North Milk River at International Boundary

Water level and flow at gauge 11AA001, Alberta. The flow is below normal for October (37% of the median). In the last 24 hours it has been steady.

Water level
0.33m1.09ft
+0 cm+0.0 in in 24 h
Flow
0.26m³/s9.25cfs
+0% in 24 h
Status
Below normal
→ steady

Latest reading Oct 25, 6 AM local standard time (about an hour ago) · data checked · we check every 30 minutes

Compared with a normal October

Normal for October (middle half of 117 years of monthly averages): 0.37 m³/s12.9 cfs – 1.66 m³/s58.6 cfs, median 0.72 m³/s25.3 cfs. Right now it is at 37% of the median.

Highest flow on record
104m³/s3,673cfs

June 6, 1995 · approved records 1911–2025 (HYDAT). Right now the flow is 0% of that record.

Compared with a year ago

33% higher than on October 25, 2025 (0.20 m³/s6.96 cfs)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

0.5 m³/s1.0 m³/s1.5 m³/s20 cfs40 cfs60 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

5 m³/s10 m³/s15 m³/s20 m³/s200 cfs400 cfs600 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 10 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

Cloudy. 60 percent chance of flurries this morning and early this afternoon. Wind up to 15 km/h. High plus 3. Wind chill minus 7 this morning. UV index 1 or low.

Tonight

Mainly cloudy. Wind up to 15 km/h. Low minus 7. Wind chill minus 10 overnight.

Monday

A mix of sun and cloud. Becoming cloudy near noon. Wind up to 15 km/h. High 6. Wind chill minus 10 in the morning. UV index 2 or low.

Monday night

Increasing cloudiness. Low minus 2.

Forecast for Cardston (32 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Rolph CreekKimball · 17 km0.50 m1.63 ftBelow normal
Lee CreekCardston · 31 km1.38 m4.53 ftNormal
Milk RiverWestern Crossing of International Boundary · 31 km0.74 m2.44 ftNormal
Canadian St. Mary CanalSpring Coulee · 36 km0.36 m1.18 ftVery low
Magrath Irrigation District CanalSpring Coulee · 37 km—Very low
St. Mary ReservoirSpring Coulee · 39 km1,095.58 m3,594.42 ftNormal

About this gauge

Station: 11AA001 · North Milk River Near International Boundary

Location: 49.0220, -112.9729 · Alberta

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 North Milk River at International Boundary today?

The latest reading (Oct 25, 6 AM, local standard time) is 0.33 m (1.09 ft) with a flow of 0.26 m³/s (9.25 cfs).

Is the North Milk River at International Boundary high right now?

The flow is below normal for October (37% of the median).

Is the North Milk River rising or falling?

In the last 24 hours it has been steady.

What is the highest flow ever recorded on the North Milk River at International Boundary?

104 m³/s (3,673 cfs) on June 6, 1995, the highest instantaneous flow in the approved records of the Water Survey of Canada (1911–2025). Events after 2025 are not yet in the approved archive.

How does the North Milk River at International Boundary compare with a year ago?

The flow is 33% higher than on October 25, 2025 (0.20 m³/s (6.96 cfs), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 11AA001 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.