Highest listed crest 28.03 ft June 23, 1974; 41,000 cubic feet per second
Flood stage 15.0 ft Major flooding from 24.0 ft
Crests at major 9 30th of 177 gauges in Illinois
Most recent flood crest August 16, 2026 19.15 ft, minor flooding Listed crests at the Spoon River (W-IL) at London Mills, 1943 to 2026 5 10 15 20 25 30 ft Flood stage 15.0 ft Major 24.0 ft Feb 4, 1943: 16.90 ft, minor flooding May 21, 1943: 16.82 ft, minor flooding; 6,540 cubic feet per second Jul 5, 1943: 16.00 ft, minor flooding; 5,480 cubic feet per second Mar 15, 1944: 19.56 ft, minor flooding; 11,600 cubic feet per second Apr 23, 1944: 19.00 ft, minor flooding; 10,100 cubic feet per second May 3, 1944: 16.20 ft, minor flooding; 5,630 cubic feet per second May 8, 1945: 16.50 ft, minor flooding; 5,900 cubic feet per second May 17, 1945: 19.50 ft, minor flooding; 11,500 cubic feet per second Jun 16, 1945: 20.92 ft, minor flooding; 16,200 cubic feet per second Jan 7, 1946: 20.18 ft, minor flooding; 14,100 cubic feet per second Jun 13, 1946: 17.14 ft, minor flooding; 6,940 cubic feet per second Jun 19, 1946: 16.50 ft, minor flooding; 5,900 cubic feet per second Apr 6, 1947: 17.71 ft, minor flooding; 7,850 cubic feet per second Jun 7, 1947: 17.06 ft, minor flooding; 6,940 cubic feet per second Jun 18, 1947: 15.22 ft, minor flooding Jul 1, 1947: 16.52 ft, minor flooding; 6,110 cubic feet per second Feb 8, 1948: 17.81 ft, minor flooding; 8,050 cubic feet per second Mar 20, 1948: 22.48 ft, moderate flooding; 23,000 cubic feet per second Jul 26, 1948: 17.25 ft, minor flooding; 7,550 cubic feet per second Feb 16, 1949: 18.70 ft, minor flooding; 9,500 cubic feet per second Feb 21, 1949: 18.91 ft, minor flooding; 9,900 cubic feet per second Jan 24, 1950: 15.76 ft, minor flooding; 5,940 cubic feet per second Mar 1, 1950: 19.50 ft, minor flooding; 6,590 cubic feet per second Apr 25, 1950: 21.75 ft, moderate flooding; 20,000 cubic feet per second Jun 19, 1950: 20.68 ft, minor flooding; 17,400 cubic feet per second Jul 18, 1950: 21.07 ft, moderate flooding; 19,400 cubic feet per second Feb 21, 1951: 19.93 ft, minor flooding; 9,300 cubic feet per second May 11, 1951: 15.30 ft, minor flooding; 5,540 cubic feet per second Jul 12, 1951: 16.56 ft, minor flooding; 6,710 cubic feet per second Jul 22, 1951: 23.73 ft, moderate flooding; 17,500 cubic feet per second Jun 14, 1952: 15.62 ft, minor flooding; 5,170 cubic feet per second Jun 22, 1952: 17.04 ft, minor flooding; 5,900 cubic feet per second Jul 6, 1953: 15.28 ft, minor flooding; 4,950 cubic feet per second Mar 26, 1954: 18.65 ft, minor flooding; 7,900 cubic feet per second Jun 2, 1954: 19.71 ft, minor flooding; 9,000 cubic feet per second Jan 6, 1955: 18.86 ft, minor flooding; 8,500 cubic feet per second Feb 20, 1955: 20.33 ft, minor flooding; 9,700 cubic feet per second Feb 25, 1956: 15.58 ft, minor flooding; 5,240 cubic feet per second Jul 5, 1956: 16.13 ft, minor flooding; 5,540 cubic feet per second Jul 9, 1956: 18.68 ft, minor flooding; 9,500 cubic feet per second Jan 22, 1957: 16.24 ft, minor flooding Jun 14, 1957: 15.30 ft, minor flooding; 4,950 cubic feet per second Jun 13, 1958: 19.35 ft, minor flooding; 8,600 cubic feet per second Jul 3, 1958: 17.81 ft, minor flooding; 7,780 cubic feet per second Feb 11, 1959: 18.65 ft, minor flooding Oct 7, 1959: 17.20 ft, minor flooding; 6,390 cubic feet per second Mar 31, 1960: 21.42 ft, moderate flooding; 11,500 cubic feet per second Apr 17, 1960: 17.94 ft, minor flooding; 7,320 cubic feet per second Sep 14, 1961: 16.94 ft, minor flooding; 6,040 cubic feet per second Sep 25, 1961: 21.70 ft, moderate flooding; 12,900 cubic feet per second Mar 13, 1962: 18.90 ft, minor flooding; 8,100 cubic feet per second Mar 22, 1962: 18.73 ft, minor flooding; 7,900 cubic feet per second Jun 21, 1964: 21.17 ft, moderate flooding; 11,200 cubic feet per second Jan 24, 1965: 20.57 ft, minor flooding; 10,200 cubic feet per second Mar 18, 1965: 18.87 ft, minor flooding; 7,750 cubic feet per second Apr 8, 1965: 18.24 ft, minor flooding; 6,790 cubic feet per second Apr 25, 1965: 18.72 ft, minor flooding; 7,480 cubic feet per second Aug 31, 1965: 18.42 ft, minor flooding; 7,030 cubic feet per second Sep 22, 1965: 16.95 ft, minor flooding; 5,540 cubic feet per second Jan 13, 1966: 16.52 ft, minor flooding; 5,230 cubic feet per second Feb 10, 1966: 18.82 ft, minor flooding; 6,500 cubic feet per second May 14, 1966: 17.97 ft, minor flooding; 6,470 cubic feet per second Apr 2, 1967: 15.80 ft, minor flooding; 4,730 cubic feet per second Apr 30, 1967: 17.42 ft, minor flooding; 5,920 cubic feet per second Jul 25, 1967: 18.77 ft, minor flooding; 7,570 cubic feet per second Jun 26, 1968: 15.95 ft, minor flooding; 4,840 cubic feet per second Jan 26, 1969: 19.50 ft, minor flooding; 9,150 cubic feet per second Apr 20, 1970: 17.76 ft, minor flooding; 6,180 cubic feet per second May 16, 1970: 25.01 ft, major flooding; 22,400 cubic feet per second Jun 2, 1970: 22.15 ft, moderate flooding; 14,800 cubic feet per second Jun 15, 1970: 18.69 ft, minor flooding; 7,170 cubic feet per second Sep 15, 1970: 17.99 ft, minor flooding; 6,390 cubic feet per second Sep 24, 1970: 21.60 ft, moderate flooding; 12,500 cubic feet per second Jun 15, 1972: 14.97 ft, action stage; 4,520 cubic feet per second Jul 19, 1972: 15.23 ft, minor flooding; 4,680 cubic feet per second Dec 30, 1972: 18.12 ft, minor flooding; 6,770 cubic feet per second Jan 4, 1973: 16.79 ft, minor flooding; 5,630 cubic feet per second Mar 7, 1973: 18.37 ft, minor flooding; 7,020 cubic feet per second Mar 11, 1973: 16.17 ft, minor flooding; 5,240 cubic feet per second Mar 30, 1973: 17.30 ft, minor flooding; 6,020 cubic feet per second May 8, 1973: 19.21 ft, minor flooding; 7,970 cubic feet per second Jun 20, 1973: 17.16 ft, minor flooding; 5,910 cubic feet per second Jun 27, 1973: 15.05 ft, minor flooding; 4,570 cubic feet per second Oct 4, 1973: 16.19 ft, minor flooding; 5,250 cubic feet per second Jan 23, 1974: 20.34 ft, minor flooding; 9,510 cubic feet per second Jan 28, 1974: 21.21 ft, moderate flooding; 11,300 cubic feet per second Mar 12, 1974: 16.85 ft, minor flooding; 5,680 cubic feet per second Apr 14, 1974: 17.67 ft, minor flooding; 6,340 cubic feet per second May 20, 1974: 17.40 ft, minor flooding; 6,100 cubic feet per second Jun 9, 1974: 16.84 ft, minor flooding; 5,670 cubic feet per second Jun 15, 1974: 15.78 ft, minor flooding; 5,010 cubic feet per second Jun 23, 1974: 28.03 ft, major flooding; 41,000 cubic feet per second Mar 8, 1975: 15.00 ft, minor flooding; 4,530 cubic feet per second Apr 19, 1975: 16.58 ft, minor flooding; 5,550 cubic feet per second Mar 5, 1976: 18.86 ft, minor flooding; 7,460 cubic feet per second Apr 26, 1976: 21.99 ft, moderate flooding; 11,600 cubic feet per second Aug 9, 1977: 16.50 ft, minor flooding; 5,490 cubic feet per second Sep 19, 1977: 15.68 ft, minor flooding; 4,940 cubic feet per second Sep 24, 1977: 16.19 ft, minor flooding; 5,270 cubic feet per second Nov 3, 1977: 21.06 ft, moderate flooding; 10,000 cubic feet per second Apr 11, 1978: 18.22 ft, minor flooding; 6,810 cubic feet per second May 8, 1978: 16.93 ft, minor flooding; 5,800 cubic feet per second May 14, 1978: 20.45 ft, minor flooding; 9,230 cubic feet per second Jul 10, 1978: 15.32 ft, minor flooding; 4,720 cubic feet per second Mar 21, 1979: 20.30 ft, minor flooding; 9,060 cubic feet per second Mar 30, 1979: 21.11 ft, moderate flooding; 10,100 cubic feet per second Apr 13, 1979: 19.70 ft, minor flooding; 8,360 cubic feet per second Apr 27, 1979: 18.82 ft, minor flooding; 7,410 cubic feet per second May 3, 1979: 15.44 ft, minor flooding; 4,790 cubic feet per second Jun 3, 1980: 24.14 ft, major flooding; 17,200 cubic feet per second Jun 15, 1980: 15.47 ft, minor flooding; 4,810 cubic feet per second Sep 2, 1980: 17.50 ft, minor flooding; 6,220 cubic feet per second Apr 14, 1981: 18.09 ft, minor flooding; 6,690 cubic feet per second Apr 29, 1981: 15.37 ft, minor flooding; 4,750 cubic feet per second May 15, 1981: 16.40 ft, minor flooding; 5,420 cubic feet per second Jun 14, 1981: 17.29 ft, minor flooding; 6,060 cubic feet per second Jun 25, 1981: 18.68 ft, minor flooding; 7,270 cubic feet per second Jul 4, 1981: 16.63 ft, minor flooding; 5,580 cubic feet per second Jul 19, 1981: 17.71 ft, minor flooding; 5,360 cubic feet per second Aug 6, 1981: 17.24 ft, minor flooding; 5,070 cubic feet per second Aug 15, 1981: 18.79 ft, minor flooding; 6,060 cubic feet per second Mar 13, 1982: 19.43 ft, minor flooding; 6,800 cubic feet per second Mar 20, 1982: 19.59 ft, minor flooding; 6,890 cubic feet per second Apr 17, 1982: 20.46 ft, minor flooding; 7,520 cubic feet per second Jul 10, 1982: 22.17 ft, moderate flooding; 9,060 cubic feet per second Jul 19, 1982: 22.87 ft, moderate flooding; 9,840 cubic feet per second Dec 3, 1982: 23.39 ft, moderate flooding; 14,200 cubic feet per second Dec 26, 1982: 19.52 ft, minor flooding; 7,220 cubic feet per second Apr 3, 1983: 23.68 ft, moderate flooding; 15,300 cubic feet per second Apr 22, 1984: 18.40 ft, minor flooding; 6,650 cubic feet per second Jun 9, 1984: 17.57 ft, minor flooding; 6,090 cubic feet per second Feb 24, 1985: 22.45 ft, moderate flooding; 18,900 cubic feet per second Mar 4, 1985: 25.15 ft, major flooding; 30,900 cubic feet per second Feb 5, 1986: 14.92 ft, action stage; 6,070 cubic feet per second Feb 20, 1986: 17.07 ft, minor flooding; 8,470 cubic feet per second Oct 4, 1986: 24.36 ft, major flooding; 26,400 cubic feet per second Jan 20, 1988: 17.05 ft, minor flooding; 8,450 cubic feet per second Sep 7, 1989: 11.85 ft, below flood stage; 4,210 cubic feet per second Mar 13, 1990: 16.67 ft, minor flooding; 7,830 cubic feet per second May 10, 1990: 18.27 ft, minor flooding; 8,580 cubic feet per second May 26, 1990: 18.03 ft, minor flooding; 8,390 cubic feet per second Jun 22, 1990: 21.93 ft, moderate flooding; 11,100 cubic feet per second Jul 2, 1990: 19.55 ft, minor flooding; 9,080 cubic feet per second Feb 5, 1991: 14.90 ft, action stage; 5,630 cubic feet per second May 27, 1991: 17.90 ft, minor flooding; 7,770 cubic feet per second Jul 26, 1992: 13.69 ft, action stage; 4,870 cubic feet per second Dec 17, 1992: 18.30 ft, minor flooding; 8,080 cubic feet per second Mar 6, 1993: 19.51 ft, minor flooding; 9,050 cubic feet per second Mar 25, 1993: 19.14 ft, minor flooding; 8,750 cubic feet per second Apr 16, 1993: 19.91 ft, minor flooding; 9,380 cubic feet per second Apr 20, 1993: 15.00 ft, minor flooding; 5,600 cubic feet per second Jul 25, 1993: 25.92 ft, major flooding; 22,600 cubic feet per second Aug 11, 1993: 18.34 ft, minor flooding; 8,110 cubic feet per second Aug 17, 1993: 17.82 ft, minor flooding Sep 15, 1993: 16.58 ft, minor flooding; 6,770 cubic feet per second Feb 21, 1994: 17.43 ft, minor flooding; 7,400 cubic feet per second Apr 12, 1995: 16.22 ft, minor flooding; 6,540 cubic feet per second May 14, 1995: 19.40 ft, minor flooding; 8,430 cubic feet per second May 25, 1995: 19.42 ft, minor flooding; 8,450 cubic feet per second May 29, 1995: 21.90 ft, moderate flooding; 11,500 cubic feet per second Jul 5, 1995: 15.33 ft, minor flooding; 5,860 cubic feet per second May 28, 1996: 24.21 ft, major flooding; 15,400 cubic feet per second Jun 2, 1996: 19.22 ft, minor flooding; 8,500 cubic feet per second Feb 22, 1997: 22.48 ft, moderate flooding; 11,900 cubic feet per second Feb 27, 1997: 17.75 ft, minor flooding; 7,420 cubic feet per second Feb 12, 1998: 15.01 ft, minor flooding; 5,560 cubic feet per second Mar 9, 1998: 15.27 ft, minor flooding; 5,730 cubic feet per second Mar 18, 1998: 19.29 ft, minor flooding; 8,560 cubic feet per second May 9, 1998: 16.08 ft, minor flooding Jun 16, 1998: 17.45 ft, minor flooding; 6,220 cubic feet per second Jan 24, 1999: 18.23 ft, minor flooding; 7,770 cubic feet per second May 15, 1999: 18.69 ft, minor flooding; 8,110 cubic feet per second Jun 25, 2000: 17.50 ft, minor flooding; 7,240 cubic feet per second Feb 10, 2001: 21.00 ft, moderate flooding; 10,100 cubic feet per second Feb 25, 2001: 18.93 ft, minor flooding; 8,280 cubic feet per second Jun 6, 2001: 17.25 ft, minor flooding; 6,740 cubic feet per second May 13, 2002: 23.29 ft, moderate flooding; 13,200 cubic feet per second Jun 14, 2002: 20.24 ft, minor flooding; 9,520 cubic feet per second May 11, 2003: 13.25 ft, action stage; 4,760 cubic feet per second May 31, 2004: 14.47 ft, action stage; 5,510 cubic feet per second Jan 14, 2005: 18.72 ft, minor flooding; 8,350 cubic feet per second Apr 7, 2006: 8.41 ft, below flood stage; 2,090 cubic feet per second Mar 2, 2007: 17.95 ft, minor flooding; 7,860 cubic feet per second Feb 18, 2008: 19.22 ft, minor flooding Mar 4, 2008: 15.31 ft, minor flooding; 6,060 cubic feet per second Sep 15, 2008: 17.24 ft, minor flooding; 7,360 cubic feet per second Dec 28, 2008: 19.62 ft, minor flooding; 9,060 cubic feet per second Feb 27, 2009: 16.78 ft, minor flooding; 7,050 cubic feet per second Mar 11, 2009: 23.02 ft, moderate flooding; 12,700 cubic feet per second Mar 30, 2009: 15.07 ft, minor flooding; 5,900 cubic feet per second Apr 20, 2009: 15.98 ft, minor flooding; 6,500 cubic feet per second May 1, 2009: 19.04 ft, minor flooding; 8,640 cubic feet per second May 16, 2009: 25.28 ft, major flooding; 20,000 cubic feet per second Jun 20, 2009: 17.15 ft, minor flooding; 7,300 cubic feet per second Dec 26, 2009: 19.09 ft, minor flooding; 8,670 cubic feet per second Jan 25, 2010: 19.56 ft, minor flooding; 9,020 cubic feet per second Mar 14, 2010: 18.04 ft, minor flooding; 7,920 cubic feet per second May 14, 2010: 22.12 ft, moderate flooding; 11,400 cubic feet per second Jun 6, 2010: 17.27 ft, minor flooding; 7,390 cubic feet per second Jun 15, 2010: 17.78 ft, minor flooding; 7,740 cubic feet per second Jun 23, 2010: 19.82 ft, minor flooding; 9,210 cubic feet per second Feb 18, 2011: 15.90 ft, minor flooding Apr 23, 2011: 17.12 ft, minor flooding; 7,260 cubic feet per second May 27, 2011: 19.56 ft, minor flooding; 8,940 cubic feet per second Dec 15, 2011: 13.43 ft, action stage; 4,940 cubic feet per second Mar 14, 2013: 17.91 ft, minor flooding; 9,240 cubic feet per second Apr 19, 2013: 26.18 ft, major flooding; 31,900 cubic feet per second May 4, 2013: 16.34 ft, minor flooding; 7,350 cubic feet per second May 30, 2013: 23.49 ft, moderate flooding; 21,700 cubic feet per second Jun 27, 2013: 16.06 ft, minor flooding; 7,040 cubic feet per second Feb 22, 2014: 22.98 ft, moderate flooding; 20,100 cubic feet per second Mar 13, 2014: 17.05 ft, minor flooding; 8,170 cubic feet per second Jul 1, 2014: 16.16 ft, minor flooding; 7,150 cubic feet per second Sep 11, 2014: 17.03 ft, minor flooding; 8,150 cubic feet per second Jun 12, 2015: 18.85 ft, minor flooding; 10,500 cubic feet per second Jun 16, 2015: 18.08 ft, minor flooding; 8,760 cubic feet per second Jun 25, 2015: 16.09 ft, minor flooding; 6,470 cubic feet per second Jul 12, 2015: 17.94 ft, minor flooding; 8,590 cubic feet per second Jul 17, 2015: 19.33 ft, minor flooding; 10,500 cubic feet per second Dec 29, 2015: 20.09 ft, minor flooding; 12,000 cubic feet per second Apr 30, 2017: 17.68 ft, minor flooding; 8,530 cubic feet per second May 21, 2017: 15.43 ft, minor flooding; 6,200 cubic feet per second Feb 21, 2018: 16.77 ft, minor flooding; 7,420 cubic feet per second Sep 8, 2018: 13.30 ft, action stage; 5,060 cubic feet per second Dec 3, 2018: 16.10 ft, minor flooding; 7,080 cubic feet per second Feb 6, 2019: 15.47 ft, minor flooding Feb 24, 2019: 17.17 ft, minor flooding; 7,390 cubic feet per second Mar 11, 2019: 19.19 ft, minor flooding; 10,100 cubic feet per second Mar 30, 2019: 13.48 ft, action stage; 4,710 cubic feet per second May 3, 2019: 21.11 ft, moderate flooding; 13,600 cubic feet per second May 23, 2019: 19.40 ft, minor flooding; 11,300 cubic feet per second May 30, 2019: 23.46 ft, moderate flooding; 21,600 cubic feet per second Jun 20, 2019: 14.08 ft, action stage; 5,570 cubic feet per second Oct 2, 2019: 17.81 ft, minor flooding; 9,110 cubic feet per second Apr 27, 2020: 13.14 ft, action stage; 4,970 cubic feet per second May 19, 2020: 18.25 ft, minor flooding; 6,270 cubic feet per second Mar 19, 2021: 13.70 ft, action stage; 5,320 cubic feet per second Apr 12, 2021: 18.43 ft, minor flooding; 9,920 cubic feet per second May 10, 2021: 15.84 ft, minor flooding; 6,800 cubic feet per second May 20, 2021: 19.73 ft, minor flooding; 11,800 cubic feet per second Jun 28, 2021: 14.20 ft, action stage; 5,650 cubic feet per second Jul 18, 2021: 14.59 ft, action stage; 5,900 cubic feet per second Oct 25, 2021: 16.92 ft, minor flooding; 7,380 cubic feet per second Feb 23, 2022: 15.59 ft, minor flooding; 4,310 cubic feet per second Apr 6, 2022: 15.05 ft, minor flooding; 6,240 cubic feet per second Apr 28, 2024: 14.99 ft, action stage; 5,330 cubic feet per second Apr 5, 2026: 13.26 ft, action stage; 5,050 cubic feet per second Apr 18, 2026: 14.57 ft, action stage; 5,890 cubic feet per second Jun 12, 2026: 16.55 ft, minor flooding; 6,490 cubic feet per second Jun 18, 2026: 15.62 ft, minor flooding; 6,050 cubic feet per second Jun 22, 2026: 17.27 ft, minor flooding; 7,550 cubic feet per second Aug 16, 2026: 19.15 ft, minor flooding; 10,900 cubic feet per second Highest, 28.03 ft, Jun 23, 1974 1960 1980 2000 2020 Crests at or above flood stage, by decade Crests at or above flood stage per decade, Spoon River (W-IL) at London Mills 1940s: 21 1950s: 25 1960s: 21 1970s: 41 41 1980s: 27 1990s: 32 2000s: 20 2010s: 35 2020s: 11 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 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 23, 1974: 28.03 ft here, major flooding Seville IL · Jun 24, 1974 · 31.82 ft · Major April 19, 2013: 26.18 ft here, major flooding Seville IL · Apr 20, 2013 · 35.80 ft · Major · its highest July 25, 1993: 25.92 ft here, major flooding Seville IL · Jul 26, 1993 · 33.10 ft · Major 07 Other gauges in Fulton County Fulton County: every hazard · River floods across the country · Illinois
NOAA National Water Prediction Service, gauge LNMI2, 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.