West-northwest synoptic winds gusted between 45 and 55 mph across southeast South Dakota during the afternoon and early evening of April 14 within a post-frontal cold air advection regime. Scattered showers developed, helping to bring even stronger severe gusts to the surface at a few locations.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS FSD wrote it up.
West-northwest synoptic winds gusted between 45 and 55 mph across southeast South Dakota during the afternoon and early evening of April 14 within a post-frontal cold air advection regime. Scattered showers developed, helping to bring even stronger severe gusts to the surface at a few locations. Peak gusts at these locations ranged from 58 to 62 mph.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Apr 14, 1:19 PM CST, 23 minutes earlier.
<!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><!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 national radar mosaic for the moment the first event began.
4 high wind. Local standard time, as filed.
Aided by rain showers, winds briefly gusted above 58 mph, with a peak gust of 60 mph at the South Dakota Road Weather Information System site near Dixon.
Aided by rain showers, winds briefly gusted above 58 mph, with a peak gust of 62 mph at the South Dakota Road Weather Information System site at the Platte-Winner bridge.
Aided by rain showers, winds briefly gusted above 58 mph, with a peak gust of 62 mph at the South Dakota Road Weather Information System site near Freeman.
Aided by rain showers, winds briefly gusted above 58 mph, with a peak gust of 60 mph at the South Dakota Road Weather Information System site near Irene.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2025Every state in 2025This day in weather historyWarnings in South Dakota, April 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1256325, 1256323, 1256324, 1256328.