Expires:202605161100;;640096 FPUS56 KSTO 160632 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 1132 PM PDT Fri May 15 2026 Spot temperatures and probabilities of measurable precipitation are for tonight, Saturday, Saturday night, and Sunday. CAZ131-161100- N. Motherlode 1000-3000 ft- Including the city of Auburn, Grass Valley, Colfax, Nevada City 1132 PM PDT Fri May 15 2026 .TONIGHT...Mostly clear. Lows 48 to 56. Light winds. .SATURDAY...Sunny. Highs 70 to 78. Northwest winds up to 10 mph with gusts to around 20 mph. .SATURDAY NIGHT...Clear. Lows 47 to 53. Light winds. Gusts up to 20 mph. .SUNDAY...Sunny. Highs 67 to 77. North winds up to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Clear. Lows 48 to 56. Northeast winds 10 to 15 mph. Gusts up to 30 mph decreasing to 20 mph after midnight. .MONDAY...Sunny, warmer. Highs 75 to 83. .MONDAY NIGHT...Clear. Lows 50 to 58. .TUESDAY AND TUESDAY NIGHT...Clear. Highs 77 to 87. Lows 50 to 60. .WEDNESDAY THROUGH FRIDAY...Clear. Highs 83 to 93. Lows 53 to 63. && TEMPERATURE / PRECIPITATION GRASS VALLEY 49 72 48 70 / 0 0 0 0 JACKSON 53 76 51 76 / 0 0 0 0 $$ =