An area of low pressure crossed Wyoming and brought heavy snow and strong wind to much of the area. The heaviest snow fell in the favored northerly upslope areas, including Casper and Lander where anywhere from 8 to 12 inches of snow was recorded.
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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.
An area of low pressure crossed Wyoming and brought heavy snow and strong wind to much of the area. The heaviest snow fell in the favored northerly upslope areas, including Casper and Lander where anywhere from 8 to 12 inches of snow was recorded. Close to a foot of snow also fell near Green River and Rock Springs. Over a foot fell in some of the adjacent mountains as well. The snow also combined with winds that gusted over 50 mph at times that lowered visibility to near zero at times. This led to the closure of many roads for several hours, including Interstates 80 and 25.
The national radar mosaic for the moment the first event began.
10 winter storm. Local standard time, as filed.
Around Rock Springs and Green River, snowfall amounts ranged from 5 to 11 inches. The snow combined with strong winds to close Interstate 80 for several hours.
A trained spotter measured 13 inches of snow in the foothills of the Wind River Mountains near Lander. In addition, a combination of snow and strong winds closed South Pass for several hours during the height of the storm.
A combination of snow and strong winds brought near zero visibility at times to Eastern Sweetwater County. Interstate 80 was closed for several hours as a result.
A trained spotter measured 11 inches of snow at the Buckboard Marina.
Spotters measured anywhere from 4 to 8 inches around the Lander Foothills, with the highest amounts closer to Sinks Canyon State Park. At the Lander airport 4.2 inches of new snow was measured.
A combination of snow and wind brought sharply reduced visibility that led to the closure of US Highway 287 for several hours.
A combination of snow and high wind brought sharply reduced visibility that closed Interstate 25 for several hours.
A combination of snow and high wind brought sharply reduced visibility that closed Interstate 25 for several hours.
Heavy snow fell on Casper Mountain. Some amounts included 17 and 14 inches at the Reno Hill and Casper Mountains SNOTEL sites, respectively.
Snowfall amounts around Casper ranged anywhere from 2 to 8 inches, with the highest amounts closer to Casper Mountain. The snow combined with winds that gusted over 50 mph at times that sharply reduced visibility. The result was the closure of Interstate 25 for several hours on the night of January 21 to 22.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2019Every state in 2019This day in weather historyWarnings in Wyoming, January 2019
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: 803509, 803502, 803510, 803511, 803503, 803504, 803507, 803508, 803506, 803505.