Don River West Branch at York Mills
Water level and flow at gauge 02HC005, Ontario. The flow is below normal for October (47% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 9 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 62 years of monthly averages): 0.33 m³/s11.7 cfs – 0.83 m³/s29.3 cfs, median 0.56 m³/s19.8 cfs. Right now it is at 47% of the median.
July 16, 2024 · approved records 1960–2025 (HYDAT). Right now the flow is 0% of that record.
20% lower than on October 25, 2025 (0.33 m³/s11.8 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 63 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
Sunny. Fog patches dissipating this morning. High 17. UV index 4 or moderate.
A few clouds. Low 9.
A mix of sun and cloud. Becoming cloudy in the morning. Wind becoming northwest 20 km/h in the morning. High 16. UV index 2 or low.
Cloudy. Low zero.
Forecast for Toronto (10 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Don RiverTodmorden · 7 km | 12.11 m39.74 ft | Very low |
| Don River East BranchThornhill · 10 km | 2.02 m6.62 ft | Very low |
| Humber RiverWeston · 10 km | 2.18 m7.15 ft | Below normal |
| Black CreekWeston · 11 km | 0.32 m1.03 ft | Very low |
| West Highland CreekScarborough Village · 14 km | 2.39 m7.85 ft | Very low |
| Mimico CreekIslington · 14 km | 5.57 m18.26 ft | Very low |
About this gauge
Station: 02HC005 · Don River West Branch at York Mills
Location: 43.7403, -79.4031 · Ontario
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 Don River West Branch at York Mills today?
The latest reading (Oct 25, 9 AM, local standard time) is 0.53 m (1.74 ft) with a flow of 0.27 m³/s (9.36 cfs).
Is the Don River West Branch at York Mills high right now?
The flow is below normal for October (47% of the median).
Is the Don River West Branch rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Don River West Branch at York Mills?
74.7 m³/s (2,638 cfs) on July 16, 2024, the highest instantaneous flow in the approved records of the Water Survey of Canada (1960–2025). Events after 2025 are not yet in the approved archive.
How does the Don River West Branch at York Mills compare with a year ago?
The flow is 20% lower than on October 25, 2025 (0.33 m³/s (11.8 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02HC005 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.