Every state’s records

Wisconsin Weather Records

6 official all-time records

The official all-time extremes for Wisconsin, as NOAA’s State Climate Extremes Committee lists them: from 114°F at Wisconsin Dells to -55°F at Couderay.

Maximum Temperature

RecordDateWhereStationStatus
114°FJuly 13, 1936Wisconsin Dells479319E: Value is unchanged from previous extremes tables last updated by NCEI (formerly NCDC) between 1998 and 2006. Value exceeds all other valid values.

Minimum Temperature

RecordDateWhereStationStatus
-55°FFebruary 4, 1996Couderay471847E1
-55°FFebruary 2, 1996Couderay471847E1

Greatest 24-Hour Precipitation

RecordDateWhereStationStatus
14.55 inchesAugust 9, 2025 to August 10, 2025James Madison HS/NW MilwaukeeMMSD #1207NS

The previous record of 11.72 inches set back on June 24, 1946 in Mellen (COOP ID: 475286) was the original SCEC 24-hour precipitation record for Wisconsin.

Maximum 24-Hour Snowfall

RecordDateWhereStationStatus
26 inchesDecember 26, 1904 to December 27, 1904Neillsville475808E: Value is unchanged from previous extremes tables last updated by NCEI (formerly NCDC) between 1998 and 2006. Value exceeds all other valid values.

Maximum Snow Depth

RecordDateWhereStationStatus
83 inchesApril 6, 1933Flambeau Reservoir472814N: Value is changed from extremes tables last updated by NCEI (formerly NCDC) between 1998 and 2006. Value exceeds all other valid values.

More

Every storm in Wisconsin since 1950Every tornado in WisconsinEvery state

Sources

NOAA National Centers for Environmental Information, State Climate Extremes Committee records.