Spokane, WA – Drivers across eastern Washington and the Inland Northwest should prepare for significant winter travel impacts this week, as colder air moves into the region and confidence increases for heavy mountain snowfall, particularly from Tuesday through Thursday.
According to the National Weather Service in Spokane, the primary focus for snow will be in the Cascade and Idaho Panhandle mountain passes, where accumulations are expected to be measured in feet rather than inches. Forecast models show a 30% chance of more than 24 inches of snow in some pass locations during the Tuesday–Thursday window.
Lighter snowfall is also possible in lower-elevation communities, though amounts there are expected to be more limited. Forecasters say the arrival of colder air will allow snow levels to drop, increasing the potential for accumulation outside the highest elevations.
NWS probability graphics indicate multiple passes could receive 8 to 16 inches of snow in a 24-hour period, with the highest totals likely between Tuesday and Wednesday. Snow chances diminish later in the week as the system moves east.
Travelers heading over mountain routes are urged to plan ahead. Officials recommend checking pass conditions before departure, allowing extra travel time, and carrying winter survival supplies. Road closures or traction requirements may be implemented if conditions deteriorate.
This developing weather pattern could impact commuters, commercial drivers, and anyone with travel plans through the Cascades or northern Rockies. Residents should also prepare for changing conditions, especially during overnight and early morning hours.
Additional updates are expected as the system approaches and confidence in snowfall totals continues to increase.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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