**NEW** Ice Measurements February 17, 2026

Next measurements are scheduled for March 3, 2026 (If needed)

**NEW** Composite 12-Year measurements from 2015-2026 

Map: Lake Pepin ice survey locations (PDF)

Lake Pepin ice thickness measurements typically start in mid-February and are conducted on a weekly basis. Measurements are reported from each mile on the Upper Mississippi River between mile 765 and 786. These measurements are taken at the points indicated on the map and the ice thickness is valid for that location only.