Showers and thunderstorms highlight the forecast for the start of the work week across the Heartland. Despite the storm chances, high temperatures on Monday will be near average for early June. The latest runs of StormCast show chances for showers and storms throughout the day on Monday. An isolated severe storm or two cannot be ruled out throughout the day on Monday. A Marginal Risk (Level 1 out of 5) of severe weather is in place. Wind gusts u…