Cheyenne River near Wasta
Observed Tue, Sep 22, 3:30 PM MDT
- Flood stage
- 13.00 ft
- Record crest
- 18.00 ft1920
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 16.00 ft |
| Moderate flood | 15.00 ft |
| Minor flood | 13.00 ft |
| Action | 11.00 ft |
- 18.00 ftNear record flooding.
- 17.00 ftExtensive flooding along the Cheyenne River with inundation of structures and roads.
- 16.00 ftFlooding of agricultural land around Wasta. Some inundation of structures and roads are possible.
- 15.30 ftWater reaches the lower portion of the Jensen Road Bridge.
- 14.00 ftWater may cover the parking lot of the westbound I-90 rest area. Widespread flooding of agricultural land.
- 13.50 ftWater may begin to affect the railbed of the nearby railroad bridge.
- 13.00 ftWater may begin to cause flooding around the I-90 westbound rest area. Water may approach the picnic and parking areas.
- 11.00 ftThe lowest areas along the river begin to flood.
- 10.00 ftWater reaches the lower deck of the railroad bridge.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.
Crest history
100 crests on NOAA’s list since 1915.
| # | Date | Stage |
|---|---|---|
| 1 | May 15, 1920 | 18.00 ft |
| 2 | March 5, 1982 | 16.25 ft |
| 3 | June 13, 1915 | 14.50 ft |
| 4 | May 16, 2015 | 14.03 ft |
| 5 | March 18, 2019 | 13.97 ft |
| 6 | May 6, 1932 | 13.28 ft |
| 7 | May 27, 1996 | 12.85 ft |
| 8 | May 12, 1942 | 12.80 ft |
| 9 | May 25, 1965 | 12.78 ft |
| 10 | August 2, 2019 | 12.76 ft |
| 11 | June 17, 1962 | 12.61 ft |
| 12 | June 1, 1935 | 12.60 ft |
| 13 | May 25, 1957 | 12.42 ft |
| 14 | July 2, 1982 | 12.35 ft |
| 15 | June 22, 1947 | 12.25 ft |
| 16 | June 16, 1967 | 12.20 ft |
| 17 | May 22, 1978 | 12.12 ft |
| 18 | May 15, 1965 | 11.98 ft |
| 19 | May 28, 1991 | 11.89 ft |
| 20 | June 18, 1964 | 11.65 ft |
| 21 | December 24, 1955 | 11.55 ft |
| 22 | September 20, 1955 | 11.45 ft |
| 23 | June 10, 1986 | 10.92 ft |
| 24 | May 2, 1946 | 10.71 ft |
| 25 | April 22, 2000 | 10.65 ft |
Most recent crests
- October 13, 2023: 8.20 ft
- May 13, 2023: 7.01 ft
- October 13, 2021: 7.60 ft
- May 24, 2021: 4.87 ft
- March 1, 2020: 3.31 ft
- August 2, 2019: 12.76 ft
- March 18, 2019: 13.97 ft
- May 28, 2018: 7.21 ft
- April 10, 2017: 5.03 ft
- July 2, 2016: 7.12 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. River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast. Gauge reading may be affected by ice.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.