Mount Muir· Eastern Sierra· conditions updating now
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Mount Muir

Peak · 14,019 ft · Eastern Sierra corridor

Mount Muir stands at 14,019 feet in the Eastern Sierra, a high alpine peak accessible from the Inyo National Forest. Winter and spring conditions dominate; avalanche terrain requires experience.

Today
23
NoGo Score · Go · excellent
Temp
37°F
Wind
27 mph
Vis
8 mi
Precip
0.00"
AQI
10
Cloud
37%

Wind averages 12 mph but gusts to 43 mph in afternoon thermals. Exposure is extreme; afternoon wind funnels off the surrounding ridges and lake basins. Morning calm windows close by mid-day. Crowding remains light year-round.

Over the past 30 days, the average NoGo Score was 36.0, with temperatures averaging 16 degrees and wind at 12 mph. The week ahead tracks typical spring volatility for this elevation; watch for afternoon wind spikes and lingering snowpack instability on steep north-facing slopes. Conditions shift rapidly with time of day.

30 days back / 7 days forward

NoGo Score
avg 14 · today 17
NoGo Score trend for Mount Muir: 30-day average 14, range 12 to 18; 7 days of forecastLine chart showing nogo score over 31 historical days and 7 days of forecast.
30-day average 14 (excellent); range 12 on Aug 3 to 18 on Aug 15. 7-day forecast trends in line with the historical average.
Wind
avg 12 · today 20mph
Wind speed trend for Mount Muir: 30-day average 12 mph, peak 20 mph on Aug 28Line chart showing wind over 31 historical days and 7 days of forecast.
30-day average 12 mph; peak 20 mph on Aug 28. Week ahead peaks at 24 mph on Sep 4.
Temperature
avg 46 · today 43°F
Temperature trend for Mount Muir: 30-day average 46°F, range 39 to 52°FLine chart showing temperature over 31 historical days and 7 days of forecast.
30-day average 46°F; range 39 (Aug 14) to 52 (Aug 1). Holding steady.
Crowding
avg 5 · today 5
Crowding trend for Mount Muir: typically quietLine chart showing crowding over 31 historical days and 7 days of forecast.
Typically quiet (avg 5); peak 7 on Aug 15.

Today's score by factor

Weather27
Crowding13
Avalanche10
Fire0
Traffic
Air quality2
Trails20
Seasonality52

About Mount Muir

Mount Muir sits at 14,019 feet in the Eastern Sierra backcountry, east of the Sierra crest near Kearsarge Pass and the Inyo National Forest. Primary access runs through the town of Lone Pine via US Highway 395; the Kearsarge Pass Trail or high-country scrambles from the Onion Valley area form the standard approach. The peak sits in avalanche terrain and requires mountaineering experience, navigation skill, and avalanche awareness. Most ascents occur in late spring through early autumn when snowpack consolidates and weather windows open.

Spring conditions at Mount Muir are characterized by lingering snow, instability on steep slopes, and afternoon wind that builds reliably by noon. The 30-day average temperature of 16 degrees reflects late winter and early spring; highs reach the mid-30s Fahrenheit on calm days, while nights drop below freezing year-round at this elevation. Wind averages 12 mph over rolling 30 days but gusts to 43 mph, compressed into afternoon thermals and ridge-funneling. Crowding stays at 2.0 on the NoGo scale, far lighter than Yosemite or Whitney, because the peak demands technical climbing and off-trail navigation.

Mount Muir suits climbers and mountaineers with winter or spring alpine experience. Hikers without scrambling skill or avalanche awareness should avoid the peak entirely. Expect deep snowpack, exposed rock, and route-finding complexity. Park at Onion Valley trailhead early; lots fill by mid-morning on weekends. Carry an avalanche beacon, probe, and shovel if traveling before late May. The peak remains exposed to wind and lightning; afternoon storms arrive without warning.

Nearby alternatives include Kearsarge Peak (13,823 feet, less technical, slightly lower elevation) and the Kearsarge Lakes basin (easier access, no climbing). Mount Whitney dominates the corridor 12 miles south and draws far higher crowds; Mount Muir offers genuine solitude at the cost of greater technical demand. The Eastern Sierra avalanche forecast covers Inyo County terrain; consult current stability assessments before heading to high-country slopes.

Best times to visit Mount Muir

Best day
Tuesday or Wednesday morning
Best season
Late May to early September
Watch for
Avalanche terrain; afternoon wind and lightning

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