The first ice measurements for 2023 are scheduled for the week of Feb. 13
Measurements from March 16, 2022
Composite measurements from 2013-2022
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