Case File Status: Explainable, See Below
On January 22, 2020, the Washington State Department of Transportation tweeted out photos, which they believed, may have been Sasquatch. Here is the original tweet:
Going to the “WayBack Machine” and seeing previous archived live-camera still frames captured, the silhouette is there, even months ago. On June 13, 2019, the WayBack Machine took a snapshot of the WSDOT website that streams this webcam. Here, you can see the same area that is not covered in snow, and the figure is still there.