Rafferty

Unusually high

Water level is well above normal for mid-September and holding steady.

Low (535.84m)Normal rangeHigh (550.49m)

Current Weather

2d ago

14°C

Wind SSE 17 km/h

Humidity 79%

Chance of showers

Environment Canada — Estevan - Weyburn - Radville - Milestone

vs. Last Year

No data available

7-Day Trend

→Stable

Changed less than 2.0 cm over the past week

-0.7 cm over 7 days

Seasonal Position

92nd percentile

Based on 34 years of records

Seasonal Outlook

Typical next 7 days

This lake usually drops slightly over the next week.

Typical next 14 days

Over two weeks, levels typically drops moderately.

Tracking

This year is tracking near the seasonal norm.

Based on 34 years of seasonal patterns. This is a historical seasonal pattern, not a forecast.

Lake Profile

Est. average depth21.9 m

Estimated from HydroLAKES v1.0 (Messager et al., 2016). Modeled geo-statistical estimate, not a direct survey measurement.

Water Level — Last 30 Days

Technical details

Current level: 550.06 m
Reference value: 550.07 m (rolling_6h_mean)
Percentile for date: 92nd percentile
Years of record: 34
Source station: RAFFERTY RESERVOIR NEAR ESTEVAN (05NB032)
Est. average depth: 21.9 m
Relationship type: direct_lake
Mapping confidence: medium
Today's normal range: 548.58–549.61 m
Same-date historical range: 535.84–550.49 m
30-day change: -3.6 cm
Data confidence: medium
Observed at: Sep 20, 2026
Last snapshot: Sep 20, 2026

Data source: ECCC Water Office — Station 05NB032. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.