The area of Northeast Iowa rated in moderate drought continues to expand, according to the latest U.S. Drought Monitor Map for Iowa. Based on precipitation through 7 am Tuesday, October 1st, all of Bremer County is now rated D1 for moderate drought after only the eastern half of the county was in drought the week before. Moderate drought has also expanded in Chickasaw County, going from the southeast third of the county last week to covering the southeast half this week.