Mississippi River at Grafton

The past week

What floods at each level

• 37 ft

  Near this height, floodwater begins to impact Grafton City Hall.

• 33.5 ft

  Nutwood Levee is Overtopped.

• 32.1 ft

  Methodist Church at Main St. and Vine St. begins flooding.

• 31 ft

  The hangars at the south end of Smartt field begin to flood.

• 30.9 ft

  Missouri Route B from Washeon Road to Seeburger Road is closed near this height.

• 30.1 ft

  Water reaches the intersection of Main Street and Maple Street.

• 29.1 ft

  Water reaches Main at Church Street.

• 29 ft

  Route 100 between Grafton and Alton at Clifton Terrace is flooded near this height.

• 28.8 ft

  Water begins entering the north hangars at Smartt Field.

• 28.5 ft

  Water begins entering the ramps on the north end of Smartt Field as the northwest and northeast corners are already flooded.

• 28.4 ft

  Water reaches Main Street at the Vistors Center

• 28.3 ft

  Intersection at Main (Route 100) & Route 3 is closed. Also at this level the Northeast Corner of Smartt Airfield begins flooding. Grafton Hills Drive is closed to all but local and select (UPS, FedEx, and Amazon) delivery traffic.

• 28 ft

  Agricultural levee north of Highway 370 is overtopped, flooding a St. Peters recreational area around a lake near 370 and Truman.

• 27.6 ft

  Beasley Fish Market at Main Street and Overmeyer begins flooding.

• 27.5 ft

  The intersection at Main Street and Dagget Hollow begins flooding.

• 26.5 ft

  At this height the entrance to the Illinois Youth Center-Pere Marquette becomes flooded, forcing the evacuation of those staying there.

• 26.4 ft

  Residential flooding in Grafton occurs.

• 26 ft

  Water distribution system begins to flood so emergency measures begin.

• 25.6 ft

  Water surrounds base of Aerie's Resort at Main Street (Hwy 100) near Market.

• 25.5 ft

  Brussels Ferry closes near this height. O'Jan's Fish Stand in Grafton closes near this height.

• 25.2 ft

  The intersection at Main Street and Canal Street begins flooding.

• 25 ft

  Ball field south of Main Street and Hawg Pit BBQ begin flooding.

• 24.9 ft

  Water reaches the intersection of Main St. and Edwards St.

• 24.7 ft

  City of Grafton begins to detour traffic along Route 100 (Main Street) at Evans Street. Also at this level the Catholic Church parking lot at Main & Evans begins flooding. This represents the lowest point on Main Street in Grafton.

• 24 ft

  Roads within Chautauqua and Elsah begin flooding near this height.

Highest crests on record

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