James River near Yankton

The past week

What floods at each level

• 28 ft

  Water reaches the bottom of the bridge on 309th St.

• 27 ft

  Water reaches the bottom of the railroad bridge near 309th St.

• 25 ft

  Hwy 81 may be in danger of flooding. The bridge on 303rd St at the gauge will be overtopped

• 22 ft

  303rd St east of the gauge location begins to flood. Some levees protecting structures along the river may be in danger of being overtopped.

• 21 ft

  Water approaches Hwy 46 and may begin to overtop it.

• 18.5 ft

  SW Jim River Road near 305th Street begins flooding as does NE Jim River Rd near 300th St.

• 17 ft

  SW Jim River Road north of 303rd Street begins flooding.

• 16 ft

  SW Jim River Road near 301st St floods.

• 14 ft

  Significant agricultural flooding with the floodplain roughly a mile wide in some areas.

• 12 ft

  Agricultural flooding begins off the left bank near the gauge.

Highest crests on record

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