Full Breakdown
Winter Weather Causes I-90 Closures at Snoqualmie Pass
10/27/2025, 9:06:51 PM
Adverse Conditions Lead to Road Closures
On Sunday evening, October 29, 2023, a section of Interstate 90 (I-90) eastbound near Snoqualmie Pass was closed due to multiple vehicle spinouts caused by adverse weather conditions. The Washington Department of Transportation (WSDOT) reported that the closure occurred shortly after 10 p.m. and affected traffic from milepost 47 at Denny Creek to milepost 56, just east of the Summit at Snoqualmie. The road was reopened around 12:15 a.m. on Monday, October 30, 2023.
Weather Impact and Driving Conditions
The closure followed a significant snowfall that began earlier that day, marking the first substantial snowfall of the season in the Cascades. Snowfall transitioned from rain to heavy, slushy flakes throughout the afternoon and evening, leading to hazardous driving conditions on I-90. WSDOT advised that chains were required for all vehicles except those equipped with all-wheel drive, while oversize vehicles were prohibited from traveling on the pass.
According to the National Weather Service (NWS), a winter weather advisory was issued for the Eastern Cascades, predicting additional snow accumulations of up to three inches overnight. The NWS warned of low visibility and difficult driving conditions, urging travelers to exercise caution.
Local Reactions and Business Impact
Local businesses near Snoqualmie Pass welcomed the early snowfall, which is expected to boost winter tourism. Spencer Meckley, a bartender at The Commonwealth, noted that the snowfall brings in regular truckers and families traveling for events, contributing positively to local commerce. Residents from the Seattle area also visited the pass to enjoy the snow, with some reporting manageable road conditions despite the slush.
Official Statements & Responses
WSDOT and the NWS have emphasized the importance of safety during winter travel. WSDOT reiterated that drivers must carry chains in their vehicles when traveling through Washington's mountain passes, as mandated by law starting November 1. Violations can result in fines of up to $500.
Criticism & Opposition
While the snowfall has been welcomed by local businesses, some travelers expressed frustration over the sudden weather changes that led to road closures. Concerns were raised about the preparedness of drivers and the adequacy of warnings regarding the rapidly changing conditions.
Conflicting Reports & Gaps
While WSDOT reported the reopening of I-90 by early Monday morning, some travelers noted ongoing issues with road conditions and visibility. The NWS's winter weather advisory remains in effect until Monday morning, indicating that conditions could still pose challenges for drivers.
Verbatim Quotes
“Chains required on all vehicles except all wheel drive, Oversize Vehicles Prohibited.” — Washington Department of Transportation
“ "Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.” — National Weather Service
“It’s really nice to see this come this time of year, earlier than other years.” — Jason Pentzold, Local Resident
As winter weather continues to impact travel in the region, authorities urge drivers to stay informed and prepared for changing conditions.
