Weather
Oregon Winter Weather Awareness Through Oct 31: Snow Squalls Strike Fast
Salem, OR – Oregon drivers can face dangerous highway conditions when sudden snowfall and strong winds reduce visibility across mountain passes and exposed roads. As winter weather preparedness messag
By Wesley Grant · 2026-10-28T10:57:05.640Z
Salem, OR – Oregon drivers can face dangerous highway conditions when sudden snowfall and strong winds reduce visibility across mountain passes and exposed roads. As winter weather preparedness messaging continues Wednesday, Oct. 28, motorists are being reminded that brief bursts of heavy snow can create serious travel hazards even when nearby communities experience milder weather.
According to the National Weather Service NWS , snow squalls are short lived bursts of intense snowfall, often accompanied by gusty winds and rapidly deteriorating visibility. These conditions can develop within minutes, leaving drivers little time to react.
How Snow Squalls Threaten Oregon Highways Interstate 84, Interstate 5, U.S. Highway 97 and U.S. Highway 26 are among Oregon's major travel corridors where sudden snowfall and blowing snow can create hazardous conditions.
Drivers traveling through Multnomah, Hood River, Wasco, Deschutes, Umatilla and Union counties may encounter rapidly changing weather, particularly at higher elevations.
Interstate 84 through the Blue Mountains near Meacham and Cabbage Hill can experience heavy snowfall, icy pavement and reduced visibility.
Cascade routes, including Santiam Pass on U.S. Highway 20 and Government Camp on U.S. Highway 26, also face significant winter driving hazards.
Eastern Oregon's open terrain adds the risk of blowing and drifting snow after snowfall ends.
What Is a Snow Squall Warning? The NWS issues Snow Squall Warnings when dangerous snow squalls are occurring or imminent.
These warnings typically last 30 to 60 minutes and may activate Wireless Emergency Alerts on compatible mobile phones.
A warning indicates an immediate threat to motorists, particularly at highway speeds, where sudden whiteouts can contribute to multivehicle crashes.
Longer lasting mountain snowfall may instead prompt Winter Storm Warnings or other winter weather alerts.
What Oregon Drivers Should Do When a Snow Squall Warning is issued, the safest option is to delay travel until conditions improve .
Drivers already traveling should reduce speed gradually, increase following distance and turn on headlights.
Avoid sudden braking, abrupt lane changes and stopping in active travel lanes. If visibility deteriorates, exit the highway safely when possible.
Motorists should check chain requirements, mountain pass conditions and road closures before departing.
Current highway conditions are available through TripCheck , operated by the Oregon Department of Transportation.
Official forecasts and warnings are available from the NWS Portland office , NWS Pendleton office , NWS Medford office and NWS Boise office , which serve different portions of Oregon.
Winter weather preparedness messaging continues through Saturday, Oct. 31, as part of this editorial series , emphasizing how quickly snow squalls and blowing snow can transform Oregon highways into dangerous whiteout conditions.