Chilliwack River above Slesse Creek
Water level and flow at gauge 08MH103, British Columbia. The flow is well below normal for October (29% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 5 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 63 years of monthly averages): 13.9 m³/s491 cfs – 29.7 m³/s1,047 cfs, median 22.0 m³/s777 cfs. Right now it is at 29% of the median.
November 6, 2006 · approved records 1963–2025 (HYDAT). Right now the flow is 1% of that record.
72% lower than on October 25, 2025 (22.6 m³/s798 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
Periods of rain ending this morning then mainly cloudy with 40 percent chance of showers. Wind northeast 30 km/h gusting to 50. High 12. UV index 1 or low.
Mainly cloudy. 30 percent chance of showers this evening. Wind northeast 20 km/h gusting to 40. Low 7.
Mainly cloudy. Wind becoming southwest 20 km/h in the afternoon. High 13. UV index 1 or low.
Cloudy. Low 6.
Forecast for Agassiz (16 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Slesse CreekVedder Crossing · 4 km | 0.23 m0.75 ft | Very low |
| Chilliwack RiverOutlet of Chilliwack Lake · 15 km | 0.29 m0.94 ft | Very low |
| Chilliwack RiverVedder Crossing · 22 km | 1.39 m4.55 ft | Very low |
| Harrison LakeHarrison Hot Springs · 24 km | 8.84 m29.00 ft | Very low |
| Harrison RiverHarrison Hot Springs · 25 km | — | Very low |
| Harrison RiverHarrison Mills · 26 km | 6.24 m20.48 ft | Above normal |
About this gauge
Station: 08MH103 · Chilliwack River Above Slesse Creek
Location: 49.1017, -121.6630 · British Columbia
Same river: Vedder Crossing, Outlet of Chilliwack Lake
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 Chilliwack River above Slesse Creek today?
The latest reading (Oct 25, 5 AM, local standard time) is 0.37 m (1.21 ft) with a flow of 6.35 m³/s (224 cfs).
Is the Chilliwack River above Slesse Creek high right now?
The flow is well below normal for October (29% of the median).
Is the Chilliwack River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Chilliwack River above Slesse Creek?
504 m³/s (17,799 cfs) on November 6, 2006, the highest instantaneous flow in the approved records of the Water Survey of Canada (1963–2025). Events after 2025 are not yet in the approved archive.
How does the Chilliwack River above Slesse Creek compare with a year ago?
The flow is 72% lower than on October 25, 2025 (22.6 m³/s (798 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 08MH103 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.