDT	Areal Flood Warning	LMK	Clark, Washington	2 hr
May 19, 3:31 AM EDT	River Flood Advisory	LMK	Harrison, Washington	44 min
May 19, 6:29 AM EDT	River Flood Warning	LMK	Harrison, Washington	19 hr
May 19, 4:29 PM EDT	Special Weather Statement	LMK	Clark	31 min
May 19, 4:51 PM EDT	Special Weather Statement	LMK	Perry	24 min
May 19, 4:59 PM EDT	Severe Thunderstorm Warning	LMK	Perry	19 min
May 19, 5:14 PM EDT	Special Weather Statement	LMK	Crawford	31 min
May 19, 6:12 PM EDT	Special Weather Statement	LMK	Floyd, Harrison	33 min

Nearby

Flash Flood Warnings in Indiana, 2026 Every flash 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.