Live National Weather Service alerts, NEXRAD weather radar, hourly forecast, fire-weather outlook, air quality, and 5-day forecast for Lassen Volcanic National Park, California. Established in 1916 and covering 166 square miles. Located in Shasta County, CA. The park is known for its volcanic-zone climate with deep winter snow (600+ inches at Lassen Peak), short summer access window (late June through mid-October), and active hydrothermal steam from Bumpass Hell and Sulphur Works. Free, no login, no ads.
Lassen Volcanic National Park sits at approximately 40.498°N, 121.421°W. BloomWX surfaces signals that matter for park visitors: hourly weather tied to the park's NWS gridpoint, fire-weather outlooks where relevant, air quality (often degraded by wildfire smoke in summer), sunrise and sunset times for dark-sky observing, and any active alerts for the area. Data refreshes every 60 seconds from weather.gov, USGS, NOAA SWPC, and EPA AirNow. See all California weather dashboards on BloomWX.
BloomWX is a free, ad-free weather operations dashboard. Re-presents official government weather data verbatim — no proprietary forecasts, no consumer-app cruft. Read the BloomWX learn library for beginner-friendly explainers on every surface, including fire weather outlooks, air quality, and NEXRAD radar.