Souris River below Rafferty Reservoir

Water level and flow at gauge 05NB036, Saskatchewan. The flow is well above normal for October (57667% of the median). In the last 24 hours it has been rising.

Water level
2.75m9.02ft
+2 cm+0.9 in in 24 h
Flow
5.19m³/s183cfs
+5% in 24 h
Status
Very high
↑ rising +5%

Latest reading Oct 25, 8 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 30 years of monthly averages): 0.00 m³/s0.18 cfs – 0.44 m³/s15.4 cfs, median 0.01 m³/s0.32 cfs. Right now it is at 57667% of the median.

Highest flow on record
563m³/s19,882cfs

June 21, 2011 · approved records 1992–2024 (HYDAT). Right now the flow is 1% of that record.

Compared with a year ago

172900% higher than on October 25, 2025 (0.00 m³/s0.11 cfs)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

0 m³/s2 m³/s4 m³/s6 m³/s0 cfs50 cfs100 cfs150 cfs200 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 18 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

Mainly sunny. Wind northwest 20 km/h becoming light this afternoon. High plus 5. Wind chill minus 14 this morning. UV index 2 or low.

Tonight

Clear. Wind up to 15 km/h. Low minus 9. Wind chill minus 14 overnight.

Monday

Mainly sunny. Wind becoming southeast 30 km/h near noon. High 6. Wind chill minus 14 in the morning. UV index 2 or low.

Monday night

Cloudy periods. Low minus 3.

Forecast for Estevan (8 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Rafferty ReservoirEstevan · 1 km549.74 m1,803.61 ftAbove normal
Boundary Reservoir Diversion CanalEstevan · 2 km1.22 m4.00 ftNo normal yet
Long CreekEstevan · 7 km536.68 m1,760.76 ftVery low
TributaryOutram · 16 km9.24 m30.32 ftNo normal yet
Short CreekRoche Percee · 21 km1.14 m3.75 ftVery high
Long CreekWestern Crossing of International Boundary · 25 km0.63 m2.06 ftAbove normal

About this gauge

Station: 05NB036 · Souris River Below Rafferty Reservoir

Location: 49.1434, -103.0831 · Saskatchewan

Same river: Ralph

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 Souris River below Rafferty Reservoir today?

The latest reading (Oct 25, 8 AM, local standard time) is 2.75 m (9.02 ft) with a flow of 5.19 m³/s (183 cfs).

Is the Souris River below Rafferty Reservoir high right now?

The flow is well above normal for October (57667% of the median).

Is the Souris River rising or falling?

In the last 24 hours it has been rising.

What is the highest flow ever recorded on the Souris River below Rafferty Reservoir?

563 m³/s (19,882 cfs) on June 21, 2011, the highest instantaneous flow in the approved records of the Water Survey of Canada (1992–2024). Events after 2024 are not yet in the approved archive.

How does the Souris River below Rafferty Reservoir compare with a year ago?

The flow is 172900% higher than on October 25, 2025 (0.00 m³/s (0.11 cfs), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 05NB036 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.