Brace for Impact: Record-Breaking Heavy Snow Forecast to Slam the Region and Disrupt Travel This Weekend

Meteorologists are warning that a powerful cross-country system will unleash heavy snow from the Sierra Nevada to the Great Lakes this weekend through early next week, with some mountain communities likely to be buried under several feet of accumulation. The latest heavy snow forecast centers on the high terrain of California, Nevada and Utah, where forecast models point to snow totals of 6-10 feet above 7,000 feet, renewing avalanche concerns and threatening to shut down major passes such as I-80 over Donner Summit. Winter storm warnings are already posted for parts of Montana and Wyoming, where up to 20 inches and wind gusts near 95 mph could create white-out blizzard conditions. As the system slides east, moisture pulled from the Gulf of Mexico will collide with Arctic air, spreading a stripe of moderate to heavy snow across the central Plains, Upper Midwest and Great Lakes on Monday and Tuesday. Forecasters at the National Weather Service note that travel could become “difficult to impossible” during the heaviest bands, and flight delays are expected at hubs from Denver to Chicago. Snowfall rates may exceed 1–2 inches per hour at times, rapidly reducing visibility and causing drifts along rural roadways. Farther east, colder air will be slow to arrive, sparing most of the Northeast from blockbuster snow totals. Even so, a frontal wave passing off the Mid-Atlantic coast could drop a light but slick coating of 1–3 inches from Washington, D.C., to Boston late Tuesday night, enough to snarl the Wednesday morning commute. Key timing • West Coast: Heaviest snow Saturday night through Monday morning. • Rockies & Plains: Sunday night through Monday evening. • Great Lakes: Monday afternoon through early Tuesday. • Northeast: Late Tuesday into early Wednesday. What travelers need to know • Airlines have begun issuing change-fee waivers; check with carriers before heading to the airport. • Interstate closures are possible on I-5, I-80, I-90 and I-94—carry chains, blankets and a full tank of gas. • Expect chain controls and limited visibility on mountain roads; postpone non-essential travel when warnings are in effect. Safety tips for residents 1. Stock a three-day supply of food, water and medications. 2. Clear gutters and snow from roofs between waves to reduce ice-dam damage. 3. Keep phones and power banks fully charged; widespread outages are likely where ice mixes in. 4. Ventilate and never use outdoor heaters or barbecues indoors to avoid carbon-monoxide poisoning. With February traditionally ranking among the snowiest months of the year, this heavy snow forecast underscores the importance of staying informed. Monitor updated advisories from the National Weather Service, prepare early, and adjust travel plans as conditions deteriorate.