Information from the City of Seattle
The National Weather Service has issued a Winter Storm Warning in effect from 4:00 PM Thursday through 7:00 PM Friday.
- Snow will fall overnight, with expected accumulations in Seattle of 1-2 inches.
- Freezing rain will begin to impact the Seattle area in the early morning hours, with the highest impacts expected during the morning commute. Rain that falls will freeze on surfaces, including roadways, sidewalks, and vehicles. Roadways and walkways will be slippery.
- Extremely cold temperatures will continue overnight Thursday.
- Temperatures will warm Friday into Saturday. An extended period of rain will continue through next week, which could cause localized flooding.
Weather Impacts
- Driving conditions will be extremely hazardous.
- Avoid travel Friday morning unless it is absolutely necessary.
- If you must travel, keep winter safety supplies in your car, leave with a full tank of gas, and keep your cell phone charged. Plan ahead, go slow, treat signals without power as stop signs, and look out for plows or road closure signs.
- If you are taking transit, check for service impacts before leaving. King County Metro will run on the Emergency Snow Network beginning at 4:00 AM Friday. Sound Transit service changes will be listed on their website.
- Freezing rain can break tree limbs and power lines, causing power outages. Seattle City Light’s website has power outage safety tips to help you prepare for a loss of power.
Conditions overnight Thursday will include low temperatures well below freezing, potential wind chills in the single digits, snow, and freezing rain. These conditions are dangerous. Emergency warming spaces are available for people without shelter and their pets. All residents should keep pets indoors during extreme cold.