Arnold, CA…The National Weather Forecasts for this week for the Mother Lode Region and West Slope Northern Sierra Nevada. Tonight Clear, cooler. Lows 43 to 58 higher elevations…52 to 66 lower elevations. Prevailing southwest winds up to 10 mph shifting to the east after midnight. Wednesday Sunny. Highs 67 to 82 higher elevations…79 to 89 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon.

Wednesday Night Mostly clear. Lows 45 to 60 higher elevations…55 to 69 lower elevations. Prevailing southwest winds up to 10 mph shifting to the southeast after midnight.

Thursday Sunny. Highs 66 to 81 higher elevations…79 to 89 lower elevations. Prevailing southwest winds up to 15 mph.

Thursday Night Mostly clear. Lows 44 to 59 higher elevations… 53 to 67 lower elevations. Prevailing southwest winds 5 to 15 mph shifting to the southeast after midnight.

Friday Sunny. Highs 68 to 83. Friday Night Clear. Lows 46 to 61. Saturday Through Monday Clear. Highs 71 to 86. Lows 48 to 63. Monday Night And TuesdayMostly clear. Lows 50 to 65. Highs 72 to 87.

Detailed forecast for Mother lode. Tonight Clear. Lows 56 to 66. Prevailing west winds up to 10 mph in the evening becoming light.

Wednesday Sunny. Highs 85 to 97. Light winds becoming southwest up to 10 mph in the afternoon.

Wednesday Night Mostly clear. Lows 59 to 69. Prevailing west winds up to 10 mph shifting to the east after midnight.

Thursday Sunny. Highs 84 to 96. Light winds becoming southwest up to 10 mph in the afternoon.

Thursday Night Mostly clear. Lows 56 to 66. Prevailing southwest winds 5 to 15 mph in the evening becoming light.

Friday Sunny. Highs 80 to 92.

Friday Night Clear. Lows 55 to 65.

Saturday Through Tuesday Clear. Highs 82 to 96. Lows 55 to 69.