Seattle, Washington – A colder-than-normal weather pattern is expected to take hold across Washington heading into Valentine’s Day weekend, bringing sustained below-normal temperatures and an elevated risk for icy roads and cold-related disruptions from Saturday through midweek. While precipitation amounts remain uncertain, the cold itself poses the primary concern, especially during overnight and early morning hours.
According to the National Weather Service Climate Prediction Center, Washington is favored for below-normal temperatures during the February 14–18 period. This pattern supports persistent cold air across the Pacific Northwest, increasing the likelihood that any precipitation that does develop falls as snow or freezes on contact, particularly west of the Cascades during nighttime hours.
In western Washington, including Seattle, Tacoma, Everett, and Olympia, daytime highs are expected to struggle to reach seasonal averages, while overnight lows dip cold enough for widespread frost and patchy ice. Elevated roadways, including I-5, I-405, SR-167, and major bridges, are most vulnerable to slick conditions during the morning commute.
Across central and eastern Washington, including Spokane, Yakima, Wenatchee, and the Tri-Cities, colder overnight temperatures could remain entrenched for several days. Even light precipitation could result in snow-covered or icy roads along I-90, I-82, and U.S. 395, especially during early morning and nighttime travel windows.
In the Cascades and mountain passes, sustained cold will support snow accumulation and icy surfaces, impacting travel over Snoqualmie Pass, Stevens Pass, and White Pass. WSDOT crews are expected to remain in winter operations mode as conditions persist.
Utilities statewide are monitoring the prolonged cold, which can strain heating systems and increase energy demand. Residents are encouraged to protect exposed pipes, check heating systems, and limit overnight travel when possible.
This below-normal temperature pattern is expected to persist into midweek. Additional advisories may be issued as confidence increases on precipitation timing, and residents are urged to stay alert for updates, particularly during overnight and early morning hours when cold-related hazards peak.
