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Mammoth, CA Weather Forecast
Mammoth, CA Weather Forecast Date: 239 PM PDT Fri Oct 23 2026
The area/counties/county of: Northeast Siskiyou And Northwest Modoc Counties, including the cities of: Newell, Tulelake, Dorris, and Macdoel.or toggle through each period.
Tonight... Mostly clear. Lows in the mid 20s to lower 30s. North winds 5 to 10 mph shifting to the northeast late this evening and overnight.
Saturday... Sunny. Highs in the mid 50s to lower 60s. East winds around 5 mph.
Saturday Night... Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 30s. Southeast winds around 5 mph.
Sunday... Partly cloudy. Highs in the lower to mid 60s. Southeast winds around 5 mph shifting to the southwest late in the afternoon.
Sunday Night... Partly cloudy. A 10% chance of rain after midnight. Lows in the lower to mid 30s. South winds 10 to 15 mph.
Monday... Partly cloudy in the morning then becoming mostly cloudy. Chance of rain. Highs in the lower to mid 50s.
Monday Night... Partly cloudy. Slight chance of rain in the evening. Lows in the mid 20s to lower 30s.
Tuesday... Partly cloudy. Highs in the lower 50s to lower 60s. Lows in the mid 20s to mid 30s.
Wednesday... Partly cloudy. Highs in the lower 50s to lower 60s. Lows in the mid 20s to mid 30s.
Thursday... Partly cloudy. Highs in the lower 50s to lower 60s. Lows in the mid 20s to mid 30s.
POP = Probability of Precipitation
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