March 11, 2021 are expected to be the last measurements of the Season
Measurements from March 11th, 2021 *Updated 3/11*
Composite measurements from 2012-2021 *Updated 3/11*
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