National Weather Service United States Department of Commerce

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. 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
AUGUST

Normal: 4.25 inches

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

 

0.18 1893   2.15 1963   4.18 1956
0.39 1889   2.16 1941   4.19 2003
0.45 1879   2.16 2015   4.22 1907
0.54 1881   2.19 1964   4.23 1945
0.60 1894   2.26 2000   4.24 1900
0.80 1976   2.30 1999   4.26 2009
0.80 2020   2.47 2005   4.26 2016
0.85 1962   2.50 1884   4.29 1936
0.85 1973   2.50 1948   4.33 1915
0.90 1974   2.51 1958   4.46 1905
0.91 1899   2.51 2017   4.47 1880
0.99 1926   2.58 1890   4.50 1997
1.00 1953   2.59 1872   4.51 2021
1.02 1960   2.68 1937   4.52 1891
1.05 1916   2.81 1991   4.54 2011
1.10 1919   2.95 2006   4.86 1951
1.11 1969   3.03 1898   4.92 1921
1.14 1933   3.06 1877   4.96 1882
1.15 1986   3.08 1910   5.03 1928
1.17 1930   3.08 1932   5.20 1943
1.21 1883   3.15 1874   5.30 2004
1.24 1917   3.16 1920   5.31 1968
1.27 1918   3.16 1947   5.35 1955
1.31 1949   3.17 1927   5.36 1957
1.41 1966   3.29 1875   5.51 1975
1.43 1906   3.29 1988   5.67 1931
1.44 1902   3.35 1887   5.74 1993
1.45 1922   3.38 1886   5.91 1954
1.45 1996   3.41 1934   6.07 1961
1.47 1939   3.47 1970   6.19 1972
1.58 1873   3.49 1903   6.20 1909
1.63 1959   3.49 1929   6.35 1908
1.69 1978   3.49 1995   6.49 1895
1.69 2013   3.52 1896   6.60 1981
1.70 1897   3.56 1935   6.61 2018
1.78 1950   3.56 1992   6.79 1965
1.80 2010   3.59 1912   6.88 1998
1.85 1892   3.61 1942   7.30 2014
1.89 1944   3.63 2019   7.31 1989
1.93 1946   3.66 1876   7.75 1990
1.96 1971   3.66 1878   7.76 1923
2.00 1901   3.69 1952   8.06 2002
2.01 1871   3.72 1911   8.12 1924
2.05 2022   3.73 2008   8.54 1980
2.07 1967   3.76 1914   8.64 1979
2.07 2012   3.90 1985   9.68 1977
2.08 1983   3.93 1982   9.70 2007
2.09 1925   3.95 1940   11.28 1885
2.10 1888   4.00 1904   12.25 2001
2.10 1984   4.05 1994   17.10 1987
2.12 1938   4.06 1913