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Mammoth Mountain Snow Forecast - 25th April 2025

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Mammoth Mountain Snow Report and Forecast

Snow Forecast for Mammoth Mountain

When will there be fresh snow?

This is the Snow Forecast for Mammoth Mountain, United States for 16 days from 25 April.

Updated 25 April 2025 07:31 BST.

Mammoth Mountain Snow Forecast Highlights
Next Snow Expected26 April
Next Snow Amount 3cm 1in
Next 48 Hours 8cm 3in
Next 7 Days 8cm 3in
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Mammoth Mountain.

Forecast for today in Mammoth Mountain

Max 9℃ 48°F
Min 1℃ 35°F

Valley temperatures from an overnight low of 1℃ 35°F to daytime highs around 9℃ 48°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Fri
25

Snow unlikely

CloudCloudCloudClear

Cloudy early, then clear sky later.

Mammoth Mountain has 8cm 3in new snow forecast in the next 48 hours.

Mammoth Mountain Snow Report

Mammoth Mountain Snow Depths and Conditions.
Snow Conditions-

Mammoth Mountain 7-Day Snow Forecast Overview

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 NEW FOR 24/25 - Improved Forecasts for Mammoth Mountain - high-resolution weather models, updated more often -  Subscribe

Summary Weather and Snow Forecast for Mammoth Mountain from OpenMeteo
Fri
25
Sat
26
Sun
27
Mon
28
Tue
29
Wed
30
Thu
01
WindSW F4SW F4SW F2
3,370m 11,056ft
-1℃ 30°F
Cloud
-7℃ 20°F
Snow
+4cm +2in
-4℃ 25°F
Light Snow
+4cm +2in
1℃ 34°F
Clear
4℃ 40°F
Clear
5℃ 42°F
Clear
8℃ 45°F
Fair
SW F4SW F4SW F2SE F2SE F2
2,885m 9,465ft
4℃ 39°F
Cloud
-3℃ 26°F
Fog
+3cm +1in
0℃ 33°F
Snow
+4cm +2in
5℃ 42°F
Clear
8℃ 47°F
Clear
8℃ 47°F
Cloud
11℃ 52°F
Clear
SW F4SW F4SW F2NE F2E F3
2,400m 7,874ft
9℃ 48°F
Cloud
2℃ 35°F
Snow
+3cm +1in
0℃ 33°F
Light Snow
+5cm +2in
11℃ 52°F
Clear
13℃ 54°F
Clear
13℃ 55°F
Clear
16℃ 61°F
Clear
Snow Line

2,439m 8,002ft

2,400m 7,874ft

varying 2,659m 8,724ft
to 2,400m 7,874ft

varying 2,649m 8,691ft
to 2,619m 8,593ft

Max Town 9℃ 48°F 2℃ 35°F 0℃ 33°F 11℃ 52°F 13℃ 54°F 13℃ 55°F 16℃ 61°F
Min Town 1℃ 35°F -4℃ 25°F -7℃ 20°F -4℃ 24°F -1℃ 31°F 1℃ 34°F 2℃ 36°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Mammoth Mountain 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 9℃ 48°F
Min 1℃ 35°F

Valley temperatures from an overnight low of 1℃ 35°F to daytime highs around 9℃ 48°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Fri
25

Snow unlikely

CloudCloudCloudClear

Cloudy early, then clear sky later.

Max 2℃ 35°F
Min -4℃ 25°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 25°F and rising to 2℃ 35°F

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sat
26

3cm to 4cm 1in to 2in New Snow

ClearFairCloudSnow

Clear sky first, fair then cloudy, heavy snow showers later.

Snow falling to resort level.

Max 0℃ 33°F
Min -7℃ 20°F

Valley temperatures from an overnight low of -7℃ 20°F to daytime highs around 0℃ 33°F

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sun
27

4cm to 5cm 2in New Snow

SnowSnowLight SnowMixed

Heavy snow showers, light snow, clear spells later.

Snow Line from 2,659m 8,724ft to resort level.

Max 11℃ 52°F
Min -4℃ 24°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 24°F and rising to 11℃ 52°F

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Mon
28

Snow unlikely

CloudClearClearClear

Cloudy early, then clear sky later.

Max 13℃ 54°F
Min -1℃ 31°F

Valley temperatures from an overnight low of -1℃ 31°F to daytime highs around 13℃ 54°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Tue
29

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

Max 13℃ 55°F
Min 1℃ 34°F

Valley temperatures from an overnight low of 1℃ 34°F to daytime highs around 13℃ 55°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Wed
30

Snow unlikely

CloudMixedClearLt Drizzle

Cloudy first, clear spells then clear sky, light drizzle later.

Max 16℃ 61°F
Min 2℃ 36°F

Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 16℃ 61°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Thu
01

Snow unlikely

Lt DrizzleClearClearClear

Light drizzle early, then clear sky later.

This Snow Forecast for Mammoth Mountain, United States 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 Mammoth Mountain, 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.

Mammoth Mountain Snow Forecast updated at 07:31 BST, next update expected imminently.

Snow Forecast near Mammoth Mountain

Snow Forecasts for Ski Resorts near Mammoth Mountain
Snow Report and Forecast 48 HrFriSatSunMonTueWedThu 7 Day
June Mountain 4cm 2in 4cm 2in

Understanding and predicting Snow Conditions in Mammoth Mountain

Here are our tips for making the most of a trip to Mammoth Mountain, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Mammoth Mountain, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Mammoth Mountain is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Mammoth Mountain will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Mammoth Mountain for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.