Mt St Louis Moonstone Snow Forecast (mid mountain)

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Mt St Louis Moonstone at 320 m altitude

Issued by Snow-Forecast.com at: 12 am (local time) / 19 Dec 2025

Last 6 daysScroll left for last 6 daysNow

		Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	light snow	light snow	light snow	light snow	light snow	snow shwrs	light snow	light snow	cloudy	mod. snow	light snow	light snow	some clouds
km/h	S	WSW	W	NW	S	SSW	W	W	NW	NNW	SW	SSW	SSW	SW	WNW	NW
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cm	4	1	2	1	1	1	1	2	1	—	—	—	6	2	—	—
mm	5	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	-3	-6	-7	-2	0	1	-5	-7	-11	-3	-4	-2	0	1	1
min °C	0	-4	-8	-8	-4	-1	-7	-6	-10	-12	-7	-5	-4	-1	1	-7
chill °C	-7	-12	-18	-18	-10	-8	-16	-15	-18	-18	-11	-10	-8	-5	-4	-12
Humid %	99	85	84	77	74	86	73	77	84	84	87	77	93	96	94	88
Freeze m	2300	0	0	0	0	50	150	0	0	0	0	0	0	0	400	400

	—	7:50	—	—	7:50	—	—	7:52	—	—	7:52	—	—	7:52	—	—
	—	—	4:38	—	—	4:39	—	—	4:39	—	—	4:40	—	—	4:40	—

Next 0-3 days weather summary:

Mild at first with light rain (total 5.0mm) on Thu night followed by colder weather and light fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 6°C on Thu night, min -10°C on Sun afternoon). Winds decreasing (strong winds from the W on Fri afternoon, light winds from the S by Fri night).

Next 4-6 days weather summary:

A light covering of new snow, mostly falling on Mon night. Freeze-thaw conditions (max 1°C on Tue afternoon, min -12°C on Sun night). Wind will be generally light.

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Mt St Louis Moonstone Snow Conditions

Top snow depth:	79 cm
Bottom snow depth:	51 cm
Fresh snowfall depth:	—
Last snowfall:	15 Dec 2025
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Other resorts in Canada - Ontario are reporting: powder (0) / good piste (0)

Mt St Louis Moonstone Snow Report

Snow History

Week 3 of December has on average:

0.5	Bluebird Powder days Fresh snow, mostly sunny, light wind.
0.8	Powder days Fresh snow, limited sun, any wind.
1.3	Bluebird days Average snow, mostly sunny, light wind.

Mt St Louis Moonstone Snow History

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Photos of Mt St Louis Moonstone

Ski at Mt St Louis by Roro
Ski at Mt St Louis by Roro
Ski at Mt St Louis by Roro

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Other resorts in Canada - Ontario are reporting: powder (0) / good piste (0)

The above table gives the weather forecast for Mt St Louis Moonstone at the specific elevation of 320 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mt St Louis Moonstone. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Canada.

Click here to read further information on freezing levels and how we forecast our temperatures.

Visitor Reviews of Mt St Louis Moonstone

Overall 2.3 Based on 2 votes and 6 reviews

Snowsure 4.0
Variety of pistes 3.0
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Kim from Canada writes:
We have purchased the 5x5 pass for the last 12 years. Never ever have they notified us regarding the tier 1 purchase price. It is always sold out. Leaving us to, once again, pay the higher price. You would think being a loyal customer they would notify us when the sale starts. Also, getting far too crowded even on a work day. Bye bye Mount Saint Louis. Skiing somewhere else. You lost us.

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Visitor Reviews of Mt St Louis Moonstone

Overall: 2.3 Based on 2 votes and 6 reviews

Snowsure 4.0
Variety of pistes 3.0
Off-piste 1.0
Scenery 3.5
Apres-Ski 1.0

Kim from Canada writes:

We have purchased the 5x5 pass for the last 12 years. Never ever have they notified us regarding the tier 1 purchase price. It is always sold out. Leaving us to, once again, pay the higher price. You would think being a loyal customer they would notify us when the sale starts. Also, getting far too crowded even on a work day. Bye bye Mount Saint Louis. Skiing somewhere else. You lost us.

Read 5 more reviews of Mt St Louis Moonstone or submit your own

	Resort	Snow Depth	Temp. (°C)	Wind (km/h)	Weather
	Top Lift:	0.8 m	6
	Bottom Lift:	0.5 m	5

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