The National Weather Service released data showing that more than six inches of rain fell in portions of the Chicago metropolitan region during the week of August 9 through August 16, 2026. The cumulative totals reflect a persistent pattern of rainfall that affected locations south of Chicago as well as areas in northwest Indiana.
Weekly precipitation figures compiled by the agency indicate that the rain was not isolated to a single storm but continued throughout the seven‑day period. The consistent moisture contributed to the high totals recorded in the southern suburbs and across the state line in Indiana, where several monitoring sites registered amounts exceeding the six‑inch mark.
The weather service’s report provides a snapshot of the week’s hydrological activity, offering a baseline for local officials and residents to assess the impact of the sustained precipitation. While the figures highlight the volume of rain, they also underscore the duration of the wet conditions that characterized the region.
Officials from the National Weather Service noted that the data collection spanned the entire Chicago area, encompassing both urban and outlying zones. The release of the weekly totals follows standard procedures for summarizing rainfall events and aids in evaluating flood risk, soil saturation, and water resource management for the affected communities.
Residents in the south side of Chicago and in the neighboring Indiana counties have experienced ongoing wet streets, lingering puddles, and the typical inconveniences associated with continuous rain. The reported totals serve as a reference point for future weather assessments and may inform planning for infrastructure and emergency services.
The week’s rainfall totals stand as a reminder of the region’s capacity for prolonged precipitation events, with the National Weather Service continuing to monitor conditions as the season progresses.