Weather at Lassen generally falls under winter or summer conditions. Winter weather and conditions exists approximately November to May and summer conditions exist June through October. Spring and fall tend to be shoulder seasons. Winter conditions usually persist well into June in the higher elevations of the park (Lassen Peak area). Spring snow storms can occur as late as June. Cooler temperatures in the fall season make for excellent hiking weather with occasional snow showers occurring in higher elevations in October. Weather Forecasts and WebcamsManzanita Lake (Loomis Plaza) Weather Forecast | Webcam Air Quality and Smoke ImpactsLearn more about air quality in the park and find information about smoke impacts and other air quality conditions.Climate Statistics - Manzanita Lake (Elevation 5850')
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Last updated: December 27, 2020