"Mount Rainier is NOT erupting. We have looked at the cloud that has caused concern from multiple webcams and have determined that it is a lenticular cloud," Rainier National Park said on Twitter.

Lenticular clouds are a rightfully famous accessory to the beautiful view that is Mount Rainier. While a pilot might be inclined to avoid them, cloud enthusiasts and many Washington residents ...

A video of Mount Rainier shows a lenticular cloud hovering over it on Sept. 7, 2022. People on social media initially thought it was a sign of volcanic activity. Screengrab from Kristin Clark’s ...

Mount Rainier is NOT erupting. We have looked at the cloud that has caused concern from multiple webcams and have determined that it is a lenticular cloud. In addition, the USGS reports no ...

The National Park Service confirmed it was a lenticular cloud that from certain angles was mistaken for venting. The last reported seismic activity at Mount Rainier was on Saturday, according to ...