Chicago is preparing for a weekend of wet weather, with the potential for thunderstorms on the horizon. According to the National Weather Service, a low-pressure system sweeping through the Midwest will bring substantial rainfall to the area. Residents should expect up to 1 inch of rain, with localized areas potentially experiencing greater amounts due to thunderstorm activity. The weather system is expected to arrive on Friday evening and last through Saturday, with the heaviest rainfall predicted overnight. In addition to rain, strong winds are anticipated, with gusts reaching up to 30 mph, particularly during storm activity.