


Zone Forecast Product
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
331 FPUS56 KSTO 292323 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 423 PM PDT Mon Sep 29 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Tuesday, Tuesday night, and Wednesday. CAZ013-301100- Shasta Lake Area / Northern Shasta County- Including the city of Shasta Dam 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. Colder. Heavy rain showers likely and a chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and early morning. A chance of rain showers in the late evening and overnight. Lows 39 to 54 higher elevations...48 to 57 lower elevations. Prevailing southwest winds up to 10 mph. .TUESDAY...Mostly cloudy with a chance of rain showers. Highs 49 to 64 higher elevations...61 to 69 lower elevations. Prevailing south winds up to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. Lows 38 to 53 higher elevations...47 to 57 lower elevations. Prevailing south winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 48 to 63 higher elevations...58 to 65 lower elevations. Prevailing south winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows 39 to 54 higher elevations...47 to 56 lower elevations. Light winds. .THURSDAY...Mostly cloudy. Warmer. Highs 58 to 73. .THURSDAY NIGHT...Mostly clear. Colder. Lows 37 to 52. .FRIDAY THROUGH SATURDAY NIGHT...Clear. Highs 66 to 81. Lows 39 to 54. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 63 to 78. Lows 41 to 56. .MONDAY...Sunny. Highs 63 to 78. && TEMPERATURE / PRECIPITATION SHASTA DAM 55 67 55 63 / 80 60 80 50 $$ = CAZ014-301100- Burney Basin / Eastern Shasta County- Including the city of Burney 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. Colder. A chance of rain showers early in the evening. A slight chance of thunderstorms in the evening. Rain showers likely late in the evening, then a chance of rain showers after midnight. Lows 38 to 49. Prevailing southwest winds up to 10 mph shifting to the southeast after midnight. Gusts up to 25 mph. .TUESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 54 to 65. Prevailing southwest winds up to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows 37 to 50. Prevailing southwest winds up to 15 mph with gusts to around 30 mph. .WEDNESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 53 to 63. Prevailing southwest winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows 34 to 47. Prevailing west winds up to 10 mph in the evening becoming light. .THURSDAY...Mostly cloudy. Highs 56 to 67. .THURSDAY NIGHT...Mostly clear. Colder. Lows 29 to 42. .FRIDAY THROUGH SATURDAY NIGHT...Clear. Highs 62 to 75. Lows 29 to 44. .SUNDAY THROUGH MONDAY...Mostly clear. Highs 60 to 71. Lows 29 to 44. && TEMPERATURE / PRECIPITATION BURNEY 41 61 42 60 / 70 40 50 40 $$ = CAZ015-301100- Northern Sacramento Valley- Including the cities of Redding and Red Bluff 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. A chance of thunderstorms early in the evening. A chance of rain showers through the night. A slight chance of thunderstorms in the late evening and early morning. Lows 53 to 59. South winds up to 10 mph. Gusts up to 25 mph in the evening. .TUESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 67 to 75. South winds 10 to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. Lows 53 to 59. South winds up to 15 mph with gusts to around 25 mph. .WEDNESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 63 to 69. South winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Lows 51 to 57. Southeast winds up to 10 mph with gusts to around 20 mph in the evening becoming light. .THURSDAY...Partly cloudy. Highs around 73. .THURSDAY NIGHT...Mostly clear. Lows 48 to 56. .FRIDAY THROUGH SUNDAY...Clear. Highs around 82. Lows 49 to 59. .SUNDAY NIGHT...Mostly clear. Lows 53 to 59. .MONDAY...Sunny. Highs around 79. && TEMPERATURE / PRECIPITATION REDDING 54 70 54 65 / 80 50 70 40 RED BLUFF 57 73 56 67 / 60 40 70 40 $$ = CAZ016-301100- Central Sacramento Valley- Including the cities of Chico, Oroville, and Marysville/Yuba City 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. A slight chance of thunderstorms in the evening. A chance of rain showers until early morning, then a slight chance of rain showers late in the night. Lows 53 to 61. South winds up to 10 mph with gusts to around 20 mph. .TUESDAY...Mostly cloudy with a slight chance of rain showers. Highs around 73. South winds 10 to 15 mph with gusts to around 25 mph. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Lows 55 to 61. South winds up to 10 mph. Gusts up to 25 mph in the evening. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs around 67. Southeast winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Lows 52 to 58. Southeast winds up to 10 mph in the evening becoming light. .THURSDAY...Mostly cloudy. Highs around 72. .THURSDAY NIGHT...Mostly clear. Lows 50 to 56. .FRIDAY THROUGH SUNDAY NIGHT...Clear. Highs around 81. Lows 50 to 60. .MONDAY...Mostly sunny. Highs around 77. && TEMPERATURE / PRECIPITATION CHICO 61 73 59 67 / 60 30 40 40 OROVILLE 59 73 58 67 / 60 40 40 50 MARYSVILLE/YUBA CITY 59 75 59 68 / 50 30 30 60 $$ = CAZ017-301100- Southern Sacramento Valley- Including the city of Sacramento 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms early in the evening, then a chance of rain showers in the late evening and overnight. Lows around 59. South winds up to 10 mph with gusts to around 20 mph. .TUESDAY...Mostly cloudy. A slight chance of rain showers in the morning. Highs 71 to 76. South winds up to 15 mph with gusts to around 25 mph. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain showers after midnight. Lows around 59. Southwest winds up to 10 mph. Gusts up to 20 mph in the evening. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs 65 to 71. South winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain showers. Lows 54 to 60. Light winds. .THURSDAY...Mostly cloudy. Highs 71 to 77. .THURSDAY NIGHT...Mostly clear. Lows 50 to 58. .FRIDAY THROUGH SUNDAY NIGHT...Clear. Highs 77 to 85. Lows 51 to 61. .MONDAY...Mostly sunny. Highs 75 to 81. && TEMPERATURE / PRECIPITATION SACRAMENTO 62 75 61 69 / 40 20 20 50 SAC EXEC AIRPORT 60 74 60 70 / 40 20 20 50 $$ = CAZ018-301100- Carquinez Strait and Delta- Including the city of Fairfield/Suisun 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. A slight chance of rain showers early in the evening, then a chance of rain showers late in the evening. A slight chance of rain showers after midnight. Lows around 61. Southwest winds up to 10 mph with gusts to around 20 mph. .TUESDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 71 to 77. Southwest winds 10 to 15 mph with gusts to around 25 mph. .TUESDAY NIGHT...Mostly cloudy. A chance of rain showers after midnight. Lows around 60. West winds up to 15 mph. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs 66 to 72. South winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain showers. Lows 55 to 61. West winds up to 10 mph. .THURSDAY...Partly cloudy. Highs 71 to 77. .THURSDAY NIGHT...Mostly clear. Lows around 55. .FRIDAY THROUGH SUNDAY NIGHT...Clear. Highs 78 to 84. Lows around 56. .MONDAY...Mostly sunny. Highs 73 to 79. && TEMPERATURE / PRECIPITATION FAIRFIELD/SUISUN 60 76 60 72 / 30 20 30 60 $$ = CAZ019-301100- Northern San Joaquin Valley- Including the cities of Stockton and Modesto 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms early in the evening, then a slight chance of rain showers in the late evening and overnight. Lows 56 to 62. Northwest winds up to 10 mph. .TUESDAY...Partly cloudy in the morning then clearing. Highs 72 to 80. Southwest winds up to 10 mph with gusts to around 20 mph. .TUESDAY NIGHT...Mostly clear. Lows 56 to 62. Northwest winds up to 10 mph. .WEDNESDAY...Partly cloudy with a slight chance of rain showers in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs 70 to 78. Northwest winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain showers. Lows 57 to 63. Northwest winds up to 10 mph. .THURSDAY...Mostly cloudy. Highs 72 to 78. .THURSDAY NIGHT...Mostly clear. Lows 52 to 58. .FRIDAY THROUGH SUNDAY NIGHT...Clear. Highs 75 to 85. Lows 52 to 60. .MONDAY...Mostly sunny. Highs 72 to 80. && TEMPERATURE / PRECIPITATION STOCKTON 59 79 59 76 / 20 10 10 30 MODESTO 61 79 61 77 / 20 10 0 20 $$ = CAZ063-301100- Mountains Southwestern Shasta County to Western Colusa County- Including the city of Alder Springs 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Colder. A chance of rain showers and a slight chance of thunderstorms early in the evening, then a slight chance of rain showers late in the evening. A chance of rain showers after midnight, then a slight chance of rain showers late in the night. Lows 39 to 53 higher elevations...51 to 57 lower elevations. Prevailing southwest winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Partly cloudy with a slight chance of rain showers in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs 49 to 64 higher elevations...64 to 72 lower elevations. Prevailing south winds up to 15 mph. .TUESDAY NIGHT...Rain showers. Lows 41 to 53 higher elevations... 52 to 58 lower elevations. Prevailing south winds up to 15 mph. .WEDNESDAY...Rain showers likely. Highs 47 to 62 higher elevations...60 to 68 lower elevations. Prevailing southeast winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Lows 41 to 53 higher elevations...51 to 57 lower elevations. Prevailing south winds up to 10 mph in the evening becoming light. .THURSDAY...Partly cloudy with a slight chance of rain showers. Warmer. Highs 55 to 70. .THURSDAY NIGHT...Mostly clear. Lows 43 to 58. .FRIDAY THROUGH MONDAY...Clear. Highs 63 to 78. Lows 46 to 61. && TEMPERATURE / PRECIPITATION ALDER SPRINGS 46 56 47 55 / 70 40 80 80 $$ = CAZ066-301100- Northeast Foothills/Sacramento Valley- Including the city of Paradise 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. A chance of showers and thunderstorms early in the evening, then rain showers likely late in the evening. A slight chance of thunderstorms in the late evening and early morning. A chance of rain showers after midnight. Lows 49 to 61. Prevailing south winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 57 to 71. Prevailing south winds up to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. Lows 48 to 60. Prevailing south winds up to 10 mph with gusts to around 30 mph. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs 56 to 66. Prevailing south winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows 48 to 59. Prevailing south winds up to 10 mph in the evening becoming light. .THURSDAY...Mostly cloudy. Warmer. Highs 61 to 73. .THURSDAY NIGHT...Mostly clear. Lows 46 to 58. .FRIDAY THROUGH SATURDAY NIGHT...Clear. Highs 69 to 83. Lows 47 to 62. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 68 to 80. Lows 50 to 62. .MONDAY...Sunny. Highs 67 to 79. && TEMPERATURE / PRECIPITATION PARADISE 57 63 56 60 / 60 40 50 50 $$ = CAZ067-301100- Motherlode- Including the cities of Grass Valley and Jackson 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. Lows 50 to 60. Light winds. .TUESDAY...Mostly cloudy. A slight chance of rain showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs 59 to 71 higher elevations...65 to 75 lower elevations. Prevailing south winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain showers. Lows 51 to 61. Light winds. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs 60 to 75. Light winds. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Lows 50 to 62. Light winds. .THURSDAY...Mostly cloudy with a slight chance of rain showers. Highs 64 to 74. .THURSDAY NIGHT...Mostly clear. Lows 47 to 57. .FRIDAY THROUGH SATURDAY NIGHT...Clear. Highs 69 to 82. Lows 47 to 59. .SUNDAY THROUGH MONDAY...Mostly clear. Highs 67 to 80. Lows 50 to 59. && TEMPERATURE / PRECIPITATION GRASS VALLEY 51 63 52 61 / 60 40 30 50 JACKSON 56 71 57 69 / 40 20 10 30 $$ = CAZ068-301100- Western Plumas County/Lassen Park- Including the cities of Chester and Quincy 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. Colder. A chance of rain showers early in the evening. A slight chance of thunderstorms until early morning. Rain showers likely late in the evening, then a chance of rain showers after midnight. Lows 37 to 52. Prevailing south winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs 42 to 57 higher elevations...49 to 62 lower elevations. Prevailing south winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows 36 to 51. Prevailing south winds up to 15 mph with gusts to around 30 mph. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs 42 to 57 higher elevations...47 to 62 lower elevations. Prevailing south winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows 36 to 51. Prevailing south winds up to 10 mph. .THURSDAY...Mostly cloudy with a slight chance of rain showers. Warmer. Highs 50 to 65. .THURSDAY NIGHT...Mostly clear. Lows 35 to 50. .FRIDAY THROUGH SATURDAY NIGHT...Clear. Highs 59 to 74. Lows 37 to 52. .SUNDAY THROUGH MONDAY...Mostly clear. Highs 56 to 71. Lows 38 to 53. && TEMPERATURE / PRECIPITATION QUINCY 42 64 43 63 / 60 40 40 50 CHESTER 39 60 38 60 / 70 40 50 50 $$ = CAZ069-301100- West Slope Northern Sierra Nevada- Including the city of Blue Canyon 423 PM PDT Mon Sep 29 2025 .TONIGHT...Mostly cloudy. Colder. A chance of thunderstorms early in the evening. A chance of rain showers through the night. A slight chance of thunderstorms late in the evening. Lows 35 to 50 higher elevations...46 to 56 lower elevations. Prevailing south winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly cloudy. A chance of rain showers in the morning, then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 44 to 59 higher elevations...55 to 69 lower elevations. Prevailing south winds up to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Lows 34 to 49 higher elevations...45 to 57 lower elevations. Prevailing south winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs 46 to 61 higher elevations...55 to 70 lower elevations. Prevailing south winds up to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows 36 to 51 higher elevations...46 to 58 lower elevations. Prevailing south winds up to 10 mph. .THURSDAY...Mostly cloudy with a slight chance of rain showers. Highs 50 to 65. .THURSDAY NIGHT...Partly cloudy with a slight chance of rain showers. Colder. Lows 35 to 50. .FRIDAY...Partly cloudy with a slight chance of rain showers. Warmer. Highs 55 to 70. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Clear. Lows 38 to 53. Highs 57 to 72. .SUNDAY THROUGH MONDAY...Mostly clear. Highs 54 to 69. Lows 37 to 52. && TEMPERATURE / PRECIPITATION BLUE CANYON 49 53 49 53 / 60 40 30 40 $$ =