Oldman River near the Mouth water level

Name: Oldman River near the Mouth water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

River gauge, Oldman River, Alberta, Canada

Directions

Normal for mid-October

Water level

2.44m Steady over the last 24 hours

Measured Oct 18, 2026, 02:35 PM MDT (52 min ago)

Flow: 35.0 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Water levels are unremarkable at Oldman River near the Mouth, where the gauge shows 2.44 m.

That puts it 0.06 m above the median of 2.38 m for mid-October, based on 15 years of readings. A year ago it stood at 2.28 m (+0.16 m).

The level has held steady over the past 24 hours. The 30-day range is 2.39 m – 2.73 m.

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

Compared with 15 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 2.38 m0.06 m above the median for this date
Normal for this date: 2.27 m – 2.76 m8 years in 10 fall in this range (15 years of records)
Same day last year: 2.28 m+0.16 m
Lowest and highest in 30 days: 2.39 m – 2.73 m
Lowest and highest in 12 months: 2.27 m – 3.41 m

Freshet, ice and paddling

Open-water season is the time for canoe trips and fishing, though rapids change character with every few centimetres of water.

Flood advisories come from the provincial river forecast centre.

About the Oldman River

The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, and on to Grassy Lake, where it joins the Bow River to form the South Saskatchewan River, which eventually drains into the Hudson Bay.

Weather at the gauge

No rain in the last 3 days.

18 Sun 15° -1° – Wind 13 km/h

19 Mon 16° 2° – Wind 14 km/h

20 Tue 13° 4° – Wind 12 km/h

21 Wed 22° 6° – Wind 31 km/h

22 Thu 23° 10° – Wind 19 km/h

23 Fri 17° 3° 0.4 mm, 42% Wind 39 km/h

24 Sat 6° 2° – Wind 39 km/h

Forecast: Open-Meteo

Sunrise 07:54 AM Sunset 06:32 PM Daylight 10 hr, 37 min First quarter 53%

Map

Other gauges on the Oldman River

Gauge	Level	Compared with normal	24 hours	Distance
Oldman River near LethbridgeRiver gauge, Oldman River	0.38 m	Normal	−0.05 m	80 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Bow River near the MouthRiver gauge, Bow River	5.48 m	Normal	−0.03 m	21 km
Expanse Coulee near the MouthRiver gauge, Expanse Coulee	0.71 m	Low	−0.01 m	22 km
Twelve Mile Creek near CecilRiver gauge, Twelve Mile Creek	28.50 m	High	+0.03 m	27 km
Bow River Development Drain D near VauxhallRiver gauge, Bow River Development Drain D	0.74 m	Very high	+0.12 m	35 km
New West Coulee near the MouthRiver gauge, New West Coulee	0.21 m	Normal	−0.04 m	40 km
Bountiful Coulee Inflow near CranfordRiver gauge, Bountiful Coulee Inflow	1.90 m	Very high	±0	40 km
Little Bow River near the MouthRiver gauge, Little Bow River	0.50 m	High	−0.02 m	51 km
Lomond Lateral near HeadgateRiver gauge, Lomond Lateral	0.00 m	Very low	−0.06 m	70 km

Questions and answers

How does the Oldman River near the Mouth compare with last year?

It is 0.16 m higher than on the same day last year, when the reading was 2.28 m.

What is a normal level for the Oldman River near the Mouth in mid-October?

The median for mid-October is 2.38 m. In 8 years out of 10 the reading falls between 2.27 m and 2.76 m, based on 15 years of records.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 2.44 m on the gauge does not mean the water is that deep.

What is the water level of Oldman River near the Mouth today?

On Oct 18, 2026, 02:35 PM MDT, the water level was 2.44 m. Steady over the last 24 hours.

Is Oldman River near the Mouth rising or falling?

Steady over the last 24 hours. Down 0.03 m over the last 7 days.

Is the level of Oldman River near the Mouth normal?

Normal for mid-October. Compared with 15 years of daily readings for this time of year.

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:05AG006 (Agency page)
Coordinates: 49.91889, -111.80000 (WGS84)
Vertical datum: station datum (assumed datum)
Update interval: every hour
Licence: Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	2.44 m	2026-10-18 20:35	Provisional
Flow	35.0 m³/s	2026-10-18 20:35	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Oldman River near the Mouth (eccc:05AG006). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/canada/alberta/oldman-river-near-the-mouth

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