Rivers in Wyoming
Laramie River near Fort Laramie
Below flood stage
2.36ftStage
Observed Thu, Sep 24, 2:00 PM MDT
- Flood stage
- 7.00 ft
- Record crest
- 9.40 ft1973
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 9.00 ft |
| Moderate flood | 8.00 ft |
| Minor flood | 7.00 ft |
| Action | 6.00 ft |
- 9.40 ftRecord stage and flow --6,260 cfs, May 10 1973.
- 9.00 ftMAJOR FLOODING AT FORT LARAMIE NATIONAL HISTORIC SITE. RIVER OVERFLOWS RIGHT BANK. ONLY MINOR FLOODING AT THE TOWN OF FORT LARAMIE.
- 8.00 ftMODERATE FLOOD. WATER REACHES BASE OF BRIDGE OF WY HIGHWAY 160 IMMEDIATELY WEST OF FORT LARAMIE NATIONAL HISTORIC SITE PROPERTY (ABOUT 1.5 MILE UPSTREAM FROM GAGE).
- 7.00 ftFLOOD STAGE. LEFT BANK OVERFLOWS WITH MINOR FLOODING OF HIGHWAY 160. ROAD REMAINS OPEN. GRAYROCKS ROAD JUST SOUTH OF FORT LARAMIE NATIONAL HISTORIC SITE IS CLOSED DUE TO HIGH WATER. RESERVOIR RELEASES FROM GRAYROCKS RESERVOIR DETERIMINE THE MAGNITUDE OF FLOODING.
- 6.00 ftACTION STAGE. BANKFULL STAGE. RIVER MAY OVERFLOW LOW LYING AREAS ALONG LEFT BANK. WATER BEGINS TO ENCROACH ON GRAYROCKS ROAD JUST SOUTH OF THE FORT LARAMIE NATIONAL HISTORIC SITE.
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
52 crests on NOAA’s list since 1970.
| # | Date | Stage |
|---|---|---|
| 1 | May 10, 1973 | 9.40 ft |
| 2 | June 16, 2010 | 9.04 ft |
| 3 | May 26, 2015 | 8.67 ft |
| 4 | June 14, 1970 | 8.66 ft |
| 5 | April 8, 1975 | 8.62 ft |
| 6 | May 13, 2016 | 8.08 ft |
| 7 | May 6, 1971 | 8.04 ft |
| 8 | July 3, 1983 | 7.93 ft |
| 9 | August 21, 1993 | 7.73 ft |
| 10 | June 11, 1995 | 7.54 ft |
| 11 | May 16, 1984 | 7.48 ft |
| 12 | May 13, 2011 | 6.88 ft |
| 13 | January 31, 1980 | 6.37 ft |
| 14 | May 15, 1980 | 6.18 ft |
| 15 | August 3, 1976 | 6.17 ft |
| 16 | May 20, 1978 | 5.49 ft |
| 17 | May 22, 2000 | 5.13 ft |
| 18 | May 4, 1999 | 5.02 ft |
| 19 | June 21, 2014 | 4.96 ft |
| 20 | August 26, 2009 | 4.80 ft |
| 21 | May 31, 2019 | 4.72 ft |
| 22 | February 18, 2020 | 4.70 ft |
| 23 | March 23, 2017 | 4.50 ft |
| 24 | December 6, 1981 | 4.32 ft |
| 25 | April 23, 1982 | 4.24 ft |
Most recent crests
- May 18, 2024: 3.90 ft
- July 5, 2023: 3.70 ft
- December 30, 2021: 2.85 ft
- May 24, 2021: 3.42 ft
- February 18, 2020: 4.70 ft
- May 31, 2019: 4.72 ft
- April 11, 2018: 4.06 ft
- March 23, 2017: 4.50 ft
- May 13, 2016: 8.08 ft
- May 26, 2015: 8.67 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.
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.