At least four people were killed, and 29 were injured in a multi-vehicle pileup on Interstate 25, just south of Pueblo, Colorado, on February 17, 2026. Authorities said strong winds caused brownout conditions, reducing visibility to near zero along the route.
Dense fog covering California’s Central Valley early on January 31, 2026, led to a 59-vehicle crash on Highway 99 in Tulare County, closing the main north–south route for about six hours. Emergency crews treated 10 injured drivers and passengers while removing wreckage from the fog-covered roadway.
Multiple injuries were reported after lake effect snow and whiteout conditions triggered a 100-vehicle pileup on the I-196 southeast of Grand Rapids on Monday, January 19, 2026. The crashes prompted the closure of all lanes of the highway throughout the day as crews cleared the road.
Dense fog and smoke have combined to form what is known as super fog, heavily impacting Interstate 55 in Louisiana’s St. John the Baptist Parish on Monday morning, October 23, 2023, and leading to a massive vehicle pileup in which at least 7 people lost their lives and more than 25 were taken to hospitals with injuries ranging from minor to critical.
