NOHOMISH COUNTY, December 19, 2022—The National Weather Service has issued a Winter Storm Warning from 7 p.m. tonight until 7 p.m. on Tuesday. Heavy snow is expected – between two to eight inches. Light snow accumulation is expected to return Thursday with temperatures dipping to a low of 18^oF.

Travel will be very difficult and before heading out, it is highly recommended that commuters check their travel routes and options. For those venturing through unincorporated Snohomish County, visit the Public Works Snow and Ice webpage to view the priority routes for snowplowing, sanding and road closure information.

Winter Storm Warning in effect

• Monday Night: Snow, mainly after 11pm. Low around 28. North northwest wind around 6 mph becoming calm. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
• Tuesday (Dec 20): Snow, mainly before 1pm. Patchy fog. High near 33. Wind chill values between 22 and 27. South southwest wind 8 to 13 mph becoming north northwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
• Tuesday Night: A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 20. North wind 5 to 8 mph. New snow accumulation of less than a half inch possible.
• Wednesday (Dec 21): Mostly sunny, with a high near 26. Wind chill values between 12 and 17. North wind 6 to 8 mph.
• Wednesday Night: Partly cloudy, with a low around 12. East northeast wind around 6 mph.
• Thursday (Dec 22): A 10 percent chance of snow after 4pm. Partly sunny, with a high near 24.
• Thursday Night: A 40 percent chance of snow, mainly after 10pm. Cloudy, with a low around 18. New snow accumulation of 1 to 2 inches possible.
• Friday (Dec 23): Snow likely before 1pm, then snow likely, possibly mixed with freezing rain. Cloudy, with a high near 34.
• Friday Night: Rain likely, possibly mixed with freezing rain, becoming all rain after 7pm. Cloudy, with a low around 29.

During snow/ice weather events, it’s also important to:

• Know who to call and when:
  • Life-threatening emergencies, call 911.
  • Non-life threatening emergencies: 425-407-3999
• Give snowplows and deicers plenty of room to work. Allow for a minimum following distance of 200 feet from the plows and deicers while they are working.
• If you must pass, take extreme caution and beware of the displaced snow and ice, or sand spray.
• Vehicles parked along all major arterials and emergency routes must be moved off the street. It is recommended for them to be moved when snow is in the forecast.
• Keep drainage inlets near your home clear of leaves and debris during the winter months to help reduce the chance of flooding.
• Try to keep garbage bins and other obstacles out of the street when the roads are icy or covered with snow.
• Obey road closed signs.

Follow Snohomish County departments on social media for the most up-to-date information during an emergency event:

• Public Works on Twitter and Facebook 
• Department of Emergency Management on Twitter  
• Snohomish County on Twitter and Facebook