Medicine Bow River near Hanna, WY
River level and flood forecast · Carbon County
Normal1.9 ftas of Mon 1:30 PM
The river is 4.1 ft below flood stage (6 ft).
Flow: 7 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 8 ft |
| Moderate flood stage | 7 ft |
| Flood stage | 6 ft |
| Action stage | 5 ft |
| Record crest (May 12, 1973) | 6.74 ft |
What floods at each level
From the National Weather Service, highest first.
- 10 ftWater reaches the base of the gage house.
- 8.5 ftRiver reaches the top of second bank at the gage.
- 8 ftMajor flood stage.
- 7 ftModerate Flood Stage. Lowland flooding intensifies.
- 6.74 ftRecord stage and flow of 6,010 cfs established on May 12 1973.
- 6 ftFlood stage. Minor lowland flooding occurs.
- 5 ftBankfull stage.
Highest crests on record
- 6.74 ft — May 12, 1973
- 6.36 ft — June 16, 2010
- 6.25 ft — May 18, 1978
- 6.09 ft — April 26, 1983
- 5.23 ft — March 29, 1943
Recent crests: 2.81 ft (April 5, 2026) · 3.65 ft (July 30, 2025) · 4.31 ft (June 11, 2024) · 4.02 ft (June 10, 2023) · 3.54 ft (June 15, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HANW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.