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By Todd Nelson, filling in for Douglas:

On May 31, 1889, Johnstown, Pa., sustained a catastrophic failure of the South Fork Dam after several days of heavy rain. The dam was located nearly 14 miles upstream, yet more than 2,200 people died after 3.8 billion gallons of water and debris inundated the town in the worst U.S. flood of the 19th century.

May 31 is National Dam Safety Awareness Day. A day to remember the lessons learned from past dam failures and to push for safer dams. Interestingly, this 131st anniversary comes just days after a dam failure in Midland, Mich., swamped neighboring towns under nearly 10 feet of water.

According to the Association of State Dam Safety Officials, more than $86 billion in funding is needed to rehabilitate dams across the country, some of which are considered "high hazard."

Today's mild sunshine gives way to morning thunderstorms tomorrow. Our first hot front of 2020 arrives this week with highs approaching 90 degrees on Tuesday. Strong to severe storms are possible as well.