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Mammoth, CA Weather Forecast
Mammoth, CA Weather Forecast Date: 239 PM PDT Mon Sep 07 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 30s to lower 40s. Northwest winds around 5 mph.
Tuesday... Sunny. Highs in the mid 70s to lower 80s. North winds around 5 mph shifting to the east in the late morning and afternoon.
Tuesday Night... Mostly clear. Lows in the mid 40s to lower 50s. Northeast winds around 5 mph shifting to the southeast after midnight.
Wednesday... Sunny. Highs in the lower to mid 80s. East winds around 5 mph shifting to the northwest late in the afternoon.
Wednesday Night... Mostly clear. Lows in the lower to mid 50s. Northwest winds around 5 mph in the evening becoming light, then becoming southwest around 5 mph well after midnight.
Thursday... Mostly clear. Highs in the lower to mid 80s. Lows in the lower to mid 50s.
Thursday Night... Mostly clear. Highs in the lower to mid 80s. Lows in the lower to mid 50s.
Friday... Mostly clear. Highs in the mid 70s to lower 80s. Lows in the mid 40s to lower 50s.
Friday Night... Mostly clear. Highs in the mid 70s to lower 80s. Lows in the mid 40s to lower 50s.
Saturday... Mostly clear. Highs in the lower 60s to lower 70s. Lows in the lower to mid 40s.
Sunday... Mostly clear. Highs in the lower 60s to lower 70s. Lows in the lower to mid 40s.
POP = Probability of Precipitation
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