A spring storm dropped two feet of snow across Rocky Mountain National Park, between Grand Lake and Estes Park, Colorado, on Thursday, May 18. The National Weather Service forecasted Trail Ridge Road could receive 36 inches by Friday evening.

The national park shared this footage from Trail Ridge Road, which is the highest continuous paved highway in North America with an elevation above 12,000 feet at its peak.

“It is recommended to stay off all park roads, but if you must drive into the park, you will need 4X4 drive. Around two feet of snow has fallen and more is on its way,” the post said.