| NWS Forecast for: Western Plumas County/Lassen Park Issued by: National Weather Service Sacramento, CA Last Update: 700 AM PST Sun Jan 18 2026 |  |
| Today: Mostly cloudy in the morning then becoming partly cloudy. Highs 45 to 60 higher elevations...50 to 65 lower elevations. Light winds. Tonight: Clear. Lows 29 to 44. Prevailing northeast winds up to 10 mph. Martin Luther King Jr Day: In the valleys, patchy dense fog in the morning. Sunny. Highs 42 to 57 higher elevations...49 to 64 lower elevations. Prevailing northeast winds up to 10 mph. Monday Night: Clear. In the valleys, patchy dense fog after midnight. Colder. Lows 26 to 41. Prevailing northeast winds up to 10 mph with gusts to around 25 mph. Tuesday: In the valleys, patchy dense fog in the morning. Mostly sunny. Highs 43 to 58 higher elevations...48 to 63 lower elevations. Prevailing northeast winds up to 10 mph. Tuesday Night: Mostly clear. Lows 28 to 43. Wednesday: Partly cloudy. Highs 46 to 61. Wednesday Night And Thursday: Mostly clear. Lows 30 to 45. Highs 44 to 59. Thursday Night: Mostly clear. Patchy dense fog. Colder. Lows 27 to 42. Friday: Mostly sunny. Highs 41 to 56. Friday Night And Saturday: Mostly clear. A slight chance of rain and snow. Lows 26 to 41. Highs 40 to 55. | |
| Zone Forecast: Western Plumas County/Lassen Park | |
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