Highest listed crest 31.12 ft June 13, 2008; 140,000 cubic feet per second
Flood stage 12.0 ft Major flooding from 16.0 ft
Crests at major 27 5th of 203 gauges in Iowa
Most recent flood crest July 15, 2026 12.01 ft, minor flooding Listed crests at the Cedar River at Cedar Rapids, 1851 to 2026 0 10 20 30 40 ft Flood stage 12.0 ft Major 16.0 ft Jun 1, 1851: 20.00 ft, major flooding; 65,000 cubic feet per second May 31, 1903: 16.85 ft, major flooding; 53,600 cubic feet per second Mar 26, 1904: 6.45 ft, below flood stage; 11,800 cubic feet per second Mar 23, 1905: 9.05 ft, below flood stage; 23,000 cubic feet per second May 20, 1905: 8.10 ft, below flood stage; 19,000 cubic feet per second Feb 28, 1906: 8.40 ft, below flood stage; 19,400 cubic feet per second Mar 30, 1906: 17.60 ft, major flooding; 55,700 cubic feet per second Jul 20, 1907: 8.50 ft, below flood stage; 19,800 cubic feet per second Aug 17, 1907: 8.20 ft, below flood stage; 18,600 cubic feet per second May 30, 1908: 8.80 ft, below flood stage; 21,000 cubic feet per second Jun 26, 1908: 8.00 ft, below flood stage; 17,800 cubic feet per second Mar 30, 1909: 9.10 ft, below flood stage; 22,100 cubic feet per second Apr 22, 1909: 7.40 ft, below flood stage; 15,400 cubic feet per second Nov 19, 1909: 8.00 ft, below flood stage; 17,800 cubic feet per second Dec 2, 1909: 7.40 ft, below flood stage; 15,400 cubic feet per second Dec 11, 1909: 8.40 ft, below flood stage; 19,400 cubic feet per second Mar 14, 1910: 9.60 ft, below flood stage; 24,100 cubic feet per second Feb 16, 1911: 7.10 ft, below flood stage; 14,300 cubic feet per second Apr 1, 1912: 17.20 ft, major flooding; 54,000 cubic feet per second Mar 18, 1913: 9.20 ft, below flood stage; 22,500 cubic feet per second Jun 19, 1914: 7.80 ft, below flood stage; 17,000 cubic feet per second Feb 25, 1915: 10.30 ft, action stage; 26,800 cubic feet per second Mar 28, 1915: 12.00 ft, minor flooding; 33,600 cubic feet per second Jun 2, 1915: 11.50 ft, action stage; 31,600 cubic feet per second Sep 28, 1915: 9.40 ft, below flood stage; 23,300 cubic feet per second Mar 30, 1916: 10.00 ft, action stage; 25,700 cubic feet per second Apr 25, 1916: 7.40 ft, below flood stage; 15,400 cubic feet per second Jun 6, 1916: 8.10 ft, below flood stage; 18,200 cubic feet per second Mar 26, 1917: 17.40 ft, major flooding; 54,900 cubic feet per second Jun 13, 1917: 8.30 ft, below flood stage; 19,000 cubic feet per second Jun 7, 1918: 11.00 ft, action stage; 28,200 cubic feet per second Mar 20, 1919: 11.40 ft, action stage; 29,700 cubic feet per second Apr 15, 1919: 9.40 ft, below flood stage; 21,800 cubic feet per second Mar 30, 1920: 7.60 ft, below flood stage; 14,800 cubic feet per second Jun 1, 1921: 8.40 ft, below flood stage; 17,900 cubic feet per second Feb 27, 1922: 9.10 ft, below flood stage; 21,000 cubic feet per second Apr 4, 1923: 7.80 ft, below flood stage; 16,000 cubic feet per second Aug 22, 1924: 10.54 ft, action stage; 26,300 cubic feet per second Jun 18, 1925: 7.00 ft, below flood stage; 12,800 cubic feet per second Sep 21, 1926: 6.70 ft, below flood stage; 11,500 cubic feet per second May 25, 1927: 6.77 ft, below flood stage; 11,800 cubic feet per second Feb 12, 1928: 9.50 ft, below flood stage; 22,200 cubic feet per second Aug 29, 1928: 11.05 ft, action stage; 29,200 cubic feet per second Mar 18, 1929: 20.00 ft, major flooding; 64,000 cubic feet per second Apr 30, 1929: 9.30 ft, below flood stage; 21,400 cubic feet per second Feb 24, 1930: 6.90 ft, below flood stage; 12,200 cubic feet per second Sep 26, 1931: 4.10 ft, below flood stage; 3,270 cubic feet per second Nov 28, 1931: 8.40 ft, below flood stage; 17,900 cubic feet per second Apr 2, 1932: 8.73 ft, below flood stage; 19,100 cubic feet per second Jun 23, 1932: 8.40 ft, below flood stage; 17,900 cubic feet per second Apr 4, 1933: 18.60 ft, major flooding; 58,400 cubic feet per second Apr 9, 1934: 5.55 ft, below flood stage; 8,620 cubic feet per second Mar 8, 1935: 10.38 ft, action stage; 26,900 cubic feet per second Mar 15, 1936: 9.45 ft, below flood stage; 22,700 cubic feet per second Mar 27, 1936: 8.90 ft, below flood stage; 20,600 cubic feet per second Feb 21, 1937: 9.30 ft, below flood stage; 22,300 cubic feet per second Mar 9, 1937: 13.61 ft, minor flooding; 40,700 cubic feet per second Jun 17, 1937: 9.60 ft, below flood stage; 23,500 cubic feet per second Sep 21, 1938: 6.93 ft, below flood stage; 12,900 cubic feet per second Mar 18, 1939: 8.67 ft, below flood stage; 19,700 cubic feet per second Apr 4, 1940: 4.86 ft, below flood stage; 5,540 cubic feet per second Mar 21, 1941: 8.02 ft, below flood stage; 17,100 cubic feet per second Jun 7, 1942: 8.90 ft, below flood stage; 19,100 cubic feet per second Aug 3, 1942: 12.60 ft, minor flooding; 33,900 cubic feet per second Mar 31, 1943: 7.91 ft, below flood stage; 15,800 cubic feet per second May 25, 1944: 8.50 ft, below flood stage; 17,900 cubic feet per second Jun 18, 1944: 11.43 ft, action stage; 29,100 cubic feet per second Jun 23, 1944: 9.20 ft, below flood stage; 20,300 cubic feet per second Mar 19, 1945: 17.09 ft, major flooding; 52,300 cubic feet per second May 31, 1945: 8.80 ft, below flood stage; 19,700 cubic feet per second Jun 5, 1945: 9.20 ft, below flood stage; 21,200 cubic feet per second Jan 9, 1946: 10.80 ft, action stage; 27,100 cubic feet per second Mar 11, 1946: 9.20 ft, below flood stage; 21,200 cubic feet per second Mar 17, 1946: 9.90 ft, below flood stage; 23,700 cubic feet per second Sep 24, 1946: 7.80 ft, below flood stage; 16,200 cubic feet per second Apr 16, 1947: 8.30 ft, below flood stage; 18,000 cubic feet per second Jun 6, 1947: 13.50 ft, minor flooding; 37,000 cubic feet per second Jun 16, 1947: 18.23 ft, major flooding; 56,200 cubic feet per second Jul 6, 1947: 8.60 ft, below flood stage; 19,100 cubic feet per second Mar 3, 1948: 12.82 ft, minor flooding; 34,500 cubic feet per second Mar 20, 1948: 12.60 ft, minor flooding; 33,900 cubic feet per second Mar 7, 1949: 11.75 ft, action stage; 30,800 cubic feet per second Mar 31, 1949: 8.30 ft, below flood stage; 18,000 cubic feet per second Mar 11, 1950: 12.45 ft, minor flooding; 33,000 cubic feet per second Apr 1, 1950: 9.80 ft, below flood stage; 23,400 cubic feet per second Jun 26, 1950: 7.90 ft, below flood stage; 16,600 cubic feet per second Feb 27, 1951: 12.51 ft, minor flooding; 30,000 cubic feet per second Mar 31, 1951: 13.54 ft, minor flooding; 39,300 cubic feet per second Apr 11, 1951: 17.22 ft, major flooding; 54,100 cubic feet per second May 2, 1951: 13.45 ft, minor flooding; 38,900 cubic feet per second Jun 3, 1951: 8.42 ft, below flood stage; 19,400 cubic feet per second Jun 30, 1951: 12.00 ft, minor flooding; 33,300 cubic feet per second Jul 10, 1951: 8.35 ft, below flood stage; 19,400 cubic feet per second Aug 30, 1951: 7.56 ft, below flood stage; 16,300 cubic feet per second Apr 5, 1952: 10.40 ft, action stage; 27,000 cubic feet per second Aug 10, 1953: 7.29 ft, below flood stage; 15,200 cubic feet per second Jun 26, 1954: 14.02 ft, moderate flooding; 41,400 cubic feet per second Mar 5, 1955: 5.67 ft, below flood stage; 8,100 cubic feet per second Apr 6, 1956: 4.69 ft, below flood stage; 5,400 cubic feet per second Jun 20, 1957: 6.00 ft, below flood stage; 9,900 cubic feet per second Jun 13, 1958: 4.58 ft, below flood stage; 5,240 cubic feet per second Mar 21, 1959: 8.75 ft, below flood stage; 21,000 cubic feet per second Mar 30, 1959: 9.77 ft, below flood stage; 25,800 cubic feet per second Jan 13, 1960: 8.60 ft, below flood stage; 20,400 cubic feet per second Apr 2, 1960: 16.75 ft, major flooding; 55,100 cubic feet per second May 7, 1960: 11.59 ft, action stage; 32,400 cubic feet per second Mar 8, 1961: 7.62 ft, below flood stage; 17,600 cubic feet per second Mar 31, 1961: 19.66 ft, major flooding; 73,000 cubic feet per second Apr 2, 1962: 15.15 ft, moderate flooding; 50,000 cubic feet per second Sep 7, 1962: 8.11 ft, below flood stage; 18,900 cubic feet per second Mar 19, 1963: 7.26 ft, below flood stage; 15,600 cubic feet per second May 15, 1963: 6.68 ft, below flood stage; 13,100 cubic feet per second May 8, 1964: 4.43 ft, below flood stage; 4,270 cubic feet per second Mar 6, 1965: 11.19 ft, action stage; 32,100 cubic feet per second Apr 10, 1965: 18.51 ft, major flooding; 66,800 cubic feet per second Sep 26, 1965: 10.04 ft, action stage; 27,200 cubic feet per second Oct 5, 1965: 10.51 ft, action stage; 29,200 cubic feet per second Jun 16, 1966: 7.09 ft, below flood stage; 14,700 cubic feet per second Jul 19, 1966: 6.47 ft, below flood stage; 12,100 cubic feet per second Jun 16, 1967: 7.41 ft, below flood stage; 16,000 cubic feet per second Jul 20, 1968: 7.27 ft, below flood stage; 15,400 cubic feet per second Aug 7, 1968: 8.79 ft, below flood stage; 22,200 cubic feet per second Mar 28, 1969: 10.25 ft, action stage; 28,100 cubic feet per second Apr 9, 1969: 7.70 ft, below flood stage; 17,200 cubic feet per second Jul 4, 1969: 15.90 ft, moderate flooding; 51,400 cubic feet per second Jul 12, 1969: 16.58 ft, major flooding; 54,500 cubic feet per second Jul 19, 1969: 12.76 ft, minor flooding; 37,700 cubic feet per second Mar 3, 1970: 9.50 ft, below flood stage Mar 21, 1971: 8.63 ft, below flood stage; 22,800 cubic feet per second Apr 5, 1971: 9.64 ft, below flood stage; 27,400 cubic feet per second Nov 25, 1971: 9.86 ft, below flood stage May 8, 1972: 6.36 ft, below flood stage; 12,400 cubic feet per second Oct 4, 1972: 7.09 ft, below flood stage; 14,700 cubic feet per second Oct 29, 1972: 6.58 ft, below flood stage; 12,500 cubic feet per second Nov 6, 1972: 6.82 ft, below flood stage; 13,600 cubic feet per second Mar 16, 1973: 11.32 ft, action stage; 32,700 cubic feet per second Apr 21, 1973: 14.21 ft, moderate flooding; 45,500 cubic feet per second May 12, 1973: 9.65 ft, below flood stage; 25,500 cubic feet per second Jun 1, 1973: 7.48 ft, below flood stage; 16,300 cubic feet per second Mar 10, 1974: 8.04 ft, below flood stage; 18,000 cubic feet per second Apr 9, 1974: 7.76 ft, below flood stage; 16,600 cubic feet per second May 17, 1974: 9.33 ft, below flood stage; 22,600 cubic feet per second Jun 1, 1974: 7.04 ft, below flood stage; 13,400 cubic feet per second Jun 14, 1974: 12.56 ft, minor flooding; 38,200 cubic feet per second Jun 26, 1974: 9.10 ft, below flood stage; 22,300 cubic feet per second Mar 24, 1975: 10.84 ft, action stage; 32,800 cubic feet per second Apr 12, 1975: 7.27 ft, below flood stage; 16,400 cubic feet per second May 3, 1975: 9.26 ft, below flood stage; 25,600 cubic feet per second Jun 25, 1975: 7.03 ft, below flood stage; 15,600 cubic feet per second Mar 17, 1976: 7.22 ft, below flood stage; 15,100 cubic feet per second Apr 22, 1976: 7.42 ft, below flood stage; 16,100 cubic feet per second Sep 18, 1977: 7.06 ft, below flood stage; 14,600 cubic feet per second Mar 23, 1978: 8.34 ft, below flood stage; 19,700 cubic feet per second Apr 21, 1978: 6.68 ft, below flood stage; 12,700 cubic feet per second Jun 23, 1978: 7.88 ft, below flood stage; 18,000 cubic feet per second Jul 13, 1978: 7.70 ft, below flood stage; 17,200 cubic feet per second Jul 21, 1978: 6.86 ft, below flood stage; 13,700 cubic feet per second Mar 20, 1979: 12.17 ft, minor flooding; 37,600 cubic feet per second Apr 2, 1979: 11.58 ft, action stage; 35,000 cubic feet per second Apr 22, 1979: 8.92 ft, below flood stage; 21,200 cubic feet per second May 6, 1979: 6.92 ft, below flood stage; 13,300 cubic feet per second Aug 13, 1979: 6.50 ft, below flood stage; 12,200 cubic feet per second Aug 28, 1979: 11.70 ft, action stage; 34,400 cubic feet per second Mar 18, 1980: 8.50 ft, below flood stage; 20,600 cubic feet per second Jun 5, 1980: 8.76 ft, below flood stage; 21,800 cubic feet per second Jun 17, 1980: 6.57 ft, below flood stage; 12,500 cubic feet per second Aug 16, 1980: 8.90 ft, below flood stage; 21,800 cubic feet per second Jun 29, 1981: 7.25 ft, below flood stage; 15,400 cubic feet per second Aug 6, 1981: 6.68 ft, below flood stage; 13,000 cubic feet per second Mar 15, 1982: 8.73 ft, below flood stage; 21,600 cubic feet per second Mar 23, 1982: 11.21 ft, action stage; 32,200 cubic feet per second Apr 22, 1982: 7.14 ft, below flood stage; 14,300 cubic feet per second May 10, 1982: 6.88 ft, below flood stage; 13,500 cubic feet per second May 26, 1982: 8.60 ft, below flood stage; 21,000 cubic feet per second Jun 16, 1982: 10.67 ft, action stage; 30,100 cubic feet per second Jul 19, 1982: 7.96 ft, below flood stage; 18,400 cubic feet per second Nov 17, 1982: 7.80 ft, below flood stage; 17,700 cubic feet per second Dec 6, 1982: 6.96 ft, below flood stage; 14,100 cubic feet per second Jan 1, 1983: 7.10 ft, below flood stage; 14,700 cubic feet per second Feb 20, 1983: 9.59 ft, below flood stage; 25,200 cubic feet per second Feb 24, 1983: 8.96 ft, below flood stage; 22,500 cubic feet per second Mar 11, 1983: 10.79 ft, action stage; 30,400 cubic feet per second Mar 22, 1983: 7.49 ft, below flood stage; 16,400 cubic feet per second Apr 6, 1983: 9.02 ft, below flood stage; 22,800 cubic feet per second Apr 19, 1983: 11.09 ft, action stage; 31,700 cubic feet per second May 13, 1983: 6.88 ft, below flood stage; 13,800 cubic feet per second May 23, 1983: 10.92 ft, action stage; 31,000 cubic feet per second Jul 8, 1983: 9.65 ft, below flood stage; 25,500 cubic feet per second Sep 26, 1983: 7.56 ft, below flood stage; 16,600 cubic feet per second Feb 16, 1984: 7.33 ft, below flood stage; 15,700 cubic feet per second Feb 21, 1984: 11.84 ft, action stage; 35,000 cubic feet per second Mar 31, 1984: 8.19 ft, below flood stage; 19,300 cubic feet per second Apr 18, 1984: 7.61 ft, below flood stage; 16,900 cubic feet per second May 5, 1984: 10.70 ft, action stage; 30,000 cubic feet per second May 31, 1984: 7.45 ft, below flood stage; 16,000 cubic feet per second Jun 18, 1984: 10.17 ft, action stage; 27,000 cubic feet per second Jun 23, 1984: 11.31 ft, action stage; 31,800 cubic feet per second Jul 12, 1984: 7.13 ft, below flood stage; 14,400 cubic feet per second Jul 21, 1984: 6.69 ft, below flood stage; 12,900 cubic feet per second Feb 22, 1985: 8.23 ft, below flood stage; 18,000 cubic feet per second Mar 4, 1985: 7.30 ft, below flood stage; 15,600 cubic feet per second Mar 17, 1986: 10.31 ft, action stage; 28,300 cubic feet per second Mar 23, 1986: 12.89 ft, minor flooding; 39,600 cubic feet per second Oct 18, 1986: 8.99 ft, below flood stage; 22,700 cubic feet per second May 21, 1987: 6.63 ft, below flood stage; 12,700 cubic feet per second Mar 8, 1988: 5.92 ft, below flood stage; 9,760 cubic feet per second Mar 16, 1989: 5.53 ft, below flood stage; 8,130 cubic feet per second Jun 20, 1990: 9.92 ft, below flood stage; 25,900 cubic feet per second Aug 2, 1990: 14.57 ft, moderate flooding; 46,300 cubic feet per second Aug 30, 1990: 10.67 ft, action stage; 29,000 cubic feet per second Mar 2, 1991: 10.15 ft, action stage; 27,600 cubic feet per second Mar 28, 1991: 9.66 ft, below flood stage; 24,600 cubic feet per second Apr 16, 1991: 10.83 ft, action stage; 29,100 cubic feet per second May 2, 1991: 11.86 ft, action stage; 32,800 cubic feet per second May 11, 1991: 9.75 ft, below flood stage; 25,000 cubic feet per second May 23, 1991: 15.26 ft, moderate flooding; 46,100 cubic feet per second Jun 4, 1991: 13.22 ft, minor flooding; 37,900 cubic feet per second Jun 19, 1991: 8.33 ft, below flood stage; 18,200 cubic feet per second Nov 4, 1991: 6.68 ft, below flood stage; 12,100 cubic feet per second Dec 2, 1991: 6.96 ft, below flood stage; 12,500 cubic feet per second Dec 13, 1991: 11.61 ft, action stage; 32,100 cubic feet per second Feb 20, 1992: 7.73 ft, below flood stage; 15,100 cubic feet per second Mar 14, 1992: 9.49 ft, below flood stage; 23,500 cubic feet per second Apr 25, 1992: 9.25 ft, below flood stage; 22,400 cubic feet per second Jul 14, 1992: 7.88 ft, below flood stage; 15,800 cubic feet per second Nov 25, 1992: 7.12 ft, below flood stage; 13,100 cubic feet per second Mar 10, 1993: 7.86 ft, below flood stage; 16,400 cubic feet per second Apr 4, 1993: 19.27 ft, major flooding; 71,000 cubic feet per second Apr 25, 1993: 13.79 ft, minor flooding; 43,700 cubic feet per second May 3, 1993: 9.58 ft, below flood stage; 24,100 cubic feet per second May 7, 1993: 11.46 ft, action stage; 33,200 cubic feet per second Jun 13, 1993: 12.36 ft, minor flooding; 32,400 cubic feet per second Jun 24, 1993: 14.05 ft, moderate flooding; 41,200 cubic feet per second Jul 5, 1993: 14.49 ft, moderate flooding; 43,500 cubic feet per second Jul 12, 1993: 18.05 ft, major flooding; 63,900 cubic feet per second Jul 18, 1993: 17.85 ft, major flooding; 62,700 cubic feet per second Aug 1, 1993: 12.15 ft, minor flooding; 31,300 cubic feet per second Aug 10, 1993: 12.77 ft, minor flooding; 34,500 cubic feet per second Aug 21, 1993: 16.73 ft, major flooding; 55,900 cubic feet per second Mar 8, 1994: 10.43 ft, action stage; 22,500 cubic feet per second Jun 27, 1994: 8.11 ft, below flood stage; 14,000 cubic feet per second Jul 24, 1994: 7.59 ft, below flood stage; 12,400 cubic feet per second Apr 27, 1995: 8.30 ft, below flood stage; 16,400 cubic feet per second May 10, 1995: 7.66 ft, below flood stage; 13,900 cubic feet per second Jun 3, 1995: 7.48 ft, below flood stage; 13,200 cubic feet per second Jun 6, 1996: 7.61 ft, below flood stage; 13,700 cubic feet per second Feb 22, 1997: 7.69 ft, below flood stage; 12,800 cubic feet per second Mar 16, 1997: 10.81 ft, action stage; 24,100 cubic feet per second Mar 27, 1997: 9.63 ft, below flood stage; 19,100 cubic feet per second Apr 3, 1998: 9.94 ft, below flood stage; 22,800 cubic feet per second Jun 14, 1998: 9.40 ft, below flood stage; 20,800 cubic feet per second Jun 26, 1998: 11.31 ft, action stage; 28,400 cubic feet per second Apr 15, 1999: 8.05 ft, below flood stage; 16,700 cubic feet per second Apr 28, 1999: 8.73 ft, below flood stage; 18,800 cubic feet per second May 20, 1999: 16.24 ft, major flooding; 51,600 cubic feet per second Jun 14, 1999: 11.39 ft, action stage; 28,600 cubic feet per second Jul 5, 1999: 10.73 ft, action stage; 25,800 cubic feet per second Jul 25, 1999: 18.31 ft, major flooding; 62,300 cubic feet per second Jun 7, 2000: 8.16 ft, below flood stage; 17,000 cubic feet per second Jun 19, 2000: 10.32 ft, action stage; 24,200 cubic feet per second Jul 15, 2000: 11.18 ft, action stage; 27,700 cubic feet per second Mar 25, 2001: 8.19 ft, below flood stage; 17,300 cubic feet per second Apr 12, 2001: 13.30 ft, minor flooding; 38,600 cubic feet per second Apr 17, 2001: 14.04 ft, moderate flooding; 42,000 cubic feet per second May 8, 2001: 11.08 ft, action stage; 28,900 cubic feet per second May 31, 2001: 7.76 ft, below flood stage; 15,700 cubic feet per second Jun 6, 2001: 7.75 ft, below flood stage; 15,700 cubic feet per second Jun 20, 2001: 8.44 ft, below flood stage; 18,200 cubic feet per second Jun 5, 2002: 7.02 ft, below flood stage; 13,000 cubic feet per second May 16, 2003: 8.82 ft, below flood stage; 19,700 cubic feet per second May 20, 2003: 7.21 ft, below flood stage; 13,700 cubic feet per second May 27, 2004: 18.30 ft, major flooding; 62,500 cubic feet per second Jun 15, 2004: 7.50 ft, below flood stage; 14,700 cubic feet per second Jul 11, 2004: 9.27 ft, below flood stage; 21,500 cubic feet per second Sep 22, 2004: 10.23 ft, action stage; 25,300 cubic feet per second Feb 17, 2005: 8.02 ft, below flood stage; 16,700 cubic feet per second Apr 25, 2005: 6.82 ft, below flood stage; 12,300 cubic feet per second May 18, 2005: 7.42 ft, below flood stage; 14,400 cubic feet per second Jul 3, 2005: 10.43 ft, action stage; 26,200 cubic feet per second Apr 8, 2006: 8.10 ft, below flood stage; 17,000 cubic feet per second Aug 27, 2007: 11.06 ft, action stage; 28,800 cubic feet per second Mar 17, 2008: 14.12 ft, moderate flooding Jun 13, 2008: 31.12 ft, major flooding; 140,000 cubic feet per second Aug 28, 2009: 12.17 ft, minor flooding; 33,900 cubic feet per second Mar 17, 2010: 15.06 ft, moderate flooding; 50,300 cubic feet per second Mar 28, 2011: 11.46 ft, action stage; 31,700 cubic feet per second May 25, 2013: 13.82 ft, minor flooding; 41,178 cubic feet per second Jun 2, 2013: 18.23 ft, major flooding; 63,700 cubic feet per second Jun 28, 2013: 15.00 ft, moderate flooding; 46,835 cubic feet per second Jun 24, 2014: 16.77 ft, major flooding; 56,200 cubic feet per second Jun 28, 2015: 10.30 ft, action stage; 26,700 cubic feet per second Sep 27, 2016: 21.97 ft, major flooding; 81,600 cubic feet per second Oct 1, 2016: 13.98 ft, minor flooding; 42,100 cubic feet per second Feb 2, 2017: 10.09 ft, action stage; 25,700 cubic feet per second Sep 26, 2018: 17.94 ft, major flooding; 61,900 cubic feet per second Mar 19, 2019: 18.32 ft, major flooding; 61,800 cubic feet per second Jun 25, 2020: 15.71 ft, moderate flooding; 48,100 cubic feet per second Jun 29, 2024: 13.86 ft, minor flooding; 38,300 cubic feet per second Jul 15, 2026: 12.01 ft, minor flooding; 30,327 cubic feet per second Highest, 31.12 ft, Jun 13, 2008 1880 1920 1960 2000 Crests at or above flood stage, by decade Crests at or above flood stage per decade, Cedar River at Cedar Rapids 1850s: 1 1860s: 0 1870s: 0 1880s: 0 1890s: 0 1900s: 2 1910s: 3 1920s: 1 1930s: 2 1940s: 6 1950s: 7 1960s: 7 1970s: 3 1980s: 1 1990s: 15 15 2000s: 6 2010s: 9 2020s: 3 1850s 1870s 1890s 1910s 1930s 1950s 1970s 1990s 2010s These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable. June 13, 2008: 31.12 ft here, major flooding Cedar Falls IA · Jun 10, 2008 · 102.10 ft · Major · its highest Waterloo IA · Jun 11, 2008 · 27.01 ft · Major · its highest Charles City IA · Jun 9, 2008 · 25.33 ft · Major · its highest Vinton IA · Jun 12, 2008 · 24.70 ft · Major · its highest Conesville IA · Jun 15, 2008 · 23.40 ft · Major · its highest Palo IA · Jun 13, 2008 · 23.22 ft · Major · its highest Austin MN · Jun 12, 2008 · 22.40 ft · Major Janesville IA · Jun 10, 2008 · 19.45 ft · Major · its highest Waverly IA · Jun 10, 2008 · 19.33 ft · Major · its highest Lansing MN · Jun 12, 2008 · 20.55 ft · Moderate September 27, 2016: 21.97 ft here, major flooding Cedar Falls IA · Sep 24, 2016 · 98.90 ft · Major Waterloo IA · Sep 24, 2016 · 22.95 ft · Major Vinton IA · Sep 26, 2016 · 21.80 ft · Major Charles City IA · Sep 24, 2016 · 21.00 ft · Major Palo IA · Sep 27, 2016 · 18.07 ft · Major Conesville IA · Sep 29, 2016 · 18.06 ft · Major Cedar Bluff IA · Sep 28, 2016 · 24.70 ft · Moderate · its highest Lansing MN · Sep 22, 2016 · 20.33 ft · Moderate Austin MN · Sep 23, 2016 · 19.80 ft · Moderate Janesville IA · Sep 24, 2016 · 16.27 ft · Moderate March 18, 1929: 20.00 ft here, major flooding Waterloo IA · Mar 16, 1929 · 20.00 ft · Moderate Janesville IA · Mar 16, 1929 · 16.00 ft · Moderate 07 Other gauges in Linn County Linn County: every hazard · River floods across the country · Iowa
NOAA National Water Prediction Service, gauge CIDI4, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.