Rat Lake at Notigi Control Structure
Water level and flow at gauge 05TF004, Manitoba. The level is well above normal for October. In the last 24 hours it has been steady.
Latest reading Oct 25, 7 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 37 years of monthly averages): 257.71 m845.52 ft – 258.00 m846.45 ft, median 257.84 m845.93 ft.
May 27, 2017 · approved records 1989–2025 (HYDAT). Right now the level is 0.54 m1.78 ft below that record.
0.16 m0.52 ft higher than on October 25, 2025 (257.96 m846.31 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 34 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
Mainly cloudy. 60 percent chance of snow early this morning. Wind northwest 30 km/h gusting to 50. High minus 2. Wind chill near minus 13. UV index 1 or low.
Mainly cloudy. Clearing overnight. Fog patches developing after midnight. Wind northwest 20 km/h becoming light this evening. Low minus 7. Wind chill near minus 13.
Sunny. Fog patches dissipating in the morning. Wind up to 15 km/h. High plus 2. Wind chill minus 12 in the morning. UV index 1 or low.
Clear. Low minus 5.
Forecast for Leaf Rapids (49 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Footprint RiverAbove Footprint Lake · 43 km | 29.68 m97.37 ft | Very high |
| Churchill RiverAbove Leaf Rapids · 51 km | 259.53 m851.47 ft | Normal |
| Footprint LakeNelson House · 54 km | 243.12 m797.63 ft | Normal |
| Churchill RiverAbove Granville Falls · 60 km | 243.86 m800.06 ft | Normal |
| South Bay Diversion ChannelSouth Bay · 66 km | 258.27 m847.36 ft | Very high |
| Sapochi RiverNelson House · 66 km | 9.40 m30.85 ft | Above normal |
About this gauge
Station: 05TF004 · Rat Lake Near Notigi Control Structure
Location: 56.1325, -99.4834 · Manitoba
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 Rat Lake at Notigi Control Structure today?
The latest reading (Oct 25, 7 AM, local standard time) is 258.12 m (846.83 ft).
Is the Rat Lake at Notigi Control Structure high right now?
The level is well above normal for October.
Is the Rat Lake rising or falling?
In the last 24 hours it has been steady.
What is the highest water level ever recorded on the Rat Lake at Notigi Control Structure?
258.66 m (848.62 ft) on May 27, 2017, the highest instantaneous level in the approved records of the Water Survey of Canada (1989–2025). Events after 2025 are not yet in the approved archive.
How does the Rat Lake at Notigi Control Structure compare with a year ago?
The level is 0.16 m (0.52 ft) higher than on October 25, 2025 (257.96 m (846.31 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 05TF004 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.