Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest

On Monday and Tuesday, the focus for heavy rain and severe thunderstorms will continue in the Plains and central Mississippi River Valley. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. 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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Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest

May Precipitation Rankings for Chicago