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Mount Mawson 7-Day Snow Forecast - 23rd September 2026

Mount Mawson Snow Forecast - 7 day

ECMWF IFS
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Updated 22 September 2026 17:48 PDT

7-Day Snow Forecast for Mount Mawson

1-week from 23 September.

For Forecast detail, see below.

Mount Mawson 7-Day Snow Forecast Highlights

When will there be fresh snow in Mount Mawson?

Mount Mawson Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (4,216ft)
Next Snow Expected26 September
Next Snow Amount-
Next 48 Hours-
Next 7 Days-

7-Day Snow Outlook for Mount Mawson

 
Snowfall

 
Snow Line

Max 63°F
Min 25°F

New Snow

Snow falling to resort level (4,101ft).

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Mount Mawson 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 51°F
Min 31°F

Valley temperatures from an overnight low of 31°F to daytime highs around 51°F

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

CloudClearCloudCloud

Cloudy, clear sky, cloudy later.

Forecast times for Mount Mawson are in Sydney (Australia/Sydney) time zone.

Max 59°F
Min 31°F

Valley temperatures from an overnight low of 31°F to daytime highs around 59°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

CloudCloudLt DrizzleLt Drizzle

Cloudy early, then light drizzle later.

Forecast times for Mount Mawson are in Sydney (Australia/Sydney) time zone.

Max 53°F
Min 39°F

Valley temperatures from an overnight low of 39°F to daytime highs around 53°F

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

ShwrsShwrsCloudCloud

Rain showers early, then cloudy later.

Forecast times for Mount Mawson are in Sydney (Australia/Sydney) time zone.

Max 36°F
Min 25°F

Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 36°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
26

New Snow

Light SnowLt Snow ShwrsClearMixed

Light snow first, light snow showers then clear sky, clear spells later.

Snow falling to resort level (4,101ft).

Forecast times for Mount Mawson are in Sydney (Australia/Sydney) time zone.

Max 37°F
Min 25°F

Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 37°F

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

CloudCloudMixedMixed

Cloudy early, then clear spells later.

Forecast times for Mount Mawson are in Sydney (Australia/Sydney) time zone.

Max 48°F
Min 27°F

Freeze-thaw conditions, with valley temperatures cooling to 27°F and rising to 48°F

Temperature at BaseTemp at Base

Mon
28

Snow unlikely

ClearClearCloudCloud

Clear sky early, then cloudy later.

Forecast times for Mount Mawson are in Sydney (Australia/Sydney) time zone.

Max 63°F
Min 26°F

Freeze-thaw conditions, with valley temperatures cooling to 26°F and rising to 63°F

Temperature at BaseTemp at Base

Tue
29

Snow unlikely

CloudShwrsDrizzleMixed

Cloudy first, rain showers then drizzle, clear spells later.

Forecast times for Mount Mawson are in Sydney (Australia/Sydney) time zone.

This Snow Forecast for Mount Mawson, Australia 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 Mawson, on any given trail 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 Mawson Snow Forecast updated at 17:48 PDT, next update expected 23:00 PDT.

Snow Reliability

Mount Mawson typically sees a snow depth ranging from 50 to 100 cm during the season, with reliable snowfall from June to September. For the latest snow conditions, check J2Ski for up-to-date information.