2014 In Review // Local: News, Sports Nat'l: News, Sports, Entertainment, Talkers | Top 20 Most Read Stories 

Despite Intimidating Swarms, Mayflies Are Good Sign

A swarm of mayflies caused a stir in La Crosse, Minn. but experts say it’s a good sign for our environment, Matt Brickman reports. (1:59)

WCCO 4 News At 5 – July 21, 2014