Less than three days after Wyoming’s late-season blizzard closed 200 miles of Interstate 80, the National Weather Service is signaling another round of mountain snow for the northern Rockies. The latest probabilistic outlook from the Weather Prediction Center shows the highest probability of heavy snow over the Absaroka Range, Beartooth Mountains, and Bighorn Mountains between Thursday evening, May 21, and Friday morning, May 22.The signal strengthens through the 36-hour window. By 6 p.m. MDT Thursday, WPC modeling shows a 50 to 60 percent probability of 4 or more inches of snow across the highest terrain of NW Wyoming and S Montana, with cells centered over the Absaroka-Beartooth Wilderness and the Bighorn crest. By 6 a.m. MDT Friday, the cells split and weaken slightly, with the Bighorn cell maintaining the higher odds.What’s Already HappeningThe atmo …
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Author: Adam Lynton
