Significant Snowfall Forecast
A late-season winter storm is predicted to bring heavy snowfall to Montana and Wyoming. Forecasters expect some mountainous areas to receive more than a foot of snow by Thursday. Although snow in high elevations is usual for May, the timing and intensity highlight winter’s lingering influence.
The heavy snow might disrupt travel in mountain areas familiar to recreational users. This could affect early-season outdoor activities and local economies. Moreover, accumulating snow and temperature changes may destabilize higher terrains, increasing risks of avalanches and delayed runoff impacts.
National Weather Service Alerts
The National Weather Service (NWS) in Billings has issued a winter storm warning for southern Montana, with a winter weather advisory covering areas stretching into Wyoming.
Montana Winter Storm Warning
A winter storm warning is active from 6 p.m. Wednesday to 6 p.m. MDT Thursday for the Absaroka and Beartooth Mountains, including Cooke City. Forecasters anticipate heavy snow primarily on north-facing slopes above 7,000 feet. Total accumulations may range from 8 to 13 inches, with gusts up to 30 mph.
Recreational activities in high country areas may be severely impacted. Travelers should carry emergency supplies like extra food, water, and a flashlight in case of deteriorating conditions. Animated weather footage indicates the regions likely to receive the heaviest snowfall in the coming days.
Wyoming Winter Weather Advisory
A winter weather advisory applies from 3 a.m. to 9 p.m. MDT Thursday for the Pryor/Northern Bighorn Mountains in Montana and the Northeast Bighorn Mountains in Wyoming, including areas near Burgess Junction and Story. Snow accumulations between 5 and 10 inches are possible, with gusts reaching up to 30 mph.
The advisory warns of difficult travel conditions throughout the day, especially during morning and evening hours. Roads like U.S. Route 14 may become slippery and hazardous. Drivers should slow down and exercise caution, as conditions may change rapidly. Officials advise checking road conditions before traveling and remaining updated with forecasts.
Thunderstorms, Rain Also Expected
Lower elevations may experience thunderstorms and rain as a cold front moves through. The NWS in Billings notes that showers and weak thunderstorms may occur, bringing gusty winds, small hail, and brief downpours.
Cold Weather in the Great Lakes Region
Meanwhile, the Great Lakes region faces frost advisories and freeze warnings due to sweeping cold weather. Frost advisories cover northeast Minnesota, northern Wisconsin, and much of Michigan. Freeze warnings, deemed more severe, are in effect for Michigan. Animated temperature footage demonstrates cold temperatures spreading through the area.
Steps to Take During the Snowfall Event
- Stay informed: Regularly check local NWS updates and state DOT road reports before traveling.
- Adjust driving habits: Slow down significantly as spring tires do not grip mountain slush as winter tires do.
- Pack the essentials: Ensure you carry waterproof layers, heavy thermal gear, and an emergency kit if heading near the backcountry.
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