


Zone Forecast Product
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
646 FPUS56 KSTO 121054 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 353 AM PDT Mon May 12 2025 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Tuesday. CAZ013-122300- Shasta Lake Area / Northern Shasta County- Including the city of Shasta Dam 353 AM PDT Mon May 12 2025 .TODAY...At lower elevations, rain showers early in the morning, then a chance of rain showers in the late morning and early afternoon. A slight chance of thunderstorms early in the afternoon, then rain showers likely and a chance of thunderstorms late in the afternoon. At higher elevations, rain showers early in the morning, then a chance of rain showers and heavy snow showers late in the morning. A slight chance of thunderstorms early in the afternoon. Rain showers likely in the afternoon. A chance of thunderstorms late in the afternoon. Highs 43 to 58 higher elevations...55 to 63 lower elevations. Snow accumulation up to 1 inch. Prevailing southwest winds up to 10 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Colder. Lows 31 to 45 higher elevations...39 to 47 lower elevations. Light winds. Gusts up to 20 mph. .TUESDAY...Mostly sunny. Warmer. Highs 53 to 68 higher elevations...65 to 75 lower elevations. Prevailing northwest winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 33 to 48 higher elevations... 42 to 51 lower elevations. Prevailing north winds up to 10 mph. .WEDNESDAY...Mostly sunny. Warmer. Highs 60 to 75 higher elevations...73 to 81 lower elevations. Prevailing north winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 38 to 53. .THURSDAY...Mostly sunny. Warmer. Highs 69 to 84. .THURSDAY NIGHT...Mostly cloudy. Lows 45 to 60. .FRIDAY...Mostly sunny. Highs 68 to 83. .FRIDAY NIGHT...Partly cloudy. Lows 43 to 58. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs 65 to 80. Lows 41 to 56. .SUNDAY...Sunny. Highs 67 to 82. && TEMPERATURE / PRECIPITATION SHASTA DAM 60 46 73 / 80 50 0 $$ = CAZ014-122300- Burney Basin / Eastern Shasta County- Including the city of Burney 353 AM PDT Mon May 12 2025 .TODAY...At lower elevations, rain showers until late afternoon, then rain showers likely and a chance of thunderstorms late in the afternoon. At higher elevations, rain and snow showers early in the morning, then a chance of rain and snow showers late in the morning. Snow showers likely and a slight chance of thunderstorms early in the afternoon. Rain showers in the afternoon. A chance of thunderstorms late in the afternoon. Cooler. Highs 43 to 55. No snow accumulation lower elevations... up to 1 inch higher elevations. Prevailing southwest winds up to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy. At lower elevations, a chance of rain showers and a slight chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. At higher elevations, a chance of rain showers, snow showers and a slight chance of thunderstorms in the evening, then a chance of rain and snow showers after midnight. Lows 29 to 39. Prevailing west winds up to 10 mph. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of rain showers in the afternoon. Not as cool. Highs 50 to 63. Prevailing north winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 29 to 39. Prevailing north winds up to 10 mph. .WEDNESDAY...Mostly sunny. Warmer. Highs 58 to 71. Light winds. .WEDNESDAY NIGHT...Clear. Lows 32 to 41. .THURSDAY...Mostly sunny. Warmer. Highs 64 to 78. .THURSDAY NIGHT...Mostly cloudy. Lows 39 to 49. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 61 to 76. Lows 39 to 49. .SATURDAY NIGHT...Mostly clear. Colder. Lows 34 to 43. .SUNDAY...Sunny. Highs 62 to 75. && TEMPERATURE / PRECIPITATION BURNEY 50 35 59 / 90 60 10 $$ = CAZ015-122300- Northern Sacramento Valley- Including the cities of Redding and Red Bluff 353 AM PDT Mon May 12 2025 .TODAY...Cooler. Rain showers likely early in the morning, then a chance of rain showers in the late morning and early afternoon. A slight chance of thunderstorms early in the afternoon, then rain showers likely and a chance of thunderstorms late in the afternoon. Highs 61 to 69. South winds 10 to 15 mph. Gusts up to 35 mph decreasing to 25 mph in the afternoon. .TONIGHT...Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Lows 44 to 49. East winds up to 10 mph in the evening becoming light. .TUESDAY...Mostly sunny. Warmer. Highs 71 to 76. North winds up to 10 mph. Gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 46 to 52. North winds around 10 mph. .WEDNESDAY...Sunny. Highs around 80. North winds around 10 mph with gusts to around 20 mph. .WEDNESDAY NIGHT...Clear. Lows 51 to 57. .THURSDAY...Mostly sunny. Highs around 86. .THURSDAY NIGHT...Mostly cloudy. Lows around 59. .FRIDAY...Partly cloudy. Highs around 86. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 52 to 61. Highs 81 to 86. .SUNDAY...Sunny. Highs around 86. && TEMPERATURE / PRECIPITATION REDDING 65 45 75 / 80 50 0 RED BLUFF 68 47 76 / 70 40 0 $$ = CAZ016-122300- Central Sacramento Valley- Including the cities of Chico, Oroville, and Marysville/Yuba City 353 AM PDT Mon May 12 2025 .TODAY...Mostly cloudy. A chance of rain showers early in the morning, then a slight chance of rain showers late in the morning. A chance of rain showers in the afternoon. A slight chance of thunderstorms late in the afternoon. Highs 63 to 70. South winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Partly cloudy with a slight chance of rain showers. Lows around 48. South winds around 10 mph with gusts to around 20 mph in the evening becoming light. .TUESDAY...Partly cloudy in the morning then clearing. Warmer. Highs 71 to 77. North winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows around 51. North winds up to 10 mph. .WEDNESDAY...Sunny. Highs 77 to 82. North winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY NIGHT...Clear. Lows 51 to 57. .THURSDAY...Sunny. Highs 83 to 88. .THURSDAY NIGHT...Mostly cloudy. Lows around 60. .FRIDAY...Partly cloudy. Highs 83 to 89. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 54 to 60. Highs 81 to 89. .SUNDAY...Sunny. Highs 83 to 89. && TEMPERATURE / PRECIPITATION CHICO 68 50 75 / 70 40 0 OROVILLE 66 49 74 / 70 40 10 MARYSVILLE/YUBA CITY 68 49 75 / 60 20 0 $$ = CAZ017-122300- Southern Sacramento Valley- Including the city of Sacramento 353 AM PDT Mon May 12 2025 .TODAY...Mostly cloudy with a chance of rain showers in the morning, then partly cloudy with a slight chance of rain showers in the afternoon. Highs 62 to 70. South winds 10 to 15 mph with gusts to around 25 mph. .TONIGHT...Mostly clear. Lows around 47. Southwest winds up to 15 mph. Gusts up to 25 mph in the evening. .TUESDAY...Partly cloudy in the morning then clearing. Highs 69 to 76. North winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 47 to 53. Northwest winds up to 10 mph shifting to the southwest after midnight. .WEDNESDAY...Sunny, warmer. Highs 76 to 83. Northwest winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 50 to 56. .THURSDAY...Sunny. Highs 81 to 88. .THURSDAY NIGHT...Partly cloudy. Lows 54 to 60. .FRIDAY...Mostly cloudy. Highs 82 to 88. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 52 to 60. Highs 79 to 88. .SUNDAY...Sunny. Highs 82 to 89. && TEMPERATURE / PRECIPITATION SACRAMENTO 68 49 75 / 40 10 0 SAC EXEC AIRPORT 68 47 75 / 40 10 0 $$ = CAZ018-122300- Carquinez Strait and Delta- Including the city of Fairfield/Suisun 353 AM PDT Mon May 12 2025 .TODAY...Mostly cloudy with a chance of rain showers early in the morning, then mostly cloudy with a slight chance of rain showers late in the morning. Mostly sunny in the afternoon. Highs 62 to 68. Southwest winds 10 to 20 mph with gusts to around 30 mph. .TONIGHT...Mostly clear. Lows around 48. West winds 10 to 15 mph. Gusts up to 30 mph decreasing to 20 mph after midnight. .TUESDAY...Mostly sunny. Highs 69 to 75. West winds up to 10 mph with gusts to around 20 mph. .TUESDAY NIGHT...Clear. Lows around 49. West winds 10 to 15 mph. .WEDNESDAY...Sunny. Highs 75 to 81. West winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows around 52. .THURSDAY...Sunny. Highs 79 to 85. .THURSDAY NIGHT...Partly cloudy. Lows around 55. .FRIDAY...Mostly cloudy. Highs 78 to 84. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows around 54. Highs 77 to 83. .SATURDAY NIGHT AND SUNDAY...Clear. Lows around 55. Highs 78 to 84. && TEMPERATURE / PRECIPITATION FAIRFIELD/SUISUN 68 46 75 / 40 0 0 $$ = CAZ019-122300- Northern San Joaquin Valley- Including the cities of Stockton and Modesto 353 AM PDT Mon May 12 2025 .TODAY...Mostly sunny early in the morning, then a slight chance of rain showers late in the morning. Partly cloudy in the afternoon. Highs 61 to 71. South winds up to 10 mph shifting to the west in the afternoon. Gusts up to 25 mph. .TONIGHT...Mostly clear. Lows 45 to 51. West winds up to 15 mph with gusts to around 25 mph. .TUESDAY...Partly cloudy in the morning then clearing. Highs 66 to 75. Northwest winds up to 15 mph. Gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 46 to 52. Northwest winds up to 15 mph. Gusts up to 25 mph in the evening. .WEDNESDAY...Sunny, warmer. Highs 74 to 82. Northwest winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY NIGHT...Clear. Lows 49 to 55. .THURSDAY...Sunny. Highs 80 to 88. .THURSDAY NIGHT...Mostly clear. Lows 54 to 60. .FRIDAY...Partly cloudy. Highs 79 to 88. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 52 to 58. Highs 77 to 87. .SATURDAY NIGHT AND SUNDAY...Clear. Lows 51 to 57. Highs 77 to 87. && TEMPERATURE / PRECIPITATION STOCKTON 71 47 75 / 20 0 0 MODESTO 70 49 74 / 10 0 0 $$ = CAZ063-122300- Mountains Southwestern Shasta County to Western Colusa County- Including the city of Alder Springs 353 AM PDT Mon May 12 2025 .TODAY...At lower elevations, a chance of rain showers until late afternoon. A slight chance of thunderstorms early in the afternoon, then rain showers likely and a chance of thunderstorms late in the afternoon. At higher elevations, rain and snow showers likely early in the morning. A chance of rain and snow showers in the late morning and early afternoon, then rain showers, snow showers likely and a slight chance of thunderstorms late in the afternoon. Highs 39 to 54 higher elevations...57 to 65 lower elevations. No snow accumulation lower elevations...up to 2 inches higher elevations. Snow level 5500 feet. Prevailing southwest winds up to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy in the evening then clearing. At lower elevations, a slight chance of showers and thunderstorms in the evening. At higher elevations, a chance of rain showers, snow showers and a slight chance of thunderstorms in the evening. Lows 32 to 47. Snow level 5500 feet. Prevailing northwest winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Sunny, warmer. Highs 49 to 64 higher elevations... 67 to 73 lower elevations. Prevailing north winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 36 to 50 higher elevations... 46 to 52 lower elevations. Prevailing northwest winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Sunny, warmer. Highs 56 to 71 higher elevations... 73 to 78 lower elevations. Prevailing north winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 43 to 58. .THURSDAY...Mostly sunny. Warmer. Highs 66 to 81. .THURSDAY NIGHT...Mostly cloudy. Lows 48 to 63. .FRIDAY...Partly cloudy. Highs 66 to 81. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 44 to 59. Highs 65 to 80. .SUNDAY...Sunny. Highs 65 to 80. && TEMPERATURE / PRECIPITATION ALDER SPRINGS 47 37 57 / 70 30 0 $$ = CAZ066-122300- Northeast Foothills/Sacramento Valley- Including the city of Paradise 353 AM PDT Mon May 12 2025 .TODAY...Rain showers early in the morning, then a chance of rain showers in the late morning and early afternoon. A slight chance of thunderstorms early in the afternoon, then rain showers likely and a chance of thunderstorms late in the afternoon. Highs 47 to 59 higher elevations...55 to 63 lower elevations. Prevailing south winds 5 to 15 mph with gusts to around 35 mph. .TONIGHT...Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. Lows 38 to 50. Prevailing southeast winds up to 10 mph in the evening becoming light. .TUESDAY...Mostly sunny. Warmer. Highs 56 to 68 higher elevations...64 to 72 lower elevations. Prevailing northwest winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 42 to 52. Prevailing northwest winds up to 10 mph shifting to the northeast after midnight. .WEDNESDAY...Sunny, warmer. Highs 63 to 75 higher elevations... 70 to 78 lower elevations. Prevailing northeast winds up to 10 mph shifting to the northwest in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 47 to 57. .THURSDAY...Mostly sunny. Warmer. Highs 71 to 85. .THURSDAY NIGHT...Mostly cloudy. Lows 53 to 63. .FRIDAY...Partly cloudy. Highs 71 to 85. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 48 to 62. Highs 70 to 85. .SUNDAY...Sunny. Highs 73 to 85. && TEMPERATURE / PRECIPITATION PARADISE 55 47 65 / 80 50 10 $$ = CAZ067-122300- Motherlode- Including the cities of Grass Valley and Jackson 353 AM PDT Mon May 12 2025 .TODAY...Mostly cloudy. A chance of rain showers until late afternoon, then a chance of rain showers and a slight chance of thunderstorms late in the afternoon. Highs 48 to 60 higher elevations...55 to 65 lower elevations. Prevailing south winds up to 10 mph. .TONIGHT...Mostly cloudy. A chance of rain showers in the evening. Lows 39 to 47. Prevailing west winds up to 10 mph. .TUESDAY...Partly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Warmer. Highs 55 to 65 higher elevations...62 to 70 lower elevations. Prevailing west winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 41 to 49. Prevailing northwest winds up to 10 mph in the evening becoming light. .WEDNESDAY...Sunny, warmer. Highs 65 to 77. Light winds becoming west up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 47 to 53. .THURSDAY...Sunny, warmer. Highs 71 to 83. .THURSDAY NIGHT...Partly cloudy. Lows 52 to 58. .FRIDAY...Mostly cloudy. Highs 72 to 84. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 48 to 57. Highs 69 to 84. .SUNDAY...Sunny. Highs 72 to 84. && TEMPERATURE / PRECIPITATION GRASS VALLEY 53 41 61 / 80 40 10 JACKSON 60 44 66 / 30 10 10 $$ = CAZ068-122300- Western Plumas County/Lassen Park- Including the cities of Chester and Quincy 353 AM PDT Mon May 12 2025 .TODAY...Cooler. At lower elevations, rain showers through the day. Snow showers likely late in the morning, then a slight chance of thunderstorms early in the afternoon. A chance of thunderstorms late in the afternoon. At higher elevations, heavy snow showers in the morning. Rain showers through the day. A slight chance of thunderstorms early in the afternoon. Snow showers in the afternoon. A chance of thunderstorms late in the afternoon. Highs 31 to 46 higher elevations...38 to 52 lower elevations. No snow accumulation lower elevations...3 to 6 inches higher elevations. Snow level 5500 feet. Prevailing southwest winds 5 to 15 mph with gusts to around 35 mph. .TONIGHT...Mostly cloudy. At lower elevations, a chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain and snow showers after midnight. At higher elevations, a chance of snow showers, rain showers and a slight chance of thunderstorms in the evening, then a chance of rain and snow showers after midnight. Lows 26 to 41. No snow accumulation lower elevations...3 to 5 inches higher elevations. Snow level 6000 feet. Prevailing southwest winds up to 10 mph in the evening becoming light. .TUESDAY...Partly cloudy. At lower elevations, a slight chance of showers and thunderstorms in the afternoon. At higher elevations, a chance of rain showers, snow showers and a slight chance of thunderstorms in the afternoon. Not as cool. Highs 40 to 55 higher elevations...47 to 61 lower elevations. Snow level 6000 feet. Light winds becoming northwest up to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 28 to 43. Prevailing northwest winds up to 10 mph shifting to the northeast after midnight. .WEDNESDAY...Mostly sunny. Warmer. Highs 49 to 64 higher elevations...55 to 69 lower elevations. Light winds becoming northwest up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 32 to 47. .THURSDAY...Mostly sunny. Warmer. Highs 60 to 75. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows 40 to 55. Highs 59 to 74. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 38 to 53. Highs 57 to 72. .SATURDAY NIGHT...Mostly clear. Colder. Lows 33 to 48. .SUNDAY...Sunny, warmer. Highs 59 to 74. && TEMPERATURE / PRECIPITATION QUINCY 52 35 61 / 80 50 30 CHESTER 48 30 57 / 90 50 30 $$ = CAZ069-122300- West Slope Northern Sierra Nevada- Including the city of Blue Canyon 353 AM PDT Mon May 12 2025 .TODAY...Mostly sunny in the morning then becoming mostly cloudy. Cooler. At lower elevations, a chance of rain showers early in the morning. Rain showers likely in the late morning and afternoon. A slight chance of thunderstorms late in the afternoon. At higher elevations, a chance of rain showers and heavy snow showers late in the morning. Snow showers and rain showers likely early in the afternoon, then a chance of rain showers, snow showers and a slight chance of thunderstorms late in the afternoon. Highs 33 to 48 higher elevations...42 to 57 lower elevations. No snow accumulation lower elevations...up to 3 inches higher elevations. Snow level 6500 feet. Prevailing southwest winds 5 to 15 mph with gusts to around 50 mph...except southwest 10 to 35 mph with gusts to around 55 mph over ridges. .TONIGHT...Mostly cloudy. At higher elevations, a chance of rain and snow showers in the evening. At lower elevations, a chance of rain showers in the evening, then a slight chance of rain showers after midnight. Colder. Lows 21 to 36 higher elevations...34 to 42 lower elevations. No snow accumulation lower elevations...up to 2 inches higher elevations. Snow level 6000 feet. Prevailing southwest winds up to 10 mph. Gusts up to 35 mph in the evening. Over ridges...prevailing southwest winds 15 to 25 mph decreasing to up to 10 mph after midnight. .TUESDAY...Mostly cloudy. At lower elevations, a chance of rain showers and a slight chance of thunderstorms in the afternoon. At higher elevations, snow showers likely, a chance of thunderstorms and rain showers in the afternoon. Not as cool. Highs 36 to 51 higher elevations...50 to 60 lower elevations. No snow accumulation lower elevations...2 to 4 inches higher elevations. Snow level 6500 feet in the afternoon. Prevailing west winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows 23 to 38 higher elevations...36 to 46 lower elevations. Prevailing northwest winds up to 10 mph shifting to the northeast after midnight. .WEDNESDAY...Sunny, warmer. Highs 47 to 62 higher elevations... 59 to 69 lower elevations. Prevailing east winds up to 10 mph shifting to the west in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 33 to 48. .THURSDAY...Sunny, warmer. Highs 57 to 72. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows 38 to 53. Highs 57 to 72. .FRIDAY NIGHT...Mostly clear. Lows 38 to 53. .SATURDAY...Partly cloudy. Highs 54 to 69. .SATURDAY NIGHT...Mostly clear. Colder. Lows 34 to 49. .SUNDAY...Sunny, warmer. Highs 57 to 72. && TEMPERATURE / PRECIPITATION BLUE CANYON 41 35 50 / 80 40 30 $$ =