Thanksgiving Climate Data for Chicago and Rockford

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June 2025 Climate Summary

Updated Nov 2022.

Chicago
Chicago Yearly
Rockford
Rockford Yearly
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Chicago

Official weather records for Chicago date back to 1871 for temperatures and precipitation, and to 1884 for snowfall. Observation location history for Chicago can be found here.

Thanksgiving Climate Data for Chicago

Top 10 Warmest (Highs)			Top 10 Coldest (Highs)
1	1966	69	1	1930	14
2	1914	64	2	1881	19
3	2012	63		1877	19
	1915	63		1872	19
	1896	63	5	1945	22
6	1981	62	6	1929	24
7	1998	61		1898	24
	1973	61		1889	24
9	2015	60	9	1956	25
	1976	60		1903	25
	1879	60

Top 10 Warmest (Lows)			Top 10 Coldest (Lows)
1	1896	57	1	1950	-1
2	1966	54	2	1872	0
3	1879	50	3	1930	3
4	1915	49	4	1898	9
	1914	49	5	1989	10
6	2015	48		1929	10
7	1913	44	7	1903	12
8	2012	42		1892	12
	1965	42	9	1947	13
10	2020	41	10	5 years	14
	1940	41
	1940	41

Top 10 Wettest			Top 10 Snowiest
1	1968	1.56	1	1980	3.0
2	1918	0.68	2	1949	2.5
3	1991	0.66	3	1893	2.1
4	1887	0.60	4	1950	1.8
5	1951	0.56	5	1953	1.5
6	1923	0.53	6	1947	1.2
7	1980	0.43	7	1975	1.1
8	2015	0.42	8	1944	0.9
9	1897	0.36	9	1903	0.6
10	1896	0.35	10	1945	0.5
				1902	0.5

Percent of Years (Precip)			Percent of Years (Snow)
>0	57%		>0	23%
>=0.01	37%		>T	12%
>=0.1	15%		>=1	5%
>=0.5	4%
>=1	1%

Chicago Yearly

Year	Date	High Temp	Min Temp	Precip	Snow
1872	Nov 28	19	0	0.01	N/A
1873	Nov 27	33	25	0.00	N/A
1874	Nov 26	47	32	0.01	N/A
1875	Nov 25	45	21	0.02	N/A
1876	Nov 30	27	15	0.32	N/A
1877	Nov 29	19	14	0.03	N/A
1878	Nov 28	46	35	0.00	N/A
1879	Nov 27	60	50	0.17	N/A
1880	Nov 25	29	14	0.08	N/A
1881	Nov 24	19	14	0.00	N/A
1882	Nov 30	36	22	0.00	N/A
1883	Nov 29	47	33	0.00	N/A
1884	Nov 27	43	26	0.04	T
1885	Nov 26	40	34	0.00	0.0
1886	Nov 25	26	18	T	T
1887	Nov 24	39	34	0.60	0.0
1888	Nov 29	38	34	0.00	0.0
1889	Nov 28	24	22	0.01	0.0
1890	Nov 27	40	30	0.00	0.0
1891	Nov 26	40	27	T	0.0
1892	Nov 24	28	12	0.00	0.0
1893	Nov 30	27	18	0.21	2.1
1894	Nov 29	30	24	T	T
1895	Nov 28	40	28	T	0.0
1896	Nov 26	63	57	0.35	0.0
1897	Nov 25	47	35	0.36	0.0
1898	Nov 24	24	9	0.00	0.0
1899	Nov 30	51	38	T	0.0
1900	Nov 29	32	26	0.00	0.0
1901	Nov 28	37	29	0.00	0.0
1902	Nov 29	36	29	0.05	0.5
1903	Nov 26	25	12	0.06	0.6
1904	Nov 24	43	39	0.00	0.0
1905	Nov 30	28	14	T	T
1906	Nov 29	41	35	0.02	0.0
1907	Nov 28	46	33	0.00	0.0
1908	Nov 26	59	35	0.00	0.0
1909	Nov 25	52	39	0.00	0.0
1910	Nov 24	53	39	0.12	0.0
1911	Nov 30	35	20	0.00	0.0
1912	Nov 28	39	25	0.00	0.0
1913	Nov 29	46	44	0.00	0.0
1914	Nov 26	64	49	0.00	0.0
1915	Nov 25	63	49	0.09	0.0
1916	Nov 30	44	31	0.00	0.0
1917	Nov 29	41	34	0.01	0.0
1918	Nov 28	48	36	0.68	T
1919	Nov 27	32	30	0.03	0.3
1920	Nov 25	37	31	0.00	0.0
1921	Nov 24	43	32	T	0.0
1922	Nov 30	58	29	0.01	0.0
1923	Nov 29	45	35	0.53	0.0
1924	Nov 27	38	24	0.02	T
1925	Nov 26	40	32	0.00	0.0
1926	Nov 25	59	31	T	0.0
1927	Nov 24	45	37	0.09	0.0
1928	Nov 29	42	39	0.15	0.0
1929	Nov 28	24	10	0.00	0.0
1930	Nov 27	14	3	T	T
1931	Nov 26	31	26	T	T
1932	Nov 24	39	25	0.00	0.0
1933	Nov 30	50	39	0.00	0.0
1934	Nov 29	44	41	T	0.0
1935	Nov 28	40	21	0.03	0.3
1936	Nov 26	26	18	0.00	0.0
1937	Nov 25	52	36	0.00	0.0
1938	Nov 24	33	20	T	T
1939	Nov 23	43	34	T	0.0
1940	Nov 21	59	41	0.08	0.0
1941	Nov 20	53	35	0.00	0.0
1942	Nov 26	35	18	T	T
1943	Nov 25	53	20	0.00	0.0
1944	Nov 23	36	28	0.10	0.9
1945	Nov 22	22	15	0.04	0.5
1946	Nov 28	53	22	0.00	0.0
1947	Nov 27	32	13	0.08	1.2
1948	Nov 25	51	33	T	0.0
1949	Nov 24	35	29	0.33	2.5
1950	Nov 23	30	-1	0.04	1.8
1951	Nov 22	50	30	0.56	0.0
1952	Nov 27	28	17	T	T
1953	Nov 26	32	30	0.15	1.5
1954	Nov 25	42	31	0.08	T
1955	Nov 24	38	19	0.00	0.0
1956	Nov 22	25	19	0.01	0.1
1957	Nov 28	45	32	0.02	0.0
1958	Nov 27	27	14	0.00	0.0
1959	Nov 26	33	26	0.01	0.3
1960	Nov 24	49	32	0.00	0.0
1961	Nov 23	46	35	T	0.0
1962	Nov 22	41	27	0.00	0.0
1963	Nov 28	54	36	0.00	0.0
1964	Nov 26	40	30	0.00	0.0
1965	Nov 25	50	42	T	0.0
1966	Nov 24	69	54	0.16	0.0
1967	Nov 23	35	30	0.00	0.0
1968	Nov 28	43	35	1.56	T
1969	Nov 27	41	31	0.01	0.1
1970	Nov 26	50	36	0.08	0.0
1971	Nov 25	45	33	0.00	0.0
1972	Nov 23	31	22	0.00	0.0
1973	Nov 22	61	34	0.00	0.0
1974	Nov 28	36	22	T	T
1975	Nov 27	34	26	0.07	1.1
1976	Nov 25	60	32	T	0.0
1977	Nov 24	38	29	0.00	0.0
1978	Nov 23	45	33	0.00	0.0
1979	Nov 22	58	40	0.00	0.0
1980	Nov 27	37	30	0.43	3.0
1981	Nov 26	62	33	0.14	0.0
1982	Nov 25	36	19	0.00	0.0
1983	Nov 24	30	22	T	T
1984	Nov 22	42	23	0.00	0.0
1985	Nov 22	40	28	0.05	T
1986	Nov 27	37	26	0.00	0.0
1987	Nov 26	43	38	T	0.0
1988	Nov 24	59	35	0.00	0.0
1989	Nov 23	27	10	T	T
1990	Nov 22	54	33	0.00	0.0
1991	Nov 28	38	32	0.66	T
1992	Nov 26	44	28	T	0.0
1993	Nov 25	42	38	0.23	0.0
1994	Nov 24	48	30	0.00	0.0
1995	Nov 23	33	20	0.00	0.0
1996	Nov 28	38	20	T	T
1997	Nov 27	48	24	0.23	0.0
1998	Nov 26	61	39	0.00	0.0
1999	Nov 25	48	23	0.00	0.0
2000	Nov 23	36	21	0.00	0.0
2001	Nov 22	57	39	0.00	0.0
2002	Nov 28	33	15	0.00	0.0
2003	Nov 27	45	36	0.01	0.0
2004	Nov 25	33	21	0.00	0.0
2005	Nov 24	41	16	T	T
2006	Nov 23	58	30	0.00	0.0
2007	Nov 22	33	25	0.01	0.1
2008	Nov 27	45	22	0.00	0.0
2009	Nov 27	40	29	0.00	0.0
2010	Nov 25	39	21	0.01	0.0
2011	Nov 24	47	40	0.00	0.0
2012	Nov 22	63	42	0.27	0.0
2013	Nov 28	34	19	0.00	0.0
2014	Nov 27	27	15	T	T
2015	Nov 26	60	48	0.42	0.0
2016	Nov 24	43	35	T	0.0
2017	Nov 23	46	32	0.00	0.0
2018	Nov 22	40	31	0.00	0.0
2019	Nov 28	37	31	T	0
2020	Nov 26	46	41	0.00	0.0
2021	Nov 25	48	23	T	0.0
2022	Nov 24	54	35	T	0.0

Rockford

Official weather records for Rockford date back to 1905 for temperatures, precipitation, and snowfall. Observation location history for Rockford can be found here.

Thanksgiving Climate Data for Rockford

Top 10 Warmest (Highs)			Top 10 Coldest (Highs)
1	1914	67	1	1930	17
2	2012	64	2	1945	22
	1915	64	3	1956	23
4	1933	62	4	2014	25
	1908	62		1958	25
6	1966	61		1952	25
7	1998	59	7	1975	27
	1976	59		1936	27
9	2015	58	9	1959	28
	2006	58	10	1989	29
	1979	58		1938	29

Top 10 Warmest (Lows)			Top 10 Coldest (Lows)
1	1966	53	1	1930	-1
2	1913	47	2	1950	0
3	2015	46	3	1989	5
4	2020	41	4	1958	10
	1914	41		1929	10
6	1906	40	6	2014	11
7	2012	39		1975	11
	2011	39		1938	11
	1965	39	9	2002	12
10	5 years	36	10	1936	13
				1905	13

Top 10 Wettest			Top 10 Snowiest
1	2015	1.51	1	1968	4.5
2	1918	0.81	2	1953	3.0
3	1968	0.80	3	1949	2.0
4	1991	0.63		1947	2.0
5	1966	0.60	5	1945	1.5
6	1981	0.59	6	1975	0.8
7	1993	0.56	7	1980	0.7
8	1927	0.46		1977	0.7
9	1949	0.33		1959	0.7
10	1919	0.31	10	1944	0.5

Percent of Years (Precip)			Percent of Years (Snow)
>0	57%		>0	30%
>=0.01	28%		>=0.1	12%
>=0.1	16%		>=1	4%
>=0.5	6%		>=3	2%
>=1	1%

Rockford Yearly

Year	Date	High Temp	Min Temp	Precip	Snow
1905	Nov 30	40	13	0.00	0.0
1906	Nov 29	41	40	0.06	0.0
1907	Nov 28	51	29	0.00	0.0
1908	Nov 26	62	M	0.00	0.0
1909	Nov 25	39	32	0.02	0.0
1910	Nov 24	46	36	0.13	0.0
1911	Nov 30	34	15	0.00	0.0
1912	Nov 28	46	16	0.00	0.0
1913	Nov 29	55	47	0.26	0.0
1914	Nov 26	67	41	T	0.0
1915	Nov 25	64	34	0.00	0.0
1916	Nov 30	45	27	0.00	0.0
1917	Nov 29	M	28	0.00	0.0
1918	Nov 28	40	32	0.81	0.4
1919	Nov 27	35	25	0.31	0.0
1920	Nov 25	35	30	0.00	0.0
1921	Nov 24	36	28	0.00	0.0
1922	Nov 30	55	31	0.05	0.0
1923	Nov 29	39	23	0.05	0.0
1924	Nov 27	40	16	T	T
1925	Nov 26	36	21	0.00	0.0
1926	Nov 25	40	24	T	0.0
1927	Nov 24	42	35	0.46	0.0
1928	Nov 29	40	35	T	0.0
1929	Nov 28	32	10	0.00	0.0
1930	Nov 27	17	-1	0.00	0.00
1931	Nov 26	31	17	0.00	0.00
1932	Nov 24	42	15	0.00	0.0
1933	Nov 30	62	32	0.00	0.0
1934	Nov 29	40	36	T	0.0
1935	Nov 28	41	20	T	T
1936	Nov 26	27	13	0.00	0.0
1937	Nov 25	45	32	0.00	0.0
1938	Nov 24	29	11	T	T
1939	Nov 23	38	22	T	0.0
1940	Nov 21	51	32	0.08	0.0
1941	Nov 20	54	33	0.00	0.0
1942	Nov 26	45	19	T	T
1943	Nov 25	48	18	0.00	0.0
1944	Nov 23	34	29	0.05	0.5
1945	Nov 22	22	19	0.20	1.5
1946	Nov 28	M	M	M	M
1947	Nov 27	32	14	0.20	2.0
1948	Nov 25	45	34	0.00	0.0
1949	Nov 24	35	28	0.33	2.0
1950	Nov 23	32	0	T	T
1951	Nov 22	46	24	0.26	0.0
1952	Nov 27	25	14	T	T
1953	Nov 26	33	25	0.30	3.0
1954	Nov 25	37	27	T	T
1955	Nov 24	39	16	0.00	0.0
1956	Nov 22	23	15	T	T
1957	Nov 28	37	30	T	0.0
1958	Nov 27	25	10	T	T
1959	Nov 26	28	23	0.06	0.7
1960	Nov 24	48	28	0.00	0.0
1961	Nov 23	44	35	T	0.0
1962	Nov 22	37	23	0.00	0.0
1963	Nov 28	52	31	0.00	0.0
1964	Nov 26	39	24	0.00	0.0
1965	Nov 25	46	39	T	0.0
1966	Nov 24	61	53	0.60	0.0
1967	Nov 23	34	19	0.00	0.0
1968	Nov 28	40	32	0.80	4.5
1969	Nov 27	36	18	T	T
1970	Nov 26	45	33	T	0.0
1971	Nov 25	43	32	0.02	0.1
1972	Nov 23	35	25	0.00	0.0
1973	Nov 22	56	33	0.00	0.0
1974	Nov 28	33	19	0.00	0.0
1975	Nov 27	27	11	0.04	0.8
1976	Nov 25	59	28	T	0.0
1977	Nov 24	32	23	0.08	0.7
1978	Nov 23	38	29	0.10	T
1979	Nov 22	58	35	0.07	0.0
1980	Nov 27	34	32	0.08	0.7
1981	Nov 26	57	34	0.59	0.0
1982	Nov 25	36	18	0.00	0.0
1983	Nov 24	32	26	T	T
1984	Nov 22	45	19	0.00	0.0
1985	Nov 22	34	22	0.02	0.4
1986	Nov 27	41	22	0.00	0.0
1987	Nov 26	40	36	T	0.0
1988	Nov 24	57	32	0.00	0.0
1989	Nov 23	29	5	T	T
1990	Nov 22	54	29	0.00	0.0
1991	Nov 28	34	30	0.63	T
1992	Nov 26	35	22	0.03	0.1
1993	Nov 25	40	36	0.56	0.0
1994	Nov 24	46	26	0.00	0.0
1995	Nov 23	31	17	0.00	0.0
1996	Nov 28	35	14	T	T
1997	Nov 27	43	27	0.16	M
1998	Nov 26	59	32	0.00	0.0
1999	Nov 25	47	23	0.00	0.0
2000	Nov 23	38	16	0.00	0.0
2001	Nov 22	57	35	0.00	0.0
2002	Nov 28	37	12	0.00	0.0
2003	Nov 27	45	31	0.01	0.0
2004	Nov 25	38	17	0.00	0.0
2005	Nov 24	39	15	T	T
2006	Nov 23	58	29	0.00	0.0
2007	Nov 22	32	25	T	T
2008	Nov 27	44	21	0.00	0.0
2009	Nov 27	40	26	0.00	0.0
2010	Nov 25	37	18	T	0.0
2011	Nov 24	49	39	T	0.0
2012	Nov 22	64	39	T	0.0
2013	Nov 28	32	16	0.00	0.0
2014	Nov 27	25	11	T	T
2015	Nov 26	58	46	1.51	0.0
2016	Nov 24	40	36	T	T
2017	Nov 23	47	29	0.00	0.0
2018	Nov 22	43	26	0.00	0.0
2019	Nov 28	36	31	T	T
2020	Nov 26	47	41	0.00	0.0
2021	Nov 25	45	18	T	T
2022	Nov 24	53	30	0.01	0.0

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