Expanse Coulee at The Mouth
Water level and flow at gauge 05AG003, Alberta. The flow is well below normal for October (40% of the median).
Latest reading Oct 26, 7 AM local standard time (4 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 69 years of monthly averages): 0.46 m³/s16.4 cfs – 0.80 m³/s28.4 cfs, median 0.61 m³/s21.5 cfs. Right now it is at 40% of the median.
July 22, 2021 · approved records 2021–2021 (HYDAT). Right now the flow is 22% of that record.
29% higher than on October 26, 2025 (0.19 m³/s6.64 cfs)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 12 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 September 26, 2026.
Weather near this gauge
Environment Canada forecasts up to 10 mm of rain or precipitation in the coming days near Vauxhall. Rivers and streams often rise 12 to 48 hours after heavy rain.
A mix of sun and cloud. Fog patches dissipating this morning. Wind up to 15 km/h. High 7. Wind chill minus 13 this morning. UV index 2 or low.
Mainly cloudy. Periods of rain beginning overnight. Risk of freezing rain overnight. Wind up to 15 km/h. Low minus 3. Wind chill minus 8 overnight.
Periods of rain. Risk of freezing rain in the morning. Rainfall amount 5 to 10 mm. Wind becoming west 30 km/h gusting to 50 in the morning. High plus 5. Wind chill minus 7 in the morning. UV index 1 or low.
Cloudy. Low minus 4.
Forecast for Vauxhall (9 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Oldman RiverThe Mouth · 22 km | 2.40 m7.86 ft | Normal |
| New West CouleeThe Mouth · 25 km | 0.16 m0.52 ft | Very low |
| Bountiful Coulee InflowCranford · 28 km | 1.89 m6.20 ft | Very low |
| Little Bow RiverThe Mouth · 32 km | 0.39 m1.27 ft | Below normal |
| Twelve Mile CreekCecil · 35 km | 28.33 m92.94 ft | Very low |
| Bow RiverThe Mouth · 36 km | 5.48 m17.99 ft | Normal |
About this gauge
Station: 05AG003 · Expanse Coulee Near the Mouth
Location: 49.9887, -112.0822 · Alberta
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Expanse Coulee at The Mouth today?
The latest reading (Oct 26, 7 AM, local standard time) is 0.68 m (2.24 ft) with a flow of 0.24 m³/s (8.58 cfs).
Is the Expanse Coulee at The Mouth high right now?
The flow is well below normal for October (40% of the median).
Is the Expanse Coulee rising or falling?
There are not enough recent readings to tell.
What is the highest flow ever recorded on the Expanse Coulee at The Mouth?
1.11 m³/s (39.2 cfs) on July 22, 2021, the highest instantaneous flow in the approved records of the Water Survey of Canada (2021–2021). Events after 2021 are not yet in the approved archive.
How does the Expanse Coulee at The Mouth compare with a year ago?
The flow is 29% higher than on October 26, 2025 (0.19 m³/s (6.64 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 05AG003 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.