The St. Paul District is scheduled for ice surveys in February 2025. Please check back for measurements.
Due to less ice than normal, the St. Paul District did not conduct ice surveys in 2024.
Final measurements for the 2023 ice surveys were taken March 6, 2023.
Measurements from March 6, 2023
Composite 12-Year measurements from 2012-2023
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.