Northern interstate corridor
I-90 weather from the Pacific Northwest to the Northeast
I-90 links the Cascades, northern Rockies, High Plains, Great Lakes, and New England. Long sections are exposed to strong wind, snow, and rapid visibility changes.
Corridor coverage
Seattle, Snoqualmie Pass, Spokane, Missoula, Bozeman, Rapid City, Sioux Falls, Chicago, Cleveland, and Boston
Forecast timing can differ by segment. Check current weather and official road information before committing to a long-distance departure.
Representative sections
Where weather can change along this highway
Weather risks
Conditions to compare before departure
- Cascade and Rocky Mountain snow
- High Plains crosswinds
- blowing snow and low visibility
- Great Lakes snow bands
Winter weather can affect multiple mountain and Plains sections at once. Spring and summer bring thunderstorms, hail, smoke, and heavy rain across different portions of the corridor.
Official verification
Road and weather sources
Use these sources for closures, restrictions, chain requirements, incidents, and official warnings.
Current route forecasts on this corridor
DriveWindow combines researched corridor geography with time-sensitive forecasts from representative route points. Read the route weather methodology and data-source policy.