Three Isle Lake

50.6308° N, 115.2769° W

Three Isle Lake, Alberta. 50.6308° N, 115.2769° W

Not for navigation. Depths are from government surveys and may be outdated.

borealbound.ca/lakes/ab/three-isle-lake/, compiled October 9, 2026

Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).

Three Isle Lake covers 0.36 km², Alberta. It lies 50 km south of Canmore.

Area: 0.36 km²
Shoreline: 3.5 km
Elevation: 2,157 m

Today on the water

SPECIAL WEATHER STATEMENT · issued 3:43 p.m. MDT Thursday

The first accumulating snow of the season is expected late this week, which may affect holiday travel.

Rain will continue to spread across northern Alberta today. Precipitation will change to snow on Friday in west-central regions, and for much of the province by Saturday. 

Many areas of Alberta are expected to see accumulating snow on Saturday, possibly including the Calgary-Edmonton corridor. The highest snowfall amounts are expected in western parts of the province, including Grande Cache, Hinton, Nordegg and Rocky Mountain House where snow totals of 10 to 25 cm are currently forecast. Snow amounts for other areas of the province remain uncertain.

Snow will taper off from north to south on Sunday. 

Prepare for quickly changing and deteriorating travel conditions.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ABstorm@ec.gc.ca, call 1-800-239-0484 or post reports on social media using #ABStorm.

Official alert on weather.gc.ca · expires 7:43 a.m. MDT

7.2 °C

Wind SW 64 km/h

Observed at Kananaskis (Nakiska Ridgetop), as of 11:00 p.m. MDT Thursday

Wind from the southwest: the southwest shore is the sheltered side.

Hourly forecast, next 24 hours
Time	2 a.m.	5 a.m.	8 a.m.	11 a.m.	2 p.m.	5 p.m.	8 p.m.	11 p.m.
Wind km/h	W 30	W 30	W 30	W 40	W 40	W 20	W 20	NE 10
Gusts km/h	50	50	50	60	60
Temp. °C	9	10	13	15	16	14	10	5
Precip. %	0	0	10	30	30	30	80	100

Tonight: Partly cloudy. Wind becoming west 30 km/h gusting to 50 after midnight. Low 9.

Weather: Kananaskis (Nakiska Ridgetop) (local forecast), as of 1:05 a.m. MDT

Sun and moon

Civil dawn: 7:21 a.m.
Sunrise: 7:54 a.m.
Sunset: 7:01 p.m.
Civil dusk: 7:33 p.m.
Moonrise: 6:52 a.m.
Moonset: 6:21 p.m.
Moon: Waning crescent, 1% lit

Follow this lake by email: a weekly summary of conditions.

Follow this lake

Every Friday by email: the Environment Canada forecast and any weather alerts in effect.