Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Rockford Precipitation Rankings for each month
Jan	Feb	Mar	Apr	May	Jun	July	Aug	Sept	Oct	Nov	Dec

ROCKFORD
MONTHLY PRECIPITATION AMOUNTS
SEPTEMBER

NORMAL 3.62 inches

***Smallest to Greatest Official Rockford Precipitation Data from 1906 - 2022***

Last Updated 12/2/2022

0.05	1979	2.16	1924	4.61	1930
0.25	2004	2.25	1949	4.69	1906
0.35	1974	2.29	1988	4.73	1959
0.37	1940	2.36	1971	4.84	1907
0.50	1956	2.38	1987	4.97	1929
0.51	2017	2.40	1958	5.29	1999
0.53	2021	2.51	1937	5.33	2011
0.63	1957	2.61	1998	5.44	1992
0.77	1920	2.62	1944	5.57	1915
0.85	1990	2.62	1955	5.57	2018
0.91	1975	2.68	1953	5.61	1926
0.92	1908	2.68	2002	5.84	2022
0.94	1952	2.69	1935	5.85	1950
1.18	1966	2.78	1947	5.91	1925
1.39	1976	2.81	1985	6.04	1942
1.50	1922	2.91	2006	6.13	1980
1.53	1928	2.97	2016	6.14	1919
1.54	1984	2.99	1951	6.27	1921
1.60	1918	3.06	1933	6.36	2008
1.61	1943	3.11	1967	6.51	1972
1.61	2013	3.24	1917	6.56	1911
1.62	1996	3.28	2015	6.61	2020
1.65	1939	3.32	1964	6.76	1968
1.69	2009	3.41	1909	7.00	1916
1.70	1982	3.44	1923	7.56	1938
1.73	1962	3.51	1981	7.59	1927
1.74	2012	3.53	1912	7.86	1936
1.79	1997	3.67	1913	7.92	2000
1.83	1948	3.72	1993	8.23	1965
1.86	1989	3.80	1983	8.52	1973
1.86	2005	3.91	1977	8.58	1946
1.87	1969	3.92	1914	9.10	2019
1.89	2010	3.95	1963	9.19	2001
2.00	2014	4.06	1994	9.89	1986
2.01	1995	4.33	1978	10.26	1941
2.02	2003	4.46	1934	10.63	1970
2.04	2007	4.54	1931	10.68	1961
2.05	1932	4.56	1960	No Data	1945
2.12	1910	4.59	1991	No Data	1954

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Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

September Precipitation Amounts for Rockford, IL