Blizzard Warning For Spokane, Snow Across Washington State.The National Weather Service is warning of a blizzard Monday night east of the Columbia River in Washington, including Spokane. Heavy snow up to 6 inches in Spokane is expected until Tuesday morning, along with north winds of 20 to 25 mph and stronger gusts. Subzero temperatures are forecast and a wind chill in the minus 20s. The service says travel will be extremely dangerous.