Last Mountain Lake at Rowan'S Ravine
Water level and flow at gauge 05JH004, Saskatchewan. The level is above normal for October. In the last 24 hours it has been falling.
Latest reading Oct 25, 6 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 53 years of monthly averages): 489.86 m1,607.17 ft – 490.05 m1,607.78 ft, median 489.96 m1,607.49 ft.
July 9, 2011 · approved records 1972–2025 (HYDAT). Right now the level is 1.88 m6.15 ft below that record.
0.18 m0.58 ft higher than on October 25, 2025 (489.96 m1,607.48 ft)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily water level
Normal range: monthly averages of 54 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
A mix of sun and cloud. Wind northwest 20 km/h gusting to 40 becoming light this afternoon. High plus 3. Wind chill minus 12 this morning. UV index 2 or low.
A few clouds. Fog patches developing overnight. Wind up to 15 km/h. Low minus 9. Wind chill near minus 12.
Sunny. Fog patches dissipating in the morning. Wind becoming south 20 km/h near noon. High plus 5. Wind chill minus 12 in the morning. UV index 2 or low.
Clear. Low minus 3.
Forecast for Last Mountain Lake (Sanctuary) (58 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Qu'Appelle RiverBelow Craven Dam · 42 km | 1.53 m5.02 ft | Very high |
| Qu'Appelle RiverLumsden · 44 km | 491.17 m1,611.43 ft | Above normal |
| Wascana CreekLumsden · 44 km | 1.74 m5.71 ft | Above normal |
| Saline CreekNokomis · 47 km | 0.99 m3.26 ft | Very low |
| Cottonwood CreekLumsden · 49 km | 1.35 m4.44 ft | Very high |
| Boggy CreekLumsden · 51 km | 1.76 m5.77 ft | Very high |
About this gauge
Station: 05JH004 · Last Mountain Lake at Rowan'S Ravine
Location: 50.9956, -105.1839 · Saskatchewan
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 Last Mountain Lake at Rowan'S Ravine today?
The latest reading (Oct 25, 6 AM, local standard time) is 490.14 m (1,608.05 ft).
Is the Last Mountain Lake at Rowan'S Ravine high right now?
The level is above normal for October.
Is the Last Mountain Lake rising or falling?
In the last 24 hours it has been falling.
What is the highest water level ever recorded on the Last Mountain Lake at Rowan'S Ravine?
492.01 m (1,614.21 ft) on July 9, 2011, the highest instantaneous level in the approved records of the Water Survey of Canada (1972–2025). Events after 2025 are not yet in the approved archive.
How does the Last Mountain Lake at Rowan'S Ravine compare with a year ago?
The level is 0.18 m (0.58 ft) higher than on October 25, 2025 (489.96 m (1,607.48 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 05JH004 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.