Bow River at The Mouth

Water level and flow at gauge 05BN012, Alberta. The flow is normal for October (105% of the median). In the last 24 hours it has been falling.

Water level
5.39m17.67ft
−6 cm−2.4 in in 24 h
Flow
66.1m³/s2,334cfs
-11% in 24 h
Status
Normal
↓ falling -11%

Latest reading Oct 25, 7 AM local standard time (2 hours ago) · data checked · we check every 30 minutes

Compared with a normal October

Normal for October (middle half of 62 years of monthly averages): 44.5 m³/s1,571 cfs – 84.4 m³/s2,980 cfs, median 63.3 m³/s2,234 cfs. Right now it is at 105% of the median.

Highest flow on record
3,450m³/s121,836cfs

June 23, 2013 · approved records 1966–2025 (HYDAT). Right now the flow is 2% of that record.

Compared with a year ago

7% higher than on October 25, 2025 (61.7 m³/s2,179 cfs)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

50 m³/s100 m³/s150 m³/s2,000 cfs3,000 cfs4,000 cfs5,000 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

100 m³/s200 m³/s300 m³/s400 m³/s5,000 cfs10,000 cfs15,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 61 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.

Weather near this gauge

Today

Mainly cloudy. Wind becoming east 20 km/h this afternoon. High plus 4. Wind chill minus 6 this morning. UV index 2 or low.

Tonight

Partly cloudy. Wind east 20 km/h becoming light this evening. Low minus 6. Wind chill minus 12 overnight.

Monday

A mix of sun and cloud. Wind becoming southeast 20 km/h near noon. High 8. Wind chill minus 12 in the morning. UV index 2 or low.

Monday night

Cloudy periods. Low zero.

Forecast for Bow Island (25 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Twelve Mile CreekCecil · 13 km28.37 m93.07 ftVery low
Oldman RiverThe Mouth · 21 km2.40 m7.87 ftNormal
New West CouleeThe Mouth · 41 km0.16 m0.53 ftVery low
Bountiful Coulee InflowCranford · 60 km1.89 m6.20 ftVery low
Seven Persons CreekMedicine Hat · 65 km0.45 m1.48 ftBelow normal
South Saskatchewan RiverMedicine Hat · 65 km2.19 m7.17 ftNormal

About this gauge

Station: 05BN012 · Bow River Near the Mouth

Location: 50.0473, -111.5909 · Alberta

Same river: Lake Louise, Banff, Calgary, Cochrane, Below Carseland Dam, Below Bassano Dam

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Questions

What is the water level of the Bow River at The Mouth today?

The latest reading (Oct 25, 7 AM, local standard time) is 5.39 m (17.67 ft) with a flow of 66.1 m³/s (2,334 cfs).

Is the Bow River at The Mouth high right now?

The flow is normal for October (105% of the median).

Is the Bow River rising or falling?

In the last 24 hours it has been falling.

What is the highest flow ever recorded on the Bow River at The Mouth?

3,450 m³/s (121,836 cfs) on June 23, 2013, the highest instantaneous flow in the approved records of the Water Survey of Canada (1966–2025). Events after 2025 are not yet in the approved archive.

How does the Bow River at The Mouth compare with a year ago?

The flow is 7% higher than on October 25, 2025 (61.7 m³/s (2,179 cfs), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 05BN012 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.