Arnold, CA…Detailed forecast for West Slope Northern Sierra Nevada from the National Weather Service. Tonight, Clear. Lows 46 to 61 higher elevations…58 to 73 lower elevations. Prevailing northwest winds up to 10 mph shifting to the east after midnight. Wednesday, Mostly sunny. Highs 68 to 83 higher elevations… 82 to 92 lower elevations. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon.

Wednesday Night
Mostly clear. Lows 45 to 60 higher elevations…57 to 69 lower elevations. Prevailing southwest winds up to 10 mph shifting to the southeast after midnight.
Thursday
Mostly sunny. Highs 63 to 78 higher elevations… 75 to 87 lower elevations. Prevailing southeast winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph.
Thursday Night
Mostly cloudy in the evening then clearing. Colder. Lows 41 to 56 higher elevations…52 to 62 lower elevations. Prevailing southwest winds 5 to 15 mph shifting to the southeast after midnight. Gusts up to 30 mph.
Friday
Partly cloudy. Highs 61 to 76.
Friday Night
Partly cloudy. Colder. Lows 40 to 55.
Saturday
Partly cloudy. Highs 56 to 71.
Saturday Night
Mostly clear. Colder. Lows 35 to 50.
Sunday Through Monday Night
Clear. Highs 55 to 70. Lows 36 to 51.
Tuesday
Sunny, warmer. Highs 64 to 79.

Detailed forecast for
Motherlode
Tonight
Clear. Lows 62 to 72. Prevailing northwest winds up to 10 mph shifting to the northeast after midnight.
Wednesday
Mostly sunny. Highs 87 to 99. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon.
Wednesday Night
Mostly clear. Lows 60 to 68. Prevailing southwest winds up to 10 mph shifting to the east after midnight.
Thursday
Mostly sunny. Highs 79 to 91. Prevailing southeast winds up to 10 mph shifting to the southwest in the afternoon.
Thursday Night
Mostly cloudy in the evening then clearing. Cooler. Lows 54 to 60. Prevailing southwest winds up to 10 mph in the evening becoming light.
Friday
Partly cloudy. Highs 76 to 86.
Friday Night
Mostly clear. Lows 51 to 57.
Saturday And Saturday Night
Mostly clear. Highs 70 to 82. Lows 47 to 57.
Sunday Through Memorial Day
Clear. Highs 68 to 83. Lows 46 to 55.
Monday Night And Tuesday
Clear. Lows 51 to 59. Highs 74 to 89.