Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

Rockford Precipitation Rankings for each month

ROCKFORD
MONTHLY PRECIPITATION AMOUNTS
MAY

NORMAL 4.18 inches

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

0.48	1992	3.02	2002	4.58	1916
0.68	1934	3.03	1975	4.66	1960
1.06	1936	3.05	1993	4.68	1942
1.22	1928	3.12	2008	4.68	2018
1.25	2007	3.12	2016	4.76	1910
1.29	1923	3.14	2013	4.76	1966
1.29	1950	3.20	1952	4.78	1909
1.29	1988	3.25	1937	4.78	1927
1.34	1921	3.27	1954	4.78	1948
1.41	1994	3.36	1999	4.79	1986
1.44	1961	3.41	1964	4.85	2015
1.45	1925	3.43	1985	4.90	2017
1.45	1979	3.46	2009	4.99	1983
1.47	1924	3.66	1931	5.10	1990
1.53	1949	3.68	1922	5.20	1944
1.62	2012	3.69	1998	5.20	1956
1.78	2005	3.72	2006	5.47	1977
1.83	1971	3.73	1987	5.50	1970
1.84	1981	3.74	1919	5.66	1965
1.89	1963	3.74	1947	5.70	1913
2.23	1932	3.76	1951	5.72	1943
2.24	1958	3.78	1968	5.75	1969
2.31	1926	3.84	1978	5.82	2010
2.33	2014	3.94	1912	5.85	1997
2.36	2021	3.94	2011	5.95	1935
2.37	1980	3.95	1984	6.05	1914
2.38	1976	3.98	2001	6.30	1995
2.41	1930	4.03	2020	6.58	1908
2.42	1906	4.04	1940	6.62	2000
2.48	1967	4.06	1939	6.98	1973
2.54	2022	4.11	1941	6.98	1974
2.61	1959	4.20	2003	7.02	1915
2.70	1929	4.23	1957	7.67	1945
2.72	1991	4.23	1962	8.21	2004
2.76	1955	4.36	1938	8.88	1933
2.91	1953	4.44	1918	8.93	2019
2.93	1989	4.47	1917	11.75	1996
2.96	1907	4.56	1982	No Data	1920
2.98	1911	4.57	1972	No Data	1946

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Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

May Precipitation Rankings for Rockford, IL