Medicine Bow River above Seminoe Reservoir, near Hanna water level

Name: Medicine Bow River above Seminoe Reservoir, near Hanna water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Medicine Bow River, Wyoming, United States

Directions

Below flood stage

Water level

2.04ft Steady over the last 24 hours

Measured Oct 21, 2026, 02:45 AM MDT (1 hour ago)

Flow: 14.1 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Medicine Bow River above Seminoe Reservoir, near Hanna reads 2.04 ft, a normal level.

It is 3.96 ft below the flood stage of 6.00 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 1.97 ft and 2.06 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 6.74 ftMay 12, 1973

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 6.00 ft, still 3.96 ft away.

What happens at each level

10.00 ft: Water reaches the base of the gage house.
8.50 ft: River reaches the top of second bank at the gage.
8.00 ft: Major flood stage.
7.00 ft: Moderate Flood Stage. Lowland flooding intensifies.
6.74 ft: Record stage and flow of 6,010 cfs established on May 12 1973.
6.00 ft: Flood stage. Minor lowland flooding occurs.
5.00 ft: Bankfull stage.
2.04 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	6.74 ft	May 12, 1973
2	6.36 ft	June 16, 2010
3	6.25 ft	May 18, 1978
4	6.09 ft	April 26, 1983
5	5.23 ft	March 29, 1943
6	5.22 ft	June 12, 1986
7	5.15 ft	June 22, 2011
8	5.10 ft	February 12, 1962
9	5.01 ft	June 4, 1991
10	5.00 ft	June 21, 1995

Weather at the gauge

No rain in the last 3 days.

21 Wed 67° 38° – Wind 10 mph

22 Thu 68° 42° 0.01 in, 26% Wind 23 mph

23 Fri 62° 47° 0.01 in, 26% Wind 29 mph

24 Sat 59° 40° – Wind 26 mph

25 Sun 43° 36° 0.42 in Wind 18 mph

26 Mon 53° 35° – Wind 18 mph

27 Tue 56° 40° – Wind 28 mph

Forecast: Open-Meteo

Sunrise 07:26 AM Sunset 06:17 PM Daylight 10 hr, 51 min Waxing gibbous 76%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Lake Medicine Bow River at Boles Spring, near Medicine BowRiver gauge, Lake Medicine Bow River	1.07 ft	Below flood stage	−0.01 ft	16 mi
Seminoe ReservoirReservoir	6,292.61 ft	Very low		23 mi
L Medicine Bow R above Sand Cr, near Shirley BasinRiver gauge, L Medicine Bow R	1.6 cfs	Low	−0.1 cfs	29 mi
North Platte River above Seminoe Reservoir, near SinclairRiver gauge, North Platte River	3.12 ft	Below flood stage	−0.04 ft	30 mi
Medicine Bow R above E Fk Med Bow near Elk MountainRiver gauge, Medicine Bow R	3.58 ft	Below flood stage	−0.01 ft	32 mi
Rock Creek above King Canyon Canal, near ArlingtonRiver gauge, Rock Creek	1.14 ft	Below flood stage	+0.01 ft	33 mi
Pathfinder ReservoirReservoir	5,783.91 ft	Very low		36 mi
Alcova ReservoirReservoir	5,492.95 ft	High		39 mi

Questions and answers

What is flood stage for the Medicine Bow River above Seminoe Reservoir, near Hanna?

The official flood stage is 6.00 ft. The level is currently 3.96 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Medicine Bow River above Seminoe Reservoir, near Hanna today?

On Oct 21, 2026, 02:45 AM MDT, the water level was 2.04 ft. Steady over the last 24 hours.

Is Medicine Bow River above Seminoe Reservoir, near Hanna rising or falling?

Steady over the last 24 hours. Up 0.07 ft over the last 7 days.

Is the level of Medicine Bow River above Seminoe Reservoir, near Hanna normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Medicine Bow River above Seminoe Reservoir, near Hanna?

The highest level on record is 6.74 ft on May 12, 1973.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:06635000 (Agency page)
Coordinates: 42.00967, -106.51314 (WGS84)
Vertical datum: NGVD29
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	2.04 ft	2026-10-21 08:45	Provisional
Flow	14.1 cfs	2026-10-21 08:45	Provisional

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How to cite

U.S. Geological Survey: Medicine Bow River above Seminoe Reservoir, near Hanna (usgs:06635000). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/wyoming/medicine-bow-river-above-seminoe-reservoir-near-hanna

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer