


Zone Forecast Product
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
576 FPUS56 KSTO 190723 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 1223 AM PDT Tue Aug 19 2025 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Wednesday. CAZ013-192300- Shasta Lake Area / Northern Shasta County- Including the city of Shasta Dam 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny, warmer. Highs 75 to 90 higher elevations...86 to 94 lower elevations. Light winds becoming south up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 50 to 65 higher elevations...58 to 68 lower elevations. Light winds. Gusts up to 20 mph. .WEDNESDAY...Sunny, warmer. Highs 81 to 96 higher elevations... 91 to 101 lower elevations. Light winds. .WEDNESDAY NIGHT...Clear. Lows 54 to 69 higher elevations...63 to 73 lower elevations. Light winds becoming north up to 10 mph after midnight. .THURSDAY...Sunny, warmer. Highs 87 to 102 higher elevations... 97 to 107 lower elevations. Prevailing north winds up to 10 mph shifting to the east in the afternoon. .THURSDAY NIGHT...Clear. Lows 57 to 72. .FRIDAY...Mostly sunny. Highs 88 to 103. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 59 to 74. Highs 88 to 103. .SATURDAY NIGHT THROUGH MONDAY...Clear. Lows 60 to 75. Highs 88 to 103. && TEMPERATURE / PRECIPITATION SHASTA DAM 92 66 98 / 0 0 0 $$ = CAZ014-192300- Burney Basin / Eastern Shasta County- Including the city of Burney 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs 76 to 87. Light winds becoming west up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 41 to 56. Prevailing west winds up to 10 mph with gusts to around 25 mph in the evening becoming light. .WEDNESDAY...Sunny, warmer. Highs 80 to 92. Light winds. .WEDNESDAY NIGHT...Clear. Lows 45 to 58. Light winds. .THURSDAY...Sunny, warmer. Highs 87 to 99. Light winds. .THURSDAY NIGHT...Clear. Lows 50 to 62. .FRIDAY...Mostly sunny. Highs 87 to 98. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 52 to 64. Highs 87 to 98. .SATURDAY NIGHT THROUGH MONDAY...Clear. Lows 51 to 66. Highs 84 to 98. && TEMPERATURE / PRECIPITATION BURNEY 84 46 89 / 0 0 0 $$ = CAZ015-192300- Northern Sacramento Valley- Including the cities of Redding and Red Bluff 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs around 91. Light winds becoming south up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 59 to 67. South winds up to 10 mph in the evening becoming light. .WEDNESDAY...Sunny. Highs 95 to 101. North winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 64 to 72. Northwest winds up to 10 mph. .THURSDAY...Sunny. Highs 100 to 106. North winds up to 10 mph. .THURSDAY NIGHT...Clear. Lows 66 to 74. .FRIDAY...Mostly sunny. Highs around 102. .FRIDAY NIGHT...Mostly clear. Lows 69 to 75. .SATURDAY THROUGH MONDAY...Clear. Highs 98 to 105. Lows 68 to 75. && TEMPERATURE / PRECIPITATION REDDING 94 60 100 / 0 0 0 RED BLUFF 92 63 99 / 0 0 0 $$ = CAZ016-192300- Central Sacramento Valley- Including the cities of Chico, Oroville, and Marysville/Yuba City 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs around 89. Light winds becoming south up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 56 to 64. South winds up to 10 mph in the evening becoming light. .WEDNESDAY...Sunny. Highs around 96. North winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 62 to 70. Northwest winds up to 10 mph. .THURSDAY...Sunny. Highs around 99. Light winds becoming northwest up to 10 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 64 to 72. .FRIDAY...Mostly sunny. Highs around 100. .FRIDAY NIGHT...Mostly clear. Lows 65 to 73. .SATURDAY THROUGH MONDAY...Clear. Highs around 99. Lows 64 to 73. && TEMPERATURE / PRECIPITATION CHICO 91 65 98 / 0 0 0 OROVILLE 91 61 98 / 0 0 0 MARYSVILLE/YUBA CITY 91 58 98 / 0 0 0 $$ = CAZ017-192300- Southern Sacramento Valley- Including the city of Sacramento 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs 87 to 93. Southwest winds up to 10 mph. .TONIGHT...Clear. Lows 53 to 63. South winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY...Sunny. Highs 94 to 100. Northwest winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 61 to 71. West winds up to 10 mph in the evening becoming light. .THURSDAY...Sunny. Highs 97 to 103. West winds up to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 61 to 70. .FRIDAY...Mostly sunny. Highs 97 to 103. .FRIDAY NIGHT...Mostly clear. Lows 62 to 72. .SATURDAY THROUGH MONDAY...Clear. Highs 94 to 103. Lows 61 to 71. && TEMPERATURE / PRECIPITATION SACRAMENTO 91 59 98 / 0 0 0 SAC EXEC AIRPORT 90 58 98 / 0 0 0 $$ = CAZ018-192300- Carquinez Strait and Delta- Including the city of Fairfield/Suisun 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs 82 to 88. West winds 10 to 15 mph. .TONIGHT...Clear. Lows around 57. Southwest winds up to 15 mph with gusts to around 25 mph. .WEDNESDAY...Sunny, warmer. Highs 90 to 96. West winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY NIGHT...Clear. Lows 59 to 65. West winds 10 to 15 mph. .THURSDAY...Sunny. Highs 92 to 98. West winds up to 10 mph with gusts to around 20 mph. .THURSDAY NIGHT...Mostly clear. Lows 59 to 65. .FRIDAY...Mostly sunny. Highs 90 to 96. .FRIDAY NIGHT THROUGH MONDAY...Clear. Lows 57 to 67. Highs 89 to 95. && TEMPERATURE / PRECIPITATION FAIRFIELD/SUISUN 89 57 98 / 0 0 0 $$ = CAZ019-192300- Northern San Joaquin Valley- Including the cities of Stockton and Modesto 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs 86 to 92. Northwest winds up to 10 mph with gusts to around 20 mph. .TONIGHT...Clear. Lows 54 to 64. Northwest winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY...Sunny. Highs 90 to 98. Northwest winds up to 15 mph. .WEDNESDAY NIGHT...Clear. Lows 60 to 70. Northwest winds up to 10 mph with gusts to around 20 mph. .THURSDAY...Mostly sunny. Highs 96 to 102. Northwest winds up to 10 mph. Gusts up to 20 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 63 to 73. .FRIDAY...Mostly sunny. Highs 97 to 103. .FRIDAY NIGHT...Mostly clear. Lows 64 to 74. .SATURDAY THROUGH MONDAY...Clear. Highs 95 to 102. Lows 64 to 74. && TEMPERATURE / PRECIPITATION STOCKTON 92 57 98 / 0 0 0 MODESTO 91 61 96 / 0 0 0 $$ = CAZ063-192300- Mountains Southwestern Shasta County to Western Colusa County- Including the city of Alder Springs 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny, warmer. Highs 70 to 85 higher elevations...86 to 91 lower elevations. Light winds becoming southeast up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 55 to 67 higher elevations...63 to 71 lower elevations. Prevailing southwest winds up to 10 mph shifting to the northwest after midnight. .WEDNESDAY...Sunny, warmer. Highs 75 to 90 higher elevations... 92 to 98 lower elevations. Prevailing northwest winds up to 10 mph shifting to the northeast in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 59 to 73 higher elevations...69 to 77 lower elevations. Prevailing northwest winds up to 10 mph. .THURSDAY...Sunny, warmer. Highs 81 to 96 higher elevations... 97 to 103 lower elevations. Prevailing northwest winds up to 10 mph shifting to the east in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 63 to 77. .FRIDAY...Mostly sunny. Highs 84 to 99. .FRIDAY NIGHT...Mostly clear. Lows 65 to 79. .SATURDAY THROUGH MONDAY...Clear. Highs 84 to 99. Lows 64 to 79. && TEMPERATURE / PRECIPITATION ALDER SPRINGS 76 61 83 / 0 0 0 $$ = CAZ066-192300- Northeast Foothills/Sacramento Valley- Including the city of Paradise 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny, warmer. Highs 80 to 92. Light winds becoming southwest up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 59 to 69. Light winds. .WEDNESDAY...Sunny, warmer. Highs 83 to 95 higher elevations... 90 to 98 lower elevations. Light winds becoming west up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 64 to 74. Light winds becoming northeast up to 10 mph after midnight. .THURSDAY...Sunny, warmer. Highs 89 to 103. Prevailing northeast winds up to 10 mph in the morning becoming light. .THURSDAY NIGHT...Mostly clear. Lows 67 to 77. .FRIDAY...Mostly sunny. Highs 91 to 103. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 68 to 78. Highs 91 to 103. .SATURDAY NIGHT THROUGH MONDAY...Clear. Lows 68 to 78. Highs 88 to 103. && TEMPERATURE / PRECIPITATION PARADISE 84 66 90 / 0 0 0 $$ = CAZ067-192300- Motherlode- Including the cities of Grass Valley and Jackson 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs 82 to 90. Light winds becoming west up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 57 to 67. Light winds. .WEDNESDAY...Sunny, warmer. Highs 87 to 97. Light winds becoming west up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 63 to 71. Prevailing northwest winds up to 10 mph in the evening becoming light. .THURSDAY...Sunny. Highs 91 to 101. Light winds becoming west up to 10 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 66 to 76. .FRIDAY...Mostly sunny. Highs 94 to 102. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 67 to 77. Highs 93 to 102. .SUNDAY...Partly cloudy with a slight chance of rain showers. Highs 91 to 101. .SUNDAY NIGHT...Clear. Lows 66 to 76. .MONDAY...Mostly sunny. Highs 89 to 99. && TEMPERATURE / PRECIPITATION GRASS VALLEY 84 59 90 / 0 0 0 JACKSON 87 60 93 / 0 0 0 $$ = CAZ068-192300- Western Plumas County/Lassen Park- Including the cities of Chester and Quincy 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny, warmer. Highs 66 to 81 higher elevations...72 to 87 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. .TONIGHT...Clear. Lows 46 to 61. Prevailing southwest winds up to 10 mph in the evening becoming light. .WEDNESDAY...Sunny, warmer. Highs 71 to 86 higher elevations... 77 to 92 lower elevations. Light winds. .WEDNESDAY NIGHT...Clear. Lows 51 to 66. Prevailing west winds up to 10 mph shifting to the northeast after midnight. .THURSDAY...Sunny, warmer. Highs 77 to 92 higher elevations... 83 to 98 lower elevations. Prevailing northeast winds up to 10 mph shifting to the south in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 55 to 70. .FRIDAY...Mostly sunny. Highs 81 to 96. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 57 to 72. Highs 81 to 96. .SUNDAY...Partly cloudy with a slight chance of rain showers. Highs 79 to 94. .SUNDAY NIGHT...Clear. Lows 57 to 72. .MONDAY...Partly cloudy with a slight chance of rain showers. Highs 77 to 92. && TEMPERATURE / PRECIPITATION QUINCY 89 42 94 / 0 0 0 CHESTER 84 43 89 / 0 0 0 $$ = CAZ069-192300- West Slope Northern Sierra Nevada- Including the city of Blue Canyon 1223 AM PDT Tue Aug 19 2025 .TODAY...Sunny. Highs 66 to 81 higher elevations...77 to 89 lower elevations. Prevailing southeast winds up to 10 mph shifting to the southwest in the afternoon. .TONIGHT...Clear. Lows 43 to 58 higher elevations...53 to 67 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light. .WEDNESDAY...Sunny, warmer. Highs 70 to 85 higher elevations... 83 to 93 lower elevations. Prevailing east winds up to 10 mph shifting to the west in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 49 to 64 higher elevations...58 to 72 lower elevations. Prevailing west winds up to 10 mph shifting to the northeast after midnight. .THURSDAY...Mostly sunny. Warmer. Highs 75 to 90 higher elevations...87 to 97 lower elevations. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 57 to 72. .FRIDAY...Mostly sunny. Highs 80 to 95. .FRIDAY NIGHT...Partly cloudy with a slight chance of rain showers. Lows 58 to 73. .SATURDAY...Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs 79 to 94. .SATURDAY NIGHT...Partly cloudy with a slight chance of rain showers. Lows 57 to 72. .SUNDAY...Partly cloudy with a chance of rain showers. Highs 77 to 92. .SUNDAY NIGHT AND MONDAY...Mostly clear. A slight chance of rain showers. Lows 56 to 71. Highs 76 to 91. && TEMPERATURE / PRECIPITATION BLUE CANYON 76 60 81 / 0 0 0 $$ =