Heavy snow fell across our western mountains and along the Interstate 80 Corridor from Cheyenne to Arlington on 14-15 January.
Every event with a place to put it; 9 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 CYS wrote it up.
Heavy snow fell across our western mountains and along the Interstate 80 Corridor from Cheyenne to Arlington on 14-15 January.
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 Cheyenne, WY wrote its last area forecast discussion before the first event at Jan 13, 4:59 PM MST, 41 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.
7 heavy snow, 1 winter weather, 1 winter storm. Local standard time, as filed.
Report from Facebook northeast of Laramie reported 7-8 inches of snow. Most other reports ranged from 3 to 5 inches in Laramie.
CoCoRaHS report from 2.2 miles north northeast of Cheyenne reported 6.1 inches. Public report from Facebook reported 6-7 inches of new snowfall roughly 2 miles northeast of Cheyenne on Del Range.
Whiskey Park SNOTEL in the Sierra Madre Range (41.01N/-106.92) estimated a maximum snow depth of 38 inches for this event. Numerous SNOTELs estimated 2 to 3 feet of snowfall.
Medicine Bow SNOTEL (41.38N/-106.35) in the Snowy Range estimated a total snowfall of 32 inches during this event. Numerous SNOTELs in the area estimated 2 to 3 feet of snowfall.
Interstate 80 closed due to winter weather between Laramie and Rawlins for an extended period of time from 8PM on the 14th through 9AM on the 15th. CoCoRaHS observer near Elk Mountain reported a 48 hour snowfall report of 11 to 13 inches.
Report received 11.1 miles northwest of Cheyenne in the South Laramie Range Foothills of 6.5 inches. Public called to report 8 inches south of Cheyenne near Terry Bison Ranch Road and US 85.
CoCoRaHS observer near Horse Creek reported 8 inches of snow. Interstate 80 closed between Cheyenne and Laramie due to winter weather for an extended period of time.
Numerous CoCoRaHS reports around Goshen County of 2 to 5 inches of snowfall.
CoCoRaHS observer located 20 miles southwest of Wheatland reported a 2 day storm total snowfall of 8.5 inches.
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, January 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 2026-10-01. Each event’s entry at NCEI: 1149333, 1149337, 1149331, 1149332, 1149330, 1149335, 1149334, 1154353, 1154354.