Expires:202607202300;;281236 FPUS56 KSTO 200902 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 202 AM PDT Mon Jul 20 2026 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Tuesday. CAZ139-202300- Sierra (Cal-Tuo) Above 5000 ft- Including the city of Twain Harte, Arnold 202 AM PDT Mon Jul 20 2026 .TODAY...Mostly sunny. Highs 71 to 81. Light winds becoming southwest around 10 mph with gusts to around 20 mph in the afternoon. .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain. Lows 54 to 64. West winds up to 10 mph in the evening becoming light. .TUESDAY...Partly cloudy in the morning, then mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 70 to 80. Southwest winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain in the evening, then mostly clear after midnight. Lows 53 to 63. West winds up to 10 mph in the evening becoming light. .WEDNESDAY...Mostly sunny. Highs 73 to 83. Light winds becoming west around 10 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 52 to 62. .THURSDAY...Sunny. Highs 73 to 83. .THURSDAY NIGHT AND FRIDAY...Clear. Lows 52 to 62. Highs 73 to 83. .FRIDAY NIGHT...Mostly clear. Lows 53 to 63. .SATURDAY THROUGH SUNDAY...Clear. Highs 74 to 84. Lows 53 to 63. $$ =