Rivers in Colorado

South Platte River near Kersey

Weld County, ColoradoNWS KERC2Boulder office

Below flood stage
1.63ftStage

Observed Tue, Sep 22, 9:30 AM MDT

Flood stage
10.00 ft
Record crest
15.09 ft2013

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood13.50 ft
Moderate flood11.50 ft
Minor flood10.00 ft
Action8.00 ft
  1. 15.00 ftStage and flow are approaching the maximum record flood occurring in 2013.
  2. 14.00 ftWidespread major flooding occurs as a wide expanse of the river spreads out laterally beyond the floodplain.
  3. 13.50 ftNumerous bridges crossing the South Platte River flood. There is extensive flooding of agricultural land and inundation of structures and roads along the river.
  4. 12.00 ftThe river floods La Salle and Evans.
  5. 11.50 ftSouthern sections of Hardin flood. There is moderate flooding of agricultural land along the river.
  6. 10.00 ftConsiderable lowland and meadow flooding occurs. This level represents a flood that has a 10-percent chance of being equaled or exceeded in any given year. For more information click <a href="inundation/faq_google.php">here</a>.
  7. 8.00 ftThe river is out of its banks and into fields and meadows.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 26, 2026.

Crest history

80 crests on NOAA’s list since 1936.

#DateStage
1September 14, 201315.09 ft
2May 8, 197311.73 ft
3May 11, 201511.54 ft
4May 1, 199911.50 ft
5May 31, 199511.00 ft
6June 18, 196510.75 ft
7May 8, 196910.70 ft
8June 14, 199710.40 ft
9June 14, 201010.39 ft
10May 2, 198010.31 ft
11May 10, 195710.26 ft
12June 14, 198310.00 ft
13June 2, 20149.94 ft
14September 4, 19389.73 ft
15June 15, 19499.66 ft
16June 24, 19479.62 ft
17July 15, 20119.58 ft
18April 25, 19429.50 ft
19June 5, 20059.49 ft
20June 13, 19709.46 ft
21May 19, 20179.37 ft
22June 10, 19799.34 ft
23June 11, 19868.93 ft
24June 25, 19828.93 ft
25June 3, 20098.88 ft

Most recent crests

  • May 31, 2021: 6.94 ft
  • June 10, 2020: 5.16 ft
  • June 23, 2019: 7.21 ft
  • May 4, 2018: 6.06 ft
  • May 19, 2017: 9.37 ft
  • June 14, 2016: 8.47 ft
  • May 11, 2015: 11.54 ft
  • June 2, 2014: 9.94 ft
  • September 14, 2013: 15.09 ft
  • July 9, 2012: 5.55 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice during winter months.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.