Memorial Day is a time to honor fallen servicemembers, but it's also one of America's busiest travel weekends. Many Tennesseans will be hitting the road, heading to lakes, and firing up the grill for backyard cookouts.

We can't have a good thing for too long before Mother Nature throws a wrench in our plans. An unsettled pattern returns this weekend with severe chances Saturday and Sunday.

For life-saving weather alerts, customized messages on conditions and forecasts, and videos detailing upcoming weather events, download the WSMV 4 First Alert Weather app for iPhone or Android. Have weather pictures or videos? Share them here. Saturday morning: Mostly cloudy with a few showers and storms southwest of Nashville. Low, 55.