Arnold, CA…The Detailed forecasts for West Slope Northern Sierra Nevada & Motherlode from the National Weather Service are below…

Rest Of Today Partly cloudy in the morning then becoming mostly sunny. Areas of smoke in the morning. A chance of rain showers. Highs 55 to 70 higher elevations…66 to 76 lower elevations. Prevailing south winds 10 to 20 mph with gusts to around 40 mph…except southwest 15 to 30 mph over ridges.
Tonight Areas of smoke in the evening. Clear, colder. Lows 36 to 51 higher elevations…45 to 60 lower elevations. Prevailing southeast winds up to 15 mph with gusts to around 30 mph.
Saturday Sunny. Highs 59 to 74 higher elevations…70 to 80 lower elevations. Prevailing southeast winds up to 10 mph shifting to the southwest in the afternoon.
Saturday Night Clear. Lows 41 to 56 higher elevations…50 to 63 lower elevations. Prevailing northwest winds up to 10 mph shifting to the east after midnight.
Sunday Mostly sunny. Warmer. Highs 63 to 78 higher elevations…75 to 85 lower elevations. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon.
Sunday Night Clear. Lows 45 to 60.
Monday Sunny. Highs 66 to 81.
Monday Night And Tuesday Mostly clear. Lows 44 to 59. Highs 66 to 81.
Tuesday Night Clear. Lows 43 to 58.
Wednesday Mostly sunny. Warmer. Highs 70 to 85.
Wednesday Night And Thursday Clear. Lows 45 to 60. Highs 70 to 85.

Detailed forecast for
Motherlode
Rest Of Today Mostly cloudy in the morning then clearing. A slight chance of rain showers. Highs 71 to 81. Prevailing southwest winds up to 15 mph.
Tonight Clear, cooler. Lows 48 to 60. Prevailing southwest winds up to 10 mph shifting to the east after midnight.
Saturday Sunny. Highs 75 to 83. Light winds becoming west up to 10 mph in the afternoon.
Saturday Night Clear. Lows 53 to 65. Prevailing northwest winds up to 10 mph shifting to the northeast after midnight.
Sunday Sunny. Highs 80 to 88. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon.
Sunday Night Mostly clear. Lows 55 to 67.
Monday Sunny. Highs 79 to 89.
Monday Night Mostly clear. Lows 55 to 67.
Tuesday And Tuesday Night Clear. Highs 78 to 86. Lows 53 to 67.
Wednesday Mostly sunny. Highs 81 to 89.
Wednesday Night And Thursday Clear. Lows 55 to 65. Highs 81 to 89.