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NWS Warns of Up to 20 Inches of Snow and 60 mph Winds as Winter Alerts Expand Across States

Alerts span the West, Rockies, Northeast through midweek.

A snowman in a residential neighborhood of Anchorage, Alaska, on March 15, 2026.
Yosemite National Park, USA - January 1, 2022. A prohotgraper walk through the snow to capture new years impression in Yosemite national park, California
Snow cowered cars on the winter road. Snowfall. Traffic on a city street in winter.
Snow blowing across US-2 east of Brockton, Montana, on March 6, 2026.

Overview

  • The National Weather Service, which updated guidance Tuesday, now forecasts localized totals near 20 inches with gusts up to 60 mph and urges drivers to avoid travel where possible.
  • New advisories and watches cover California, Colorado, Alaska, Maine, Montana, Wyoming and Oregon, with some in effect into Thursday or Friday as local offices signal possible upgrades to warnings.
  • In Oregon, the Cascades could see 10 to 20 inches with 40 mph gusts, while parts of California’s Yosemite area and Mono County face whiteouts and up to 14 inches at higher elevations.
  • Colorado and Wyoming mountain corridors expect 3 to 12 inches over major passes with 40 to 50 mph winds, which could disrupt Tuesday night and Wednesday morning travel.
  • Farther east, advisories in Minnesota, Wisconsin, New York, Vermont and Maine call for light snow and glaze ice up to a quarter inch, raising crash and power outage risks during Wednesday commutes.