National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Chicago Precipitation Rankings for each month
Jan Feb Mar Apr May Jun July Aug Sept Oct Nov Dec Annual

 

CHICAGO
MONTHLY TOTAL PRECIPITATION
OCTOBER

Normal: 3.43 inches

***Smallest to Greatest Official Chicago Precipitation Data from 1871 - 2022***

 

0.18 1897   1.75 1893   3.19 1880
0.20 1964   1.77 1927   3.23 1994
0.30 1956   1.79 1910   3.26 1898
0.36 1891   1.79 1939   3.26 1921
0.40 1915   1.79 1992   3.26 1940
0.51 1895   1.80 1981   3.40 1882
0.59 1944   1.81 1979   3.40 1922
0.62 1948   1.82 1889   3.47 1973
0.62 1963   1.82 1905   3.49 1961
0.65 1872   1.88 1982   3.52 1912
0.71 1968   1.88 2003   3.52 1932
0.77 1938   1.98 2011   3.59 1884
0.81 1908   2.03 1887   3.62 1972
0.84 1894   2.05 1906   3.64 1933
0.84 1924   2.07 2008   3.65 2020
0.85 1971   2.09 1899   3.72 1925
0.90 1952   2.09 1980   3.75 1986
0.93 1907   2.12 1958   3.77 2016
0.93 2010   2.17 1966   3.79 1911
1.06 1965   2.19 1993   3.87 1885
1.07 1999   2.23 1913   3.88 1916
1.09 1903   2.23 2015   3.95 1969
1.12 2000   2.26 1975   3.96 1917
1.18 1945   2.32 1934   4.04 2006
1.20 1876   2.32 1976   4.10 1990
1.20 1909   2.32 1996   4.20 1890
1.21 1974   2.43 1873   4.20 1995
1.25 1953   2.48 2014   4.32 1875
1.29 1901   2.55 1874   4.41 1983
1.29 1950   2.60 1947   4.57 1923
1.35 1900   2.62 1931   4.67 1967
1.36 1896   2.72 1879   4.79 2018
1.38 1962   2.73 1949   4.94 1970
1.39 2005   2.73 1951   4.98 1985
1.40 1978   2.74 1928   5.05 1988
1.42 1886   2.76 1997   5.17 1878
1.44 1942   2.81 1930   5.22 1998
1.45 1902   2.82 1946   5.37 1955
1.49 1943   2.85 2004   5.77 2021
1.49 1989   2.86 1959   6.04 2009
1.54 1892   2.88 1871   6.41 1919
1.57 1920   2.89 1914   6.51 1877
1.58 1904   2.94 1918   6.76 2019
1.59 1987   2.95 1888   6.89 1881
1.60 2002   3.00 1936   7.36 1883
1.66 1977   3.06 1929   7.36 1991
1.66 2022   3.09 1937   8.44 1941
1.67 1926   3.12 2013   8.54 2001
1.68 1935   3.15 1957   8.70 2017
1.69 2007   3.15 1984   12.06 1954
1.71 1960   3.15 2012