Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >
DECEMBER RECORD HIGHS…LOWS…AND PRECIPITATION FOR CHICAGO
**Updated 12/31/2022**
| Day | Record High Temp/Year |
Record Low Max/Year |
Record High Min/Year |
Record Low Temp/Year |
Record Precipitation Daily/Year |
Record Snow Daily/Year |
| 1 | 68/1970 | 2/1893 | 52/1914 | -6/1893 | 1.23/2006 | 7.8/1978 |
| 2 | 71/1982 | 14/1942 | 58/1982 | -1/1942 | 4.47/1982 | 5.6/1991 |
| 3 | 71/1970 | 15/2006 | 54/1998 | -5/1940 | 1.12/1873 | 4.0/1893 |
| 4 | 66/1998 | 13/1991 | 56/1998 | 0/1893 | 1.19/1973 | 6.4/2016 |
| 5 | 68/2001 | 15/1895 | 55/1998 | 4/2005 | 1.10/1906 | 3.9/1977 |
| 6 | 65/1980 | 16/1893 | 52/1980 | 0/1972 | 1.12/1998 | 5.6/1950 |
| 7 | 64/1916 | 6/1882 | 45/1980 | -6/1882 | 1.12/1980 | 6.9/1978 |
| 8 | 64/1946 | 8/1927 | 53/1946 | -7/1882 | 1.21/1885 | 6.9/1977 |
| 9 | 62/1879 | 2/1876 | 56/1946 | -14/1876 | 1.47/2008 | 5.1/1931 |
| 10 | 62/1879 | 8/1919 | 46/1911 | -8/1978 | 2.18/1971 | 10.9/1934 |
| 11 | 61/1949 | 6/1962 | 50/1965 | -5/1972 | 1.73/1949 | 9.5/2000 |
| 12 | 61/1877 | 10/1962 | 48/1968 | -8/2000 | 1.76/1972 | 11.0/1903 |
| 13 | 67/1975 | 3/1903 | 48/2015 | -13/1903 | 1.14/1928 | 6.0/2000 |
| 14 | 66/1975 | 5/1903 | 47/1975 | -9/1901 | 1.43/2011 | 10.0/1951 |
| 15 | 66/2021 | -2/1901 | 50/2021 | -12/1901 | 1.10/1971 | 8.0/1987 |
| 16 | 66/2021 | 2/1951 | 43/1928 | -12/1951 | 1.67/1921 | 4.8/2008 |
| 17 | 60/1977 | 8/1945 | 44/1977 | -7/1951 | 1.28/1921 | 4.6/1951 |
| 18 | 62/1877 | 1/1884 | 43/1877 | -11/1983 | 1.41/2002 | 6.7/1929 |
| 19 | 64/1877 | 5/1963 | 57/1877 | -14/1983 | 2.66/1895 | 8.3/1973 |
| 20 | 67/1877 | 4/1901 | 55/1877 | -9/1963 | 1.67/1895 | 11.0/2002 |
| 21 | 62/1967 | 0/1989 | 49/1918 | -14/1989 | 1.81/1949 | 3.6/1983 |
| 22 | 57/1957 | 3/1989 | 50/1941 | -21/1872 | 0.90/2006 | 3.6/1953 |
| 23 | 62/1982 | -6/1983 | 49/1877 | -21/1983 | 2.50/1871 | 10.2/1961 |
| 24 | 64/1889 | -11/1983 | 51/1982 | -25/1983 | 2.61/1965 | 7.1/1918 |
| 25 | 64/1982 | -5/1983 | 46/1936 | -17/1983 | 0.50/1950 | 5.1/1950 |
| 26 | 61/2019 | 5/2017 | 45/1936 | -11/1983 | 0.98/1888 | 5.6/2009 |
| 27 | 61/2008 | 3/1925 | 51/1959 | -10/1950 | 1.74/2008 | 10.1/1894 |
| 28 | 69/1984 | -1/1880 | 49/1984 | -13/1924 | 1.47/2015 | 8.0/1987 |
| 29 | 63/1984 | 2/1983 | 47/2019 | -15/1880 | 0.78/1978 | 5.8/2000 |
| 30 | 61/1884 | 9/1938 | 51/1884 | -7/1909 | 1.69/1972 | 5.1/1927 |
| 31 | 68/1875 | 5/1976 | 43/1933 | -10/1967 | 0.89/1978 | 7.6/1978 |
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