Rivers in Wyoming

Laramie River near Fort Laramie

Goshen County, WyomingNWS FLAW4USGS 06670500Cheyenne office

Below flood stage
2.36ftStage

Observed Thu, Sep 24, 2:00 PM MDT

Flood stage
7.00 ft
Record crest
9.40 ft1973

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood9.00 ft
Moderate flood8.00 ft
Minor flood7.00 ft
Action6.00 ft
  1. 9.40 ftRecord stage and flow --6,260 cfs, May 10 1973.
  2. 9.00 ftMAJOR FLOODING AT FORT LARAMIE NATIONAL HISTORIC SITE. RIVER OVERFLOWS RIGHT BANK. ONLY MINOR FLOODING AT THE TOWN OF FORT LARAMIE.
  3. 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).
  4. 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.
  5. 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

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 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.

#DateStage
1May 10, 19739.40 ft
2June 16, 20109.04 ft
3May 26, 20158.67 ft
4June 14, 19708.66 ft
5April 8, 19758.62 ft
6May 13, 20168.08 ft
7May 6, 19718.04 ft
8July 3, 19837.93 ft
9August 21, 19937.73 ft
10June 11, 19957.54 ft
11May 16, 19847.48 ft
12May 13, 20116.88 ft
13January 31, 19806.37 ft
14May 15, 19806.18 ft
15August 3, 19766.17 ft
16May 20, 19785.49 ft
17May 22, 20005.13 ft
18May 4, 19995.02 ft
19June 21, 20144.96 ft
20August 26, 20094.80 ft
21May 31, 20194.72 ft
22February 18, 20204.70 ft
23March 23, 20174.50 ft
24December 6, 19814.32 ft
25April 23, 19824.24 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.