A slow moving area of low pressure brought heavy snow to the some of the mountain ranges of central Wyoming, mainly the Bighorns and Casper Mountain. The heaviest snow fell at Casper Mountain, where up eastern Bighorns up 20 inches of new snow fell.
Every event with a place to put it; 6 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 RIW wrote it up.
A slow moving area of low pressure brought heavy snow to the some of the mountain ranges of central Wyoming, mainly the Bighorns and Casper Mountain. The heaviest snow fell at Casper Mountain, where up eastern Bighorns up 20 inches of new snow fell. Over a foot of new snow also fell along the west slopes of the Bighorns as well Casper Mountain. High wind also occurred in portions of Fremont, Natrona and Johnson Counties, with the highest wind gust oof 72 mph reported near Hiland in western Natrona County near US Highway 20 26.
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 Riverton, WY wrote its last area forecast discussion before the first event at Apr 5, 3:53 PM MST, 16 hours 7 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>The national radar mosaic for the moment the first event began.
3 winter storm, 3 high wind. Local standard time, as filed.
Heavy snow fell in western Bighorn Range, with amounts of 12 to 20 inches commonplace.
Multiple SNOTEL stations reported over a foot of snow.
SNOTEL stations on Casper Mountain reported anywhere from 12 to 18 inches of new snow.
A maximum wind gust of 62 mph occurred at the Sharpnose RAWS site. The Riverton Airport had a maximum wind gust of 60 mph.
A maximum wind gust of 63 mph occurred at the Johnson County near Buffalo.
The wind sensor near Hiland along US Highway 20 26 recorded a wind gust to 72 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2024Every state in 2024This day in weather historyWarnings in Wyoming, April 2024
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 2026-09-30. Each event’s entry at NCEI: 1170671, 1170672, 1170673, 1170675, 1170677, 1170676.