Lassen Peak is a mountain in the Cascade in California that rises to 10,457 ft. Active California stratovolcano. It lies in Shasta County, CA. It sits at approximately 40.488°N, 121.505°W. BloomWX gives an altitude-aware forecast: temperature and wind at the summit (not just the trailhead), the freezing level, sky cover for sunrise and dark-sky viewing, fire-weather and air-quality signals, and any active alerts. Data refreshes every 60 seconds from weather.gov, NOAA SWPC, and EPA AirNow.
Learn to read a surface analysis and wind barbs, and browse more US mountain peaks. See more California weather.