Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Memorial Day Weather for Chicago

Normal High & Low Temperature (using May 27): 74 and 52 degrees
Warmest Memorial Day: 95 degrees on May 28, 2018 and May 28, 2012
Coldest Temperature on Memorial Day: 32 degrees on May 25, 1992
Coolest Memorial Day Daytime Temperature: 42 degrees on May 30, 1889
Warmest Memorial Day Nighttime Low Temperature: 77 degrees on May 28, 2012
Wettest Memorial Day: 1.92 inches on May 27, 2019
Frequency of Rainfall Memorial Day:
68 of 146 years (47%) Memorial Days measured precipitation
Frequency of Heat Memorial Day: 10 of 146 years (7%) 90 F or hotter

Year	Date	High Temp	Min Temp	Precip
1873	May 30	51	35	0.00
1874	May 30	89	72	0.00
1875	May 30	66	55	0.00
1876	May 30	74	52	0.00
1877	May 30	82	63	0.00
1878	May 30	55	49	0.00
1879	May 30	81	68	0.00
1880	May 30	70	59	0.16
1881	May 30	76	52	0.00
1882	May 30	70	50	T
1883	May 30	60	50	0.75
1884	May 30	73	42	0.00
1885	May 30	63	47	0.69
1886	May 30	68	51	0.00
1887	May 30	68	56	0.38
1888	May 30	66	46	0.00
1889	May 30	42	40	0.06
1890	May 30	86	66	0.00
1891	May 30	63	52	0.00
1892	May 30	73	58	0.14
1893	May 30	60	51	0.00
1894	May 30	46	39	0.00
1895	May 30	91	67	0.00
1896	May 30	76	50	0.50
1897	May 30	62	45	0.01
1898	May 30	57	48	0.03
1899	May 30	78	59	0.00
1900	May 30	80	63	0.00
1901	May 30	52	46	0.00
1902	May 30	76	58	T
1903	May 30	57	48	0.02
1904	May 30	58	42	0.45
1905	May 30	55	47	0.00
1906	May 30	73	50	0.04
1907	May 30	60	52	T
1908	May 30	72	50	T
1909	May 30	80	63	T
1910	May 30	54	46	0.00
1911	May 30	70	58	0.00
1912	May 30	60	50	0.00
1913	May 30	68	59	0.00
1914	May 30	70	61	0.00
1915	May 30	57	49	0.00
1916	May 30	59	52	0.00
1917	May 30	65	55	0.47
1918	May 30	70	54	0.06
1919	May 30	78	63	0.00
1920	May 30	65	54	0.00
1921	May 30	80	72	0.00
1922	May 30	83	59	0.00
1923	May 30	66	56	0.00
1924	May 30	60	47	0.00
1925	May 30	72	53	0.00
1926	May 30	82	69	T
1927	May 30	70	53	0.01
1928	May 30	64	49	T
1929	May 30	83	70	0.00
1930	May 30	56	44	0.00
1931	May 30	58	54	0.53
1932	May 30	77	53	0.00
1933	May 30	69	59	0.00
1934	May 30	75	56	0.00
1935	May 30	57	49	0.05
1936	May 30	62	49	0.00
1937	May 30	89	68	T
1938	May 30	71	56	0.09
1939	May 30	87	59	0.00
1940	May 30	57	50	T
1941	May 30	67	58	0.37
1942	May 30	93	71	0.00
1943	May 30	80	69	0.41
1944	May 30	91	67	T
1945	May 30	76	42	0.00
1946	May 30	84	56	0.00
1947	May 30	63	38	T
1948	May 30	80	51	0.00
1949	May 30	83	50	0.00
1950	May 30	86	58	0.07
1951	May 30	82	54	0.00
1952	May 30	79	49	0.00
1953	May 30	93	69	T
1954	May 30	79	48	T
1955	May 30	70	48	0.00
1956	May 30	86	66	0.00
1957	May 30	80	62	0.00
1958	May 30	86	57	0.19
1959	May 30	72	61	0.09
1960	May 30	74	63	0.01
1961	May 30	77	44	0.00
1962	May 30	86	68	0.00
1963	May 30	74	46	0.00
1964	May 30	70	43	0.00
1965	May 30	69	48	0.00
1966	May 30	62	48	0.00
1967	May 30	63	53	0.00
1968	May 30	68	49	0.00
1969	May 30	83	57	0.00
1970	May 30	84	69	0.01
1971	May 31	74	50	T
1972	May 29	72	61	0.50
1973	May 28	70	50	0.03
1974	May 27	68	43	0.00
1975	May 26	80	64	0.16
1976	May 31	70	56	T
1977	May 30	80	61	0.03
1978	May 29	92	68	0.01
1979	May 28	64	48	0.00
1980	May 26	73	48	0.00
1981	May 25	80	49	0.01
1982	May 31	73	58	0.20
1983	May 30	55	45	0.05
1984	May 28	51	40	1.00
1985	May 27	63	46	0.41
1986	May 26	64	54	0.18
1987	May 25	66	50	0.22
1988	May 30	91	60	0.00
1989	May 29	79	56	0.33
1990	May 28	73	52	0.00
1991	May 27	88	66	0.00
1992	May 25	51	32	0.00
1993	May 31	65	39	0.05
1994	May 30	90	64	0.00
1995	May 29	68	54	T
1996	May 27	65	36	0.43
1997	May 26	55	46	0.00
1998	May 25	72	51	0.00
1999	May 31	82	64	0.76
2000	May 29	67	44	0.00
2001	May 28	67	50	0.09
2002	May 27	78	49	T
2003	May 26	71	46	0.00
2004	May 31	66	58	0.16
2005	May 30	74	46	0.00
2006	May 29	91	68	0.14
2007	May 28	79	50	T
2008	May 26	81	47	0.48
2009	May 25	67	54	0.04
2010	May 31	81	66	0.26
2011	May 30	88	56	0.00
2012	May 28	95	77	T
2013	May 27	62	53	0.23
2014	May 26	87	61	0.00
2015	May 25	78	65	0.07
2016	May 30	87	63	0.00
2017	May 29	77	55	0.00
2018	May 28	95	70	0.00
2019	May 27	73	53	1.92
2020	May 25	88	69	0.18
2021	May 31	70	54	0.00

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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Climate Data for Chicago for Memorial Day from 1873-Present