The Whatcom County Sheriff's Office Division of Emergency Management issued its Friday briefing May 15 with no Emergency Operations Center activation, but two active advisories remain in effect that residents should be aware of heading into the weekend.
A winter weather advisory is active for the Cascade mountain areas of Whatcom County from 11 a.m. Thursday through 8 a.m. Sunday, May 17. The advisory covers mountain pass elevations and backcountry areas where snow, reduced visibility, and icy conditions are possible even in mid-May. Residents planning weekend trips to Mount Baker, the North Cascades corridor, or higher-elevation areas should check current conditions before heading out.
Separately, the Washington Department of Ecology's drought declaration, issued April 8, 2026, remains active and includes Whatcom County. The drought declaration reflects below-normal snowpack in the mountains and reduced water supply for the season ahead. Washington State Ecology's drought response page has guidance on what the declaration means and steps residents and water users can take in response.
The combination of late-season mountain snow and a spring drought declaration reflects a complex hydrological picture for the region. Low snowpack reduces long-term water storage even as late snowfall events create short-term hazard conditions. For communities that depend on snowmelt-fed rivers and reservoirs, this can mean tighter water supplies later in summer months.
For residents heading to Mount Baker or other Cascade destinations this weekend, WSDOT's mountain pass reports are the most reliable source for current road and weather conditions. Carry chains or traction tires and check conditions before departure.
Whatcom County residents can sign up for emergency alerts through WhatcomReady.org, the county's emergency notification system. Daily briefings are posted on the Whatcom County website and provide a regular status snapshot of active incidents, fire risk, and regional emergency declarations.
No immediate action is required from most residents, but those with agricultural water rights, recreational plans in the Cascades, or property at higher elevations should monitor both the drought status and mountain weather alerts as the season progresses.
