Rattlesnake Hill· North Sierra· conditions updating now
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Rattlesnake Hill

Peak · 6,174 ft · North Sierra corridor

Rattlesnake Hill is a 6174-foot peak in California's North Sierra corridor, positioned between major lakes and high-country passes. Typically calmer and warmer than exposed ridges at similar elevation.

Today
18
NoGo Score · Go · excellent
Temp
65°F
Wind
9 mph
Vis
7 mi
Precip
0.00"
AQI
40
Cloud
100%

Wind averages 6 mph but funnels sharply in afternoon hours as thermal circulation strengthens. Morning windows close by mid-day. Snow lingers into late spring on north aspects. Exposure on the open summit rewards early starts.

The 30-day average wind of 6 mph masks strong afternoon acceleration; the rolling 30-day score of 35.0 reflects frequent afternoon deterioration. Expect near-freezing mornings (44-degree 30-day average) and potential snow squalls through late spring. The week ahead will show whether calm mornings hold or wind ramps earlier.

30 days back / 7 days forward

NoGo Score
avg 12 · today 12
NoGo Score trend for Rattlesnake Hill: 30-day average 12, range 10 to 16; 6 days of forecastLine chart showing nogo score over 31 historical days and 6 days of forecast.
30-day average 12 (excellent); range 10 on Aug 24 to 16 on Aug 8. 7-day forecast trends in line with the historical average.
Wind
avg 10 · today 10mph
Wind speed trend for Rattlesnake Hill: 30-day average 10 mph, peak 11 mph on Aug 22Line chart showing wind over 31 historical days and 6 days of forecast.
30-day average 10 mph; peak 11 mph on Aug 22. Week ahead peaks at 12 mph on Aug 30.
Temperature
avg 74 · today 66°F
Temperature trend for Rattlesnake Hill: 30-day average 74°F, range 66 to 84°FLine chart showing temperature over 31 historical days and 6 days of forecast.
30-day average 74°F; range 66 (Aug 28) to 84 (Aug 8). Holding steady.
Crowding
avg 9 · today 7
Crowding trend for Rattlesnake Hill: typically quietLine chart showing crowding over 31 historical days and 6 days of forecast.
Typically quiet (avg 9); peak 15 on Aug 2.

Today's score by factor

Weather10
Crowding26
Avalanche10
Fire0
Traffic
Air quality8
Trails5
Seasonality50

About Rattlesnake Hill

Rattlesnake Hill stands in the North Sierra corridor at 6174 feet, accessible from Highway 395 via secondary roads leading into the high country between Lake Almanor and the Feather River drainage. The peak itself sits on a ridge system that funnels weather from the northwest and exposes the summit to afternoon wind acceleration common across the Sierra's eastern slope. Primary access involves Forest Service roads that become snow-blocked in winter and muddy during spring thaw; check road conditions before departure. The nearest reliable trailhead parking is scattered across unpaved turnouts within 2 to 4 miles of the summit approach.

Conditions at Rattlesnake Hill swing sharply between early morning and afternoon. The 30-day rolling average wind of 6 mph and temperature of 44 degrees masks the real pattern: calm mornings (often under 4 mph) yield to 10 to 16 mph sustained wind by mid-afternoon as thermal circulation kicks in. Winter and early spring bring avalanche hazard on north-facing drainages; the SAC avalanche center covers this zone. Late-spring snowpack lingers above 6000 feet through May, requiring snow travel assessment on approach gullies. Crowding remains low (5.0 average) compared to Tahoe-basin destinations, but weekends after Highway 89 or 120 opens see local weekend traffic.

Rattlesnake Hill suits climbers and mountaineers seeking high-elevation training without permit complexity or valley congestion. The approach rewards fitness and navigation skill; exposed terrain above 5800 feet demands avalanche awareness and weather discipline. Experienced Sierra scramblers plan for morning summit attempts, departing before 6 am to clear the peak before thermal wind onset. Snow and mud are the primary hazards April through May; by July, rockfall risk increases on steep gullies. Parking fill-up rarely occurs, but Forest Service gate closures due to snow or washout can block access without warning.

Rattlesnake Hill pairs naturally with nearby peaks in the northern Sierra ridge system, including terrain accessible from Highway 395 campgrounds and the Feather River corridor. Visitors comparing this location to more famous Tahoe-basin peaks (Mount Rose, Relay Peak) should expect higher wind exposure and longer sustained afternoon acceleration here, offset by lower crowds and clearer morning weather windows in spring. The North Sierra corridor as a whole experiences more stable snow patterns and less lake-moderated wind than Tahoe's western slope, making Rattlesnake Hill a reliable alternative for those seeking solitude during busy season.

Best times to visit Rattlesnake Hill

Best day
Tuesday or Wednesday morning before 8 am
Best season
Late May through September
Watch for
Afternoon thermal wind and avalanche terrain in spring snowpack

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