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New forecast services for Mainstream Deep Tunnel at McCook Reservoir, IL

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Four Day Forecast

Pattern Change on the Way

A warming trend will commence today, though onshore winds will keep conditions cooler near Lake Michigan today. Chances of showers and storms increase this weekend, but there will be a lot of dry time.

A warmer, more humid, and stormier pattern is expected late Friday through early next week. Some storms may be severe in the region at times.