If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >
Chicago, IL
Weather Forecast Office
SEPTEMBER RECORD HIGHS…LOWS…AND PRECIPITATION FOR ROCKFORD
**Updated 12/1/2022**
| Day | Record High Temp/Year |
Record Low Max/Year |
Record High Min/Year |
Record Low Temp/Year |
Record Precipitation Daily/Year |
| 1 | 102/1953 | 64/1951 | 72/1937 | 41/1949 | 1.72/2018 |
| 2 | 101/1953 | 61/1974 | 77/2011 | 35/1946 | 2.40/1942 |
| 3 | 100/1913 | 62/1974 | 73/1939 | 43/1908 | 1.12/1941 |
| 4 | 101/1925 | 61/1994 | 72/2018 | 39/1974 | 2.38/2008 |
| 5 | 100/1925 | 62/1905 | 72/1985 | 41/1924 | 1.22/1929 |
| 6 | 102/1922 | 63/1956 | 73/1985 | 38/1924 | 1.72/1916 |
| 7 | 103/1939 | 64/1949 | 77/1939 | 37/1986 | 2.20/1980 |
| 8 | 101/1922 | 58/2020 | 71/1945 | 37/1986 | 2.06/2020 |
| 9 | 97/1955 | 58/2020 | 73/1933 | 41/1924 | 5.45/1941 |
| 10 | 96/2013 | 58/1924 | 70/2000 | 37/1917 | 1.21/1919 |
| 11 | 96/1931 | 54/2014 | 72/1947 | 34/1917 | 4.46/2022 |
| 12 | 95/1927 | 53/2014 | 70/1931 | 36/1975 | 2.92/2019 |
| 13 | 99/1939 | 55/1970 | 70/1908 | 32/1975 | 5.56/1961 |
| 14 | 101/1939 | 57/1970 | 71/1931 | 30/1923 | 1.81/1911 |
| 15 | 102/1939 | 53/1993 | 72/1936 | 35/2007 | 2.00/1912 |
| 16 | 94/1931 | 56/1973 | 69/1992 | 34/1916 | 2.20/1936 |
| 17 | 93/1988 | 55/1973 | 69/1931 | 35/1916 | 2.21/1970 |
| 18 | 92/1920 | 56/1938 | 69/1926 | 32/1929 | 2.53/1960 |
| 19 | 93/2021 | 51/1938 | 71/1978 | 34/1929 | 2.38/1968 |
| 20 | 92/1920 | 52/1918 | 68/1931 | 30/1956 | 2.40/2001 |
| 21 | 94/1920 | 47/1995 | 71//2019 | 34/1995 | 3.20/1950 |
| 22 | 93/1937 | 47/1913 | 67/2017 | 30/1976 | 3.05/2000 |
| 23 | 93/2017 | 54/1913 | 66/2017 | 29/1974 | 0.66/1970 |
| 24 | 92/1920 | 48/1942 | 70/1930 | 28/1976 | 3.26/1986 |
| 25 | 95/1920 | 47/1942 | 69/1972 | 27/1942 | 1.93/1993 |
| 26 | 92/1920 | 41/1942 | 69/1973 | 26/1926 | 3.93/2011 |
| 27 | 90/2021 | 50/1942 | 66/1986 | 29/1942 | 2.00/1999 |
| 28 | 91/1952 | 50/1984 | 68/1971 | 24/1942 | 2.15/1999 |
| 29 | 94/1953 | 44/1912 | 64/1986 | 28/1949 | 3.92/1906 |
| 30 | 92/1971 | 52/1945 | 66/2002 | 27/1984 | 1.23/1925 |
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333 West University Drive
Romeoville, IL 60446
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