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Alta Sierra, California Weather

Alta Sierra, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Alta Sierra, Nevada County.

🌡️ Current Conditions
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24-Hour Forecast
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Alta Sierra — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Alta Sierra and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

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About Alta Sierra, California

Alta Sierra unfolds across rolling hills, a landscape softened by scattered ponderosa pines and the occasional sturdy oak, their branches reaching like gnarled fingers towards a sky that often bleeds into shades of cerulean and dusky rose. It lies 21.5 miles north-east of Lincoln, CA (from Lincoln, CA: bearing 37°T), and is situated 5.4 miles south of Grass Valley. The air here carries a crispness, a clean scent of pine needles and dry earth, particularly potent after a summer rain, and the sunlight, when it filters through the canopy, paints the winding roads in shifting patterns of gold. This is a place where the contours of the land dictate the flow of life, where homes are often set back from the asphalt, suggesting a desire for quietude and a connection to the surrounding wildness. The history of Alta Sierra is deeply entwined with the gold rush era that shaped so much of Nevada County, though its own development as a residential community largely blossomed in the mid-20th century. While the echoes of pickaxes and sluice boxes may have faded, a spirit of self-reliance and a connection to the land persist, often manifesting in the local economy's embrace of small-scale agriculture, artisanal crafts, and services catering to the needs of its residents. The community itself, spread across several miles, lacks a single bustling downtown, instead offering a mosaic of local businesses and gathering spots that reflect the dispersed nature of life in Alta Sierra.

LocationAlta Sierra, Nevada County, California
Coordinates39.141562°N, 121.053837°W
TimezonePacific Time (America/Los_Angeles)
Area Code209, 213, 279, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 820, 831, 858, 909, 916, 925, 949, 951
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service