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Off Stream Reservoir, CA 7-Day Night Weather Forecast
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Off Stream Reservoir, CA Weather Forecast
Off Stream Reservoir, CA Weather Forecast Date: 231 AM PDT Fri Sep 11 2026
The area/counties/county of: Lassen, including the cities of: Portola, Susanville, Westwood, Sierraville, and Loyalton.or toggle through each period.
Today... Sunny. Highs 80 to 90. West winds 10 to 15 mph. Gusts up to 35 mph in the afternoon.
Tonight... Clear. Lows 43 to 53. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Saturday... Sunny. Highs 73 to 83. Southwest winds around 10 mph with gusts up to 30 mph increasing to 20 to 30 mph with gusts up to 45 mph in the afternoon.
Saturday Night... Clear. Lows 31 to 41. Southwest winds 15 to 25 mph shifting to the west 10 to 15 mph after midnight. Gusts up to 45 mph.
Sunday... Sunny. Highs 63 to 73. Light winds becoming northwest around 10 mph in the afternoon.
Sunday Night... Clear. Lows 33 to 43.
Monday... Clear. Highs 70 to 80. Lows 38 to 48.
Tuesday... Clear. Highs 70 to 80. Lows 38 to 48.
Wednesday... Clear. Highs 70 to 80. Lows 38 to 48.
POP = Probability of Precipitation
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