Sunday, May 17, 2026

Heavy Late-Season Snowstorm Triggers Winter Advisories in Oregon, Washington and Montana


Unseasonably chilly climate is sweeping throughout elements of the western United States this weekend, with the Nationwide Climate Service issuing a number of Winter Climate Advisories for mountainous areas in Montana, Oregon, and Washington.

Forecasters warn that snow accumulations, sturdy winds, and quickly altering mountain circumstances may create hazardous journey and recreation circumstances even because the nation strikes deeper into spring.

Counties beneath Winter Advisory (Supply: climate.gov)

The advisories have an effect on elevations usually above 4,000 to five,000 toes, with some mountain peaks anticipated to obtain as much as 18 inches of snow by Sunday.

Montana Mountains Face Heavy Snow and Gusty Winds

In Montana, the Nationwide Climate Service places of work in Missoula and Nice Falls warned that a number of mountainous areas alongside the Continental Divide may see 2 to 12 inches of snowfall, relying on elevation. Areas impacted embrace Glacier Nationwide Park, MacDonald Go, Homestake Go, and the Little Belt Mountains.

Forecasters stated circumstances might develop into particularly harmful for hikers and campers venturing into the backcountry.

Chilly, moist and breezy circumstances might create hypothermia threat for these recreating within the backcountry,” the Nationwide Climate Service warned in its advisory.

Wind gusts of as much as 40 mph are additionally anticipated in a number of areas, doubtlessly decreasing visibility and making journey on high-elevation roads tougher. Officers suggested drivers to decelerate and put together for slushy or slick circumstances on mountain passes.

The storm system arrives after a number of days of unstable spring climate throughout the Northern Rockies, the place fluctuating temperatures have created circumstances favorable for late-season snowfall. Meteorologists notice that whereas Might snowstorms should not uncommon at excessive elevations, the mixture of sturdy winds and heavy accumulations may nonetheless catch vacationers off guard.

Cascades in Oregon and Washington Below Advisory

Additional west, mountain areas in Oregon and Washington are additionally bracing for substantial snowfall. Advisories stay in impact throughout the Cascades, together with Stevens Go, Snoqualmie Go, Mount Rainier, and Authorities Camp.

The Nationwide Climate Service in Portland forecast 4 to eight inches of snow above 4,000 toes, with remoted areas above 5,500 toes doubtlessly receiving between 12 and 18 inches.

In Washington state, forecasters warned that heavy snow showers may arrive alongside thunderstorms and small hail.

Late season snow showers within the mountains might impression these having fun with out of doors recreation within the mountains above 4000 toes via tonight,” the Nationwide Climate Service in Seattle said.

Officers additionally cautioned that hotter pavement temperatures might initially restrict snow accumulation on roads, however transient durations of heavy snowfall may nonetheless create harmful driving circumstances, particularly on bridges and overpasses.

Out of doors Recreation and Journey Dangers Enhance

The advisories come throughout a busy spring recreation interval when many vacationers head into mountain areas for climbing, tenting, and sightseeing. Parks and recreation businesses throughout the Pacific Northwest and Northern Rockies are urging guests to hold winter gear regardless of the calendar displaying late spring.

Emergency businesses advocate vacationers pack chains, blankets, flashlights, meals, and further clothes earlier than heading into increased elevations. In Oregon and Washington, transportation officers are additionally monitoring circumstances carefully at main mountain passes that join western and japanese parts of the states.

The bizarre climate sample is being pushed by a colder-than-normal upper-level trough transferring throughout the western U.S., pulling moisture and colder air into mountain areas. Forecasters say circumstances ought to progressively enhance early subsequent week, although temperatures are anticipated to stay beneath seasonal averages in lots of increased elevation areas.

Related Articles

LEAVE A REPLY

Please enter your comment!
Please enter your name here

Latest Articles