Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Chicago Precipitation Rankings for each month

CHICAGO
MONTHLY TOTAL PRECIPITATION
MAY

Normal: 4.49 inches

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

0.30	1992	2.73	1926	4.38	2012
0.58	1994	2.79	1985	4.39	2002
0.67	1934	2.83	1960	4.40	1927
0.78	1950	2.88	1972	4.46	1999
0.80	1921	2.89	1932	4.47	1995
0.84	1897	2.90	1962	4.49	1984
0.93	1903	2.93	1916	4.50	1942
1.00	1886	3.02	1998	4.57	1918
1.19	1988	3.06	1956	4.66	2015
1.38	1887	3.09	1978	4.67	1910
1.39	1967	3.11	1986	4.80	1948
1.39	1977	3.12	1958	4.90	1951
1.47	1965	3.17	1885	4.90	2010
1.53	1884	3.18	1922	4.96	2013
1.53	1961	3.18	1952	4.97	1880
1.54	1904	3.21	1957	4.98	2014
1.59	1925	3.22	1980	5.03	1933
1.59	1928	3.24	1872	5.08	1902
1.59	1989	3.28	2017	5.08	1931
1.64	1937	3.34	2001	5.13	1890
1.74	1964	3.35	1894	5.14	1905
1.75	1954	3.37	1911	5.16	1940
1.79	2021	3.41	1917	5.20	1991
1.80	2007	3.42	1941	5.22	1878
1.81	1877	3.46	1923	5.22	1914
1.81	1920	3.47	2022	5.29	2003
1.83	1993	3.50	1907	5.31	1975
1.85	1876	3.54	1946	5.38	1889
1.85	1881	3.59	1900	5.43	2016
1.93	1893	3.63	2009	5.52	1882
1.98	1971	3.64	1875	5.78	1966
1.99	1895	3.65	2006	5.85	1981
1.99	2005	3.66	1939	5.98	1974
2.00	1979	3.84	1919	6.22	1888
2.06	1968	3.86	1955	6.26	1983
2.08	1874	3.87	1959	6.74	1908
2.08	1936	3.89	1879	6.77	1892
2.08	1982	3.90	1871	6.85	1990
2.09	1891	3.97	1912	6.95	1996
2.09	1906	3.97	1947	7.04	1915
2.16	1930	3.98	1938	7.08	1943
2.17	1963	4.00	1976	7.09	1935
2.18	1901	4.02	2000	7.20	1873
2.18	1909	4.04	1969	7.22	2004
2.21	1987	4.10	2008	7.27	2011
2.23	1898	4.16	1896	7.32	1883
2.29	1929	4.17	1973	7.59	1945
2.30	1924	4.18	1970	8.21	2018
2.43	1953	4.35	1899	8.25	2019
2.46	1949	4.36	1944	9.51	2020
2.69	1997	4.38	1913

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Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

May Precipitation Rankings for Chicago