Thunderstorms and Heavy Rain from the Southern Plains through the Southeast

Scattered to severe thunderstorms and heavy rain may produce hail, damaging winds, and localized flash flooding across portions of the southern Plains and Southeast. Another area of heavy rain will develop over parts of the Ohio Valley/Central Appalachians and create mainly localized areas of flash flooding. Read More >

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

ROCKFORD
MONTHLY PRECIPITATION AMOUNTS
DECEMBER

NORMAL 1.93 inches

***Smallest to Greatest Official Rockford Precipitation Data from 1906 - 2021***

0.17	1907	1.23	1993	2.24	1979
0.33	1939	1.26	1919	2.30	1985
0.37	1955	1.26	1994	2.31	1923
0.37	1976	1.31	1925	2.31	1983
0.49	1995	1.37	1970	2.32	1931
0.49	2017	1.39	1934	2.37	1918
0.50	1962	1.40	1922	2.37	1954
0.51	1989	1.41	1938	2.37	1972
0.52	1915	1.49	1944	2.42	2021
0.53	1930	1.55	1967	2.45	1990
0.55	1913	1.57	1952	2.49	2012
0.56	1933	1.62	1946	2.52	2006
0.58	1929	1.63	1974	2.53	1945
0.59	1943	1.64	1940	2.66	2018
0.60	1910	1.68	2019	2.69	1950
0.61	1917	1.69	2013	2.71	1980
0.64	1960	1.70	1906	2.76	1978
0.65	2004	1.72	1916	2.77	1959
0.66	1986	1.73	2010	2.81	1953
0.75	1958	1.75	1988	3.03	1965
0.77	1981	1.76	2020	3.06	1957
0.78	2002	1.80	1951	3.20	2003
0.79	1908	1.81	1927	3.28	2007
0.79	1963	1.82	1928	3.29	1984
0.83	1926	1.82	1932	3.31	1968
0.84	1997	1.82	1991	3.32	1973
0.89	1998	1.86	1949	3.35	1942
0.91	1964	1.87	1977	3.36	1992
0.93	2001	1.88	2016	3.48	1909
0.93	2014	1.91	1911	3.55	2009
0.95	1935	1.93	2000	3.56	1921
0.97	1956	1.94	1999	3.65	1982
0.97	1961	1.95	1975	3.91	1936
1.00	2005	2.02	1941	4.01	2008
1.02	1937	2.03	1920	4.03	1987
1.11	1947	2.06	2011	4.65	2015
1.14	1912	2.14	1996	5.04	1971
1.19	1948	2.16	1914	No Data	1924
1.20	1969	2.16	1966

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Thunderstorms and Heavy Rain from the Southern Plains through the Southeast

December Precipitation Amounts for Rockford, IL