Weather WorldLake Norvell, CA 7-Day Night Weather Forecast
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Lake Norvell, CA Weather Forecast
Lake Norvell, CA Weather Forecast Date: 231 PM PDT Fri Sep 18 2026
The area/counties/county of: Lassen, including the cities of: Portola, Susanville, Westwood, Sierraville, and Loyalton.or toggle through each period.
Tonight... Clear. Lows 37 to 47. North winds around 10 mph in the evening becoming light.
Saturday... Sunny. Highs 72 to 82. Light winds becoming east around 10 mph in the afternoon.
Saturday Night... Clear. Lows 40 to 50. Light winds.
Sunday... Mostly cloudy in the morning then becoming partly cloudy. Highs 75 to 85. Light winds becoming southeast around 10 mph in the afternoon.
Sunday Night... Mostly cloudy. Lows 43 to 53. Light winds.
Monday... Mostly cloudy in the morning then becoming partly cloudy. Highs 76 to 86.
Monday Night... Partly cloudy. Lows 44 to 54.
Tuesday... Clear. Highs 79 to 89. Lows 43 to 53.
Wednesday... Clear. Highs 79 to 89. Lows 43 to 53.
Thursday... Clear. Highs 79 to 89. Lows 43 to 53.
Thursday Night... Partly cloudy. Lows 44 to 54. Highs 76 to 86.
POP = Probability of Precipitation
Lake Norvell Radar Loop
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