Mount St. Louis / Moonstone Snow Forecast - 7 day
Updated 17 October 2026 09:44 BST
7-Day Snow Forecast for Mount St. Louis / Moonstone
1-week from 17 October.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Mount St. Louis / Moonstone 7-Day Snow Forecast Highlights
When will there be fresh snow in Mount St. Louis / Moonstone?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Mount St. Louis / Moonstone. |
7-Day Snow Outlook for Mount St. Louis / Moonstone
Snowfall
Snow Line
Max 17℃ 62°F
Min -1℃ 29°F
Snow unlikely
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Partner Offers
Mount St. Louis / Moonstone Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 8℃ 46°F
Min -1℃ 29°F
Freeze-thaw conditions, with valley temperatures cooling to -1℃ 29°F and rising to 8℃ 46°F
Temperature at BaseTemp at Base
Sat
17
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Mount St. Louis / Moonstone are in Toronto (Canada/Eastern) time zone.
Max 17℃ 62°F
Min 4℃ 39°F
Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 17℃ 62°F
Temperature at BaseTemp at Base
Sun
18
Snow unlikely
Clear sky.
Forecast times for Mount St. Louis / Moonstone are in Toronto (Canada/Eastern) time zone.
Max 16℃ 60°F
Min 5℃ 42°F
Valley temperatures from an overnight low of 5℃ 42°F to daytime highs around 16℃ 60°F
Temperature at BaseTemp at Base
Mon
19
Snow unlikely
Clear sky.
Forecast times for Mount St. Louis / Moonstone are in Toronto (Canada/Eastern) time zone.
Max 15℃ 58°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 15℃ 58°F
Temperature at BaseTemp at Base
Tue
20
Snow unlikely
Clear sky.
Forecast times for Mount St. Louis / Moonstone are in Toronto (Canada/Eastern) time zone.
Max 13℃ 56°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 13℃ 56°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Wed
21
Snow unlikely
Clear sky.
Forecast times for Mount St. Louis / Moonstone are in Toronto (Canada/Eastern) time zone.
Max 14℃ 57°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 14℃ 57°F
Temperature at BaseTemp at Base
Thu
22
Snow unlikely
Clear sky, fair, clear sky later.
Forecast times for Mount St. Louis / Moonstone are in Toronto (Canada/Eastern) time zone.
Max 14℃ 57°F
Min 4℃ 39°F
Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 14℃ 57°F
Temperature at BaseTemp at Base
Fri
23
Snow unlikely
Clear sky.
Forecast times for Mount St. Louis / Moonstone are in Toronto (Canada/Eastern) time zone.
No significant snowfall is forecast for this period.
This Snow Forecast for Mount St. Louis / Moonstone, Canada gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Mount St. Louis / Moonstone, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Mount St. Louis / Moonstone Snow Forecast updated at 09:44 BST, next update expected 15:00 BST.
How reliable is the snow in Mount St. Louis / Moonstone?
The resort typically enjoys good snow reliability, with an average snow depth of around 100 cm during peak season. For the latest snow conditions, be sure to check J2Ski for up-to-date information.



