The amount of rain received last night varies by location. For example, in parts of Iowa, McGregor reported 0.23 inches of rain by early morning on May 16, 2025, and in Minnesota's Dodge County, Pine Island recorded 0.09 inches of rain around 7:00 AM on May 16, 2025

. Other nearby locations had smaller amounts or just trace amounts of rain. This indicates that rainfall last night was generally light to moderate depending on the specific area.