Mammoth Mountain ↑26° ↓15° Forecast:   1" Base:   3"
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Today's Forecast
↑26° ↓15°
forecast icon
  • Dewpoint↓4° / ↑7°
  • Humidity↓34% / ↑93%
  • Regional Forecasted Snow1"
  • Regional Snow Depth3"
Cloudy before noon and then mostly cloudy becoming partly cloudy later into the evening.
Expected snowfall to be a dusting in the early morning followed by another trace before noon.
Potential Precip: 0.03 to 0.13 inches
Winds NW 11 to 22 mph through the morning becoming 20 to 32 mph in the afternoon, evening with gusts up to 40 mph. Expected wind chill to be -3 to 6 degrees throughout the day.
Daily Freezing Level In Feet
Friday the 20th
↑41° ↓27°
forecast icon
  • Dewpoint↓8° / ↑7°
  • Humidity↓14% / ↑53%
  • Regional Forecasted Snow0"
  • Regional Snow Depth3"
Clear throughout the day.
No snow today.
No precipitation expected today.
Winds N 8 to 19 mph through the morning shifting to variable at 3 to 10 mph in the afternoon, evening with gusts up to 24 mph. Expected wind chill to be 8 to 34 degrees throughout the day.
Daily Freezing Level In Feet
Saturday the 21st
↑41° ↓39°
forecast icon
  • Dewpoint↓14° / ↑9°
  • Humidity↓15% / ↑74%
  • Regional Forecasted Snow0"
  • Regional Snow Depth1"
Clear becoming partly cloudy through the morning, and then partly cloudy through the afternoon and evening.
None expected throughout the day.
No precipitation expected today.
Winds variable at 2 to 9 mph through the morning shifting to variable at 3 to 10 mph in the afternoon, evening with gusts up to 11 mph. Expected wind chill to be 31 to 38 degrees throughout the day.
Daily Freezing Level In Feet
Sunday the 22nd
↑40° ↓35°
forecast icon
  • Dewpoint↓18° / ↑22°
  • Humidity↓21% / ↑65%
  • Regional Forecasted Snow0"
  • Regional Snow Depth0"
Mostly cloudy through the morning, and then clear becoming mostly clear with a few clouds into the evening.
None expected today.
None expected today.
Winds SW 8 to 19 mph through the morning becoming SW 8 to 17 mph in the afternoon, evening with gusts up to 24 mph. Expected wind chill to be 21 to 32 degrees throughout the day.
Daily Freezing Level In Feet
Monday the 23rd
↑40° ↓37°
forecast icon
  • Dewpoint↓17° / ↑25°
  • Humidity↓24% / ↑61%
  • Regional Forecasted Snow0"
  • Regional Snow Depth0"
Mostly clear with a few clouds becoming clear through the morning, and then clear becoming partly cloudy into the evening.
None expected throughout the day.
None expected throughout the day.
Winds S 5 to 14 mph through the morning becoming variable at 1 to 8 mph in the afternoon, evening with gusts up to 18 mph. Expected wind chill to be 24 to 28 degrees throughout the day.
Daily Freezing Level In Feet
Tuesday the 24th
↑35° ↓29°
forecast icon
  • Dewpoint↓19° / ↑8°
  • Humidity↓29% / ↑74%
  • Regional Forecasted Snow0"
  • Regional Snow Depth0"
Partly cloudy becoming mostly cloudy through the morning, and then partly cloudy becoming mostly clear with a few clouds into the evening.
No snow today.
None expected.
Winds S 10 to 21 mph through the morning shifting to SW 5 to 14 mph in the afternoon, evening with gusts up to 26 mph. Expected wind chill to be 11 to 21 degrees throughout the day.
Daily Freezing Level In Feet
  • Last Update18 Apr @ 10:04
  • Snow Last 24hrs0"
  • Snow Past 48 hrs0"
  • Season Total257"
  • Average Base Depth70 to 150"
  • Today's Snow Potential1"
Comments
9 - 10in, past 6 days. Snow surface is machine groomed and packed powder
  • High Lift Elevation11,053ft
  • Base Elevation7,953ft
  • Vertical Drop3,100ft
  • Longest Trail3.2 miles
  • Trails82 of 150
  • Lifts11 of 28
  • Acreage1620 of 3500 ( 55% )
Other Info
  • Groomed Night Ski Trails40 ( 27% )
  • Tubing Hours10a-5p
27°
Current Weather Icon
 
Conditions
  • Humidity63%
  • Dewpoint16°
  • SustainedSW 6mph
  • GustingSW 12mph
  • VisibilityUnreported
  • Snow DepthUnreported
Comments
Unreported
Location
CRESTVIEW, CA
  • Elevation9,088ft
  • UpdatedApr 19 @ 06:09
27°
Current Weather Icon
 
Conditions
  • Humidity63%
  • Dewpoint16°
  • SustainedSW 6mph
  • GustingSW 12mph
  • VisibilityUnreported
  • Snow DepthUnreported
Comments
Unreported
Location
CRESTVIEW, CA
  • Elevation9,088ft
  • UpdatedApr 19 @ 06:09
Top
Base
Super pipe
Super pipe
McCoy-Chair 23-top
McCoy-Chair 23-top
Contact
Location
  • City: Mammoth
  • State: California
  • Country: United States
Tahoe - Mammoth - April 04, 2018
Wednesday, April 4th, 2018

..NOW THROUGH THE WEEKEND...
Mild weather is expected through Thursday. A few light showers are possible today and Thursday, mainly well north of Interstate 80. A strong atmospheric river will impact northeast California and western Nevada Friday into Saturday, bringing periods of moderate to heavy rain, high elevation snow, gusty winds, and concerns for flooding along rivers and streams.

..MORE DETAIL...
(Translated from NWS but added in some detail and our own outlook)
A strong late season Atmospheric River (AR) will bring periods of heavy precipitation to the region Friday and Saturday. With a strong sub-tropical influence and the jet stream (cold air to the north of this) forecast to stay well north of the region during most of precipitation event. Precip will fall
primarily as rain, even in the higher elevations above 9,000 and 10,000 feet. The main concern continues to be flooding, both for small creeks and streams, and for main stem rivers. There is a flood watch in effect from late Friday afternoon through Saturday for the Sierra and the Sierra foothills.

It is late in the atmospheric river season and this AR is forecast to be solidly in the strong category, which is quite rare for this time of year. PWAT (moisture) and IVT (moisture + transport) anomalies are on the very high end of their respective scales for this time of year, and between Friday afternoon and Saturday morning, several inches of water or more will fall on thew west slopes of the Sierra Nevada.

Precipitation will begin to move into the Sierra and NE California by Thursday night with periods of light to moderate precipitation through Friday afternoon as warm advection precipitation begins to push into the Sierra. A 6-12 hour period of very heavy precipitation is expected Friday night into Saturday morning as the core of the low pressure nears the Pacific Northwest coast, bringing increased forcing to the moisture laden
environment over the Sierra. The very warm temperatures aloft will promote more efficient warm rain processes and will likely result in impressive rain rates Friday night (heavy rain and flooding likely).

Current forecast for QPF is up to around 3-4 inches along the Sierra crest with 1.5-2 inches along the immediate lee of the Sierra and 0.5-1.0 inch spilling into western Nevada. During the period of heaviest precipitation the jet stream and the cold core of the low is forecast to remain well north of the
Sierra. Very warm subtropical air is forecast to move into the area from the southwest with mid-level temperatures potentially rising to around +3C to +5C during the heaviest precipitation. This will likely push snow levels to 10,000+ to 11,000 feet later Friday through early Saturday. CM

NEXT WEEK...
Early through mid next week looks busy with storms, colder this time, with snow levels to resort bases... Moderate to heavy snow is expected Tuesday and again next Thursday (9th/ 11th), followed by some sunshine and warming. After the 15th/ 16th or so we see high pressure build in across the eastern Pacific and west US coast, with sunny skies and warming temperatures, quite spring-like. CM
Feel free to share this, but please cite credit to snowforecast.com. Thank you! CM

Snowforecast.com Copyright © 1998–2018. Unauthorized Use Prohibited.
US Extended Snowfall Outlook - Updated Feb 14, 2018
LONG RANGE OUTLOOK from snowforecast.com - Feb 15, 2018

Wednesday, Feb 14, 2018

LONGER RANGE: Saturday/ Sunday (17th-18th) through late next week we expect a busy pattern, with all areas of the west seeing frequent snow, some areas like Colorado should see snow every day it looks like, and with heavy snow for Colorado overall Sunday through next week, more moderate to maybe heavy for Utah and the northern Rocky Mountains (including the inland Northwest)/ Southwest Canada, and mostly light snow across Tahoe, but at least it will be snowing again. Winter is definitely coming back!

--> Late February and into March should be busy for the western US, with frequent storms for Tahoe and Utah, moving across Colorado also as the east Pacific ridge breaks down some (Feb 20th-22nd), allowing strong Pacific energy and moisture to move into the western US and southwest Canada, with abundant snowfall for all areas including those parched in recent months like in California. This should have been the pattern across the western US already, if patterns were anything near "normal" so far in 2018... Do You want to see OTHER AREAS mentioned, email me and let me know... CM


Feel free to share this, but please cite credit to snowforecast.com. Thank you! CM

Snowforecast.com Copyright © 1998–2018. Unauthorized Use Prohibited.

Mountain Summit Forecast

Thursday
↑27° / ↓16°
iconWinds: NW 11 to 22 mph, then 20 to 32 mph
iconForecast Snow: 1"
icon

AM

icon
↑18° / ↓16°
Sky
Overcast before noon.
Snow
Snowfall forecasted to be a trace in the early morning, then another trace before noon.
Precipitation
Potential Precip: 0.02 to 0.1 inches
Winds
Morning winds near the top NW 11 to 22 mph with gusts up to 28 mph. Expected wind chill to be -2 to 2 degrees through the morning.

PM

icon
↑27° / ↓18°
Sky
Mostly cloudy becoming partly cloudy through the afternoon and evening.
Snow
Flurries possible through the afternoon and evening.
Precipitation
Potential Precip: trace amount
Winds
Afternoon winds near the top 20 to 32 mph with gusts up to 40 mph. Expected wind chill to be -1 to 7 degrees into the evening.
Hourly Temperatures at 9,519ft
temperature graph
Friday
↑42° / ↓28°
iconWinds: N 8 to 19 mph, then variable 3 to 10 mph
iconForecast Snow: 0"
icon

AM

icon
↑36° / ↓28°
Sky
Clear before noon.
Snow
None expected through the morning.
Precipitation
No precipitation expected.
Winds
Morning winds near the top N 8 to 19 mph with gusts up to 24 mph. Wind chill expected to be 9 to 24 degrees through the morning.

PM

icon
↑42° / ↓36°
Sky
Clear into the evening.
Snow
No snow.
Precipitation
None expected.
Winds
Afternoon winds near the top variable at 3 to 10 mph. Expected wind chill to be 24 to 35 degrees into the evening.
Hourly Temperatures at 9,519ft
temperature graph
Saturday
↑42° / ↓40°
iconWinds: variable 2 to 9 mph, then variable 3 to 10 mph
iconForecast Snow: 0"
icon

AM

icon
↑42° / ↓41°
Sky
Clear becoming partly cloudy before noon.
Snow
None expected through the morning.
Precipitation
None expected.
Winds
Morning winds near the top variable at 2 to 9 mph. Wind chill expected to be 34 to 39 degrees through the morning.

PM

icon
↑42° / ↓40°
Sky
Partly cloudy through the afternoon and evening.
Snow
No snow through the afternoon and evening.
Precipitation
None expected.
Winds
Afternoon winds near the top variable at 3 to 10 mph. Wind chill expected to be 32 to 36 degrees into the evening.
Hourly Temperatures at 9,519ft
temperature graph
Sunday
↑41° / ↓37°
iconWinds: SW 8 to 19 mph, then SW 8 to 17 mph
iconForecast Snow: 0"
icon

AM

icon
↑41° / ↓39°
Sky
Mostly cloudy before noon.
Snow
None expected in the morning hours.
Precipitation
None expected through the morning.
Winds
Morning winds near the top SW 8 to 19 mph with gusts up to 24 mph. Wind chill expected to be 28 to 34 degrees through the morning.

PM

icon
↑40° / ↓37°
Sky
Clear becoming mostly clear with a few clouds into the evening.
Snow
No snow.
Precipitation
No precipitation expected through the afternoon and evening.
Winds
Afternoon winds near the top SW 8 to 17 mph with gusts up to 21 mph. Expected wind chill to be 22 to 28 degrees into the evening.
Hourly Temperatures at 9,519ft
temperature graph
Monday
↑40° / ↓38°
iconWinds: S 5 to 14 mph, then variable 1 to 8 mph
iconForecast Snow: 0"
icon

AM

icon
↑40° / ↓38°
Sky
Mostly clear with a few clouds becoming clear before noon.
Snow
None expected in the morning hours.
Precipitation
None expected through the morning.
Winds
Morning winds near the top S 5 to 14 mph with gusts up to 18 mph. Expected wind chill to be 26 to 29 degrees through the morning.

PM

icon
↑40° / ↓39°
Sky
Clear becoming partly cloudy through the afternoon and evening.
Snow
No snow through the afternoon and evening.
Precipitation
No precipitation expected through the afternoon and evening.
Winds
Afternoon winds near the top variable at 1 to 8 mph. Expected wind chill to be 28 to 29 degrees into the evening.
Hourly Temperatures at 9,519ft
temperature graph
Tuesday
↑36° / ↓30°
iconWinds: S 10 to 21 mph, then SW 5 to 14 mph
iconForecast Snow: 0"
icon

AM

icon
↑36° / ↓35°
Sky
Partly cloudy becoming mostly cloudy through the morning.
Snow
None expected in the morning hours.
Precipitation
None expected through the morning.
Winds
Morning winds near the top S 10 to 21 mph. Expected wind chill to be 20 to 23 degrees through the morning.

PM

icon
↑35° / ↓30°
Sky
Partly cloudy becoming mostly clear with a few clouds into the evening.
Snow
None expected through the afternoon and evening.
Precipitation
No precipitation expected.
Winds
Afternoon winds near the top SW 5 to 14 mph. Expected wind chill to be 12 to 20 degrees into the evening.
Hourly Temperatures at 9,519ft
temperature graph

Mountain Base Forecast

Thursday
↑32° / ↓23°
iconWinds: NW 11 to 22 mph, then 20 to 32 mph
iconForecast Snow: 1"
icon

AM

icon
↑29° / ↓23°
Sky
Cloudy before noon.
Snow
Snowfall forecasted to be a trace in the early morning followed by another dusting before noon.
Precipitation
Potential Precip: 0.02 to 0.1 inches
Winds
Morning winds around the base NW 11 to 22 mph with gusts up to 28 mph. Wind chill expected to be 4 to 14 degrees through the morning.

PM

icon
↑32° / ↓27°
Sky
Mostly cloudy becoming partly cloudy into the evening.
Snow
Flurries possible through the afternoon and evening.
Precipitation
Potential Precip: trace amount
Winds
Afternoon winds around the base 20 to 32 mph with gusts up to 40 mph. Wind chill expected to be 7 to 15 degrees into the evening.
Hourly Temperatures at 8,166ft
temperature graph
Friday
↑47° / ↓27°
iconWinds: N 8 to 19 mph, then variable 3 to 10 mph
iconForecast Snow: 0"
icon

AM

icon
↑41° / ↓27°
Sky
Clear through the morning.
Snow
None expected.
Precipitation
None expected.
Winds
Morning winds around the base N 8 to 19 mph with gusts up to 24 mph. Expected wind chill to be 8 to 30 degrees through the morning.

PM

icon
↑47° / ↓41°
Sky
Clear through the afternoon and evening.
Snow
No snow.
Precipitation
No precipitation expected through the afternoon and evening.
Winds
Afternoon winds around the base variable at 3 to 10 mph. Expected wind chill to be 30 to 38 degrees into the evening.
Hourly Temperatures at 8,166ft
temperature graph
Saturday
↑53° / ↓41°
iconWinds: variable 2 to 9 mph, then variable 3 to 10 mph
iconForecast Snow: 0"
icon

AM

icon
↑49° / ↓41°
Sky
Clear becoming partly cloudy before noon.
Snow
None expected through the morning.
Precipitation
None expected through the morning.
Winds
Morning winds around the base variable at 2 to 9 mph. Wind chill expected to be 35 to 43 degrees through the morning.

PM

icon
↑53° / ↓46°
Sky
Partly cloudy through the afternoon and evening.
Snow
No snow.
Precipitation
None expected through the afternoon and evening.
Winds
Afternoon winds around the base variable at 3 to 10 mph. Expected wind chill to be 38 to 53 degrees into the evening.
Hourly Temperatures at 8,166ft
temperature graph
Sunday
↑53° / ↓41°
iconWinds: SW 8 to 19 mph, then SW 8 to 17 mph
iconForecast Snow: 0"
icon

AM

icon
↑52° / ↓43°
Sky
Mostly cloudy through the morning.
Snow
No snow in the morning hours.
Precipitation
None expected in the morning hours.
Winds
Morning winds around the base SW 8 to 19 mph with gusts up to 24 mph. Expected wind chill to be 33 to 43 degrees through the morning.

PM

icon
↑53° / ↓41°
Sky
Clear becoming mostly clear with a few clouds through the afternoon and evening.
Snow
No snow.
Precipitation
No precipitation expected through the afternoon and evening.
Winds
Afternoon winds around the base SW 8 to 17 mph with gusts up to 21 mph. Wind chill expected to be 28 to 43 degrees into the evening.
Hourly Temperatures at 8,166ft
temperature graph
Monday
↑55° / ↓41°
iconWinds: S 5 to 14 mph, then variable 1 to 8 mph
iconForecast Snow: 0"
icon

AM

icon
↑52° / ↓41°
Sky
Mostly clear with a few clouds becoming clear through the morning.
Snow
None expected in the morning hours.
Precipitation
No precipitation expected in the morning hours.
Winds
Morning winds around the base S 5 to 14 mph with gusts up to 18 mph. Wind chill expected to be 29 to 44 degrees through the morning.

PM

icon
↑55° / ↓43°
Sky
Clear becoming partly cloudy into the evening.
Snow
None expected.
Precipitation
No precipitation expected.
Winds
Afternoon winds around the base variable at 1 to 8 mph. Wind chill expected to be 33 to 46 degrees into the evening.
Hourly Temperatures at 8,166ft
temperature graph
Tuesday
↑51° / ↓34°
iconWinds: S 10 to 21 mph, then SW 5 to 14 mph
iconForecast Snow: 0"
icon

AM

icon
↑51° / ↓39°
Sky
Partly cloudy becoming mostly cloudy before noon.
Snow
None expected in the morning hours.
Precipitation
No precipitation expected in the morning hours.
Winds
Morning winds around the base S 10 to 21 mph. Wind chill expected to be 26 to 40 degrees through the morning.

PM

icon
↑51° / ↓34°
Sky
Partly cloudy becoming mostly clear with a few clouds through the afternoon and evening.
Snow
None expected.
Precipitation
No precipitation expected.
Winds
Afternoon winds around the base SW 5 to 14 mph. Wind chill expected to be 18 to 40 degrees into the evening.
Hourly Temperatures at 8,166ft
temperature graph

Snow Maker's Corner

Regional Soil Temperatures
  • Soil High Temperature33°
  • Soil Low Temperature32°
Summit Wet Bulb Temperatures (F)
chart
Base Wet Bulb Temperatures (F)
chart
Regional Soil Temperatures
  • Soil High Temperature37°
  • Soil Low Temperature32°
Summit Wet Bulb Temperatures (F)
chart
Base Wet Bulb Temperatures (F)
chart
Regional Soil Temperatures
  • Soil High Temperature41°
  • Soil Low Temperature35°
Summit Wet Bulb Temperatures (F)
chart
Base Wet Bulb Temperatures (F)
chart
Regional Soil Temperatures
  • Soil High Temperature49°
  • Soil Low Temperature38°
Summit Wet Bulb Temperatures (F)
chart
Base Wet Bulb Temperatures (F)
chart
Regional Soil Temperatures
  • Soil High Temperature52°
  • Soil Low Temperature40°
Summit Wet Bulb Temperatures (F)
chart
Base Wet Bulb Temperatures (F)
chart