FPUS56 KSTO 161137 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 436 AM PDT Thu Apr 16 2026 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Friday. CAZ013-162300- Shasta Lake Area / Northern Shasta County- Including the city of Shasta Dam 436 AM PDT Thu Apr 16 2026 .TODAY...Widespread frost early in the morning. Sunny. Highs 45 to 60 higher elevations...58 to 65 lower elevations. Prevailing north winds up to 15 mph with gusts to around 35 mph. .TONIGHT...Clear. Lows 26 to 41 higher elevations...35 to 45 lower elevations. Prevailing north winds 5 to 15 mph with gusts to around 30 mph. .FRIDAY...Sunny, warmer. Highs 56 to 71 higher elevations...69 to 75 lower elevations. Prevailing northeast winds up to 15 mph with gusts to around 30 mph. .FRIDAY NIGHT...Mostly clear. Lows 32 to 47 higher elevations... 41 to 49 lower elevations. Light winds. .SATURDAY...Mostly sunny. Highs 57 to 72 higher elevations... 69 to 75 lower elevations. Light winds becoming south up to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows 38 to 53. .SUNDAY...Mostly cloudy with a chance of rain. Highs 52 to 67. .SUNDAY NIGHT...Rain likely. Lows 36 to 50. .MONDAY...Rain and snow likely. Highs 46 to 61. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly cloudy with a chance of rain. Lows 34 to 48. Highs 48 to 63. && TEMPERATURE / PRECIPITATION SHASTA DAM 63 44 72 / 0 0 0 $$ = CAZ014-162300- Burney Basin / Eastern Shasta County- Including the city of Burney 436 AM PDT Thu Apr 16 2026 .TODAY...Widespread frost in the morning. Sunny. Highs 40 to 51 higher elevations...49 to 55 lower elevations. Prevailing northeast winds up to 15 mph with gusts to around 30 mph. .TONIGHT...Clear. Lows 19 to 29. Prevailing northeast winds up to 15 mph. Gusts up to 35 mph in the evening. .FRIDAY...Sunny, warmer. Highs 55 to 67. Prevailing east winds up to 10 mph with gusts to around 25 mph. .FRIDAY NIGHT...Mostly clear. Lows 28 to 37. Light winds. .SATURDAY...Mostly sunny. Highs 60 to 71. Light winds becoming southwest up to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows 35 to 43. .SUNDAY...Mostly cloudy with a slight chance of rain. Highs 57 to 68. .SUNDAY NIGHT...Mostly cloudy with a chance of rain. Lows 34 to 44. .MONDAY...Mostly cloudy with a chance of rain and snow likely. Highs 49 to 60. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows 30 to 40. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a chance of rain. Highs 45 to 56. Lows 30 to 40. .WEDNESDAY...Mostly cloudy with a slight chance of rain. Highs 49 to 60. && TEMPERATURE / PRECIPITATION BURNEY 52 23 63 / 0 0 0 $$ = CAZ015-162300- Northern Sacramento Valley- Including the cities of Redding and Red Bluff 436 AM PDT Thu Apr 16 2026 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... .TODAY...Sunny, breezy. Highs around 65. North winds 10 to 25 mph with gusts to around 40 mph. .TONIGHT...Clear. Lows 38 to 46. North winds 10 to 15 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. .FRIDAY...Sunny. Highs around 73. North winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY NIGHT...Mostly clear. Lows 41 to 49. Light winds. .SATURDAY...Mostly sunny. Highs around 74. Light winds becoming south up to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows 48 to 54. .SUNDAY...Mostly cloudy with a chance of rain. Highs 66 to 72. .SUNDAY NIGHT THROUGH TUESDAY...Mostly cloudy with a chance of rain. Lows 44 to 52. Highs 62 to 72. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows 44 to 49. .WEDNESDAY...Partly cloudy with a slight chance of rain. Highs around 68. && TEMPERATURE / PRECIPITATION REDDING 66 40 75 / 0 0 0 RED BLUFF 66 41 73 / 0 0 0 $$ = CAZ016-162300- Central Sacramento Valley- Including the cities of Chico, Oroville, and Marysville/Yuba City 436 AM PDT Thu Apr 16 2026 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... .TODAY...Sunny, windy. Highs around 66. Northwest winds 15 to 20 mph increasing to 15 to 30 mph in the afternoon. Gusts up to 40 mph. .TONIGHT...Clear, breezy. Lows 40 to 48. North winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 35 mph. .FRIDAY...Sunny. Highs 70 to 75. Northwest winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY NIGHT...Mostly clear. Lows 43 to 48. Light winds. .SATURDAY...Mostly sunny. Highs 72 to 78. Light winds. .SATURDAY NIGHT...Mostly cloudy. Lows around 51. .SUNDAY...Mostly cloudy with a slight chance of rain. Highs 70 to 76. .SUNDAY NIGHT THROUGH TUESDAY...Mostly cloudy with a chance of rain. Lows 45 to 53. Highs 64 to 74. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain. Lows around 47. .WEDNESDAY...Partly cloudy. Highs 66 to 71. && TEMPERATURE / PRECIPITATION CHICO 67 43 74 / 0 0 0 OROVILLE 67 43 73 / 0 0 0 MARYSVILLE/YUBA CITY 67 43 73 / 0 0 0 $$ = CAZ017-162300- Southern Sacramento Valley- Including the city of Sacramento 436 AM PDT Thu Apr 16 2026 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... .TODAY...Sunny, breezy. Highs 64 to 70. Northwest winds 10 to 15 mph shifting to the north 15 to 25 mph in the afternoon. Gusts up to 40 mph. .TONIGHT...Clear, breezy. Lows 40 to 50. North winds 10 to 25 mph with gusts to around 40 mph. .FRIDAY...Sunny. Highs 69 to 75. Northwest winds 10 to 15 mph with gusts to around 35 mph. .FRIDAY NIGHT...Mostly clear. Lows 43 to 49. Light winds. .SATURDAY...Mostly sunny in the morning then becoming partly cloudy. Highs 72 to 78. Light winds. .SATURDAY NIGHT...Mostly cloudy. Lows around 50. .SUNDAY...Mostly cloudy. Highs 69 to 76. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly cloudy with a chance of rain. Lows around 49. Highs 64 to 74. .TUESDAY...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs 61 to 66. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a slight chance of rain. Lows around 46. Highs 61 to 71. && TEMPERATURE / PRECIPITATION SACRAMENTO 69 45 74 / 0 0 0 SAC EXEC AIRPORT 68 44 73 / 0 0 0 $$ = CAZ018-162300- Carquinez Strait and Delta- Including the city of Fairfield/Suisun 436 AM PDT Thu Apr 16 2026 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... .TODAY...Sunny, breezy. Highs 66 to 71. Northwest winds 10 to 15 mph shifting to the north 15 to 25 mph in the afternoon. Gusts up to 35 mph. .TONIGHT...Clear. Lows 43 to 50. North winds 15 to 20 mph with gusts to around 35 mph. .FRIDAY...Sunny. Highs 70 to 75. North winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY NIGHT...Mostly clear. Lows around 45. West winds up to 10 mph. .SATURDAY...Partly cloudy. Highs 72 to 78. Light winds. .SATURDAY NIGHT...Mostly cloudy. Lows around 49. .SUNDAY...Mostly cloudy. Highs 70 to 76. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly cloudy with a chance of rain. Lows around 50. Highs 66 to 72. .TUESDAY...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs around 63. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain. Lows around 47. .WEDNESDAY...Partly cloudy. Highs 66 to 71. && TEMPERATURE / PRECIPITATION FAIRFIELD/SUISUN 70 46 74 / 0 0 0 $$ = CAZ019-162300- Northern San Joaquin Valley- Including the cities of Stockton and Modesto 436 AM PDT Thu Apr 16 2026 .TODAY...Sunny, breezy. Highs 63 to 71. Northwest winds 10 to 15 mph increasing to 10 to 25 mph in the afternoon. Gusts up to 35 mph. .TONIGHT...Clear. Lows 38 to 48. Northwest winds 10 to 20 mph with gusts to around 40 mph. .FRIDAY...Sunny. Highs 68 to 75. Northwest winds 10 to 15 mph with gusts to around 30 mph. .FRIDAY NIGHT...Mostly clear. Lows 43 to 51. Northwest winds up to 10 mph. .SATURDAY...Partly cloudy. Highs 73 to 81. Light winds. .SATURDAY NIGHT...Mostly cloudy. Lows 48 to 54. .SUNDAY...Partly cloudy. Highs 72 to 82. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly cloudy with a chance of rain. Lows 46 to 54. Highs 67 to 77. .TUESDAY...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs 60 to 67. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a slight chance of rain. Lows 44 to 50. Highs 61 to 71. && TEMPERATURE / PRECIPITATION STOCKTON 70 41 74 / 0 0 0 MODESTO 70 45 74 / 0 0 0 $$ = CAZ063-162300- Mountains Southwestern Shasta County to Western Colusa County- Including the city of Alder Springs 436 AM PDT Thu Apr 16 2026 .TODAY...Sunny. Highs 43 to 58 higher elevations...59 to 64 lower elevations. Prevailing north winds 10 to 20 mph with gusts to around 40 mph. .TONIGHT...Clear. Lows 29 to 43 higher elevations...40 to 46 lower elevations. Prevailing north winds 10 to 20 mph with gusts to around 40 mph. .FRIDAY...Mostly sunny. Warmer. Highs 52 to 67 higher elevations...67 to 72 lower elevations. Prevailing north winds 5 to 15 mph with gusts to around 35 mph. .FRIDAY NIGHT...Mostly clear. Lows 38 to 52. Prevailing northwest winds up to 10 mph. .SATURDAY...Mostly sunny. Highs 53 to 68 higher elevations... 68 to 74 lower elevations. Light winds becoming southeast up to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows 41 to 56. .SUNDAY...Mostly cloudy with a chance of rain. Highs 51 to 66. .SUNDAY NIGHT...Mostly cloudy with a chance of rain and heavy snow likely. Colder. Lows 37 to 52. .MONDAY...Mostly cloudy with rain and snow likely. Light snow accumulations possible. Highs 43 to 58. .MONDAY NIGHT...Mostly cloudy with a chance of rain and snow. Colder. Lows 34 to 49. .TUESDAY...Mostly cloudy with a chance of rain showers, snow and a slight chance of thunderstorms. Highs 43 to 58. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows 34 to 49. .WEDNESDAY...Partly cloudy with a slight chance of rain. Warmer. Highs 50 to 65. && TEMPERATURE / PRECIPITATION ALDER SPRINGS 52 37 60 / 0 0 0 $$ = CAZ066-162300- Northeast Foothills/Sacramento Valley- Including the city of Paradise 436 AM PDT Thu Apr 16 2026 .TODAY...Sunny. Highs 55 to 65. Prevailing north winds 5 to 15 mph with gusts to around 35 mph. .TONIGHT...Clear. Lows 35 to 47. Prevailing northeast winds 5 to 15 mph with gusts to around 35 mph. .FRIDAY...Sunny, warmer. Highs 62 to 72. Prevailing northeast winds 5 to 15 mph shifting to the northwest in the afternoon. Gusts up to 30 mph. .FRIDAY NIGHT...Mostly clear. Lows 42 to 52. Light winds becoming east up to 10 mph after midnight. .SATURDAY...Mostly sunny. Highs 64 to 74. Light winds becoming southwest up to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows 47 to 57. .SUNDAY...Mostly cloudy with a slight chance of rain. Highs 61 to 71. .SUNDAY NIGHT AND MONDAY...Mostly cloudy with rain likely. Lows 43 to 53. Highs 55 to 70. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a chance of rain. Lows 40 to 51. Highs 50 to 63. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a slight chance of rain. Lows 41 to 51. Highs 51 to 66. && TEMPERATURE / PRECIPITATION PARADISE 61 43 67 / 0 0 0 $$ = CAZ067-162300- Motherlode- Including the cities of Grass Valley and Jackson 436 AM PDT Thu Apr 16 2026 .TODAY...Mostly sunny. Highs 58 to 66. Prevailing northwest winds up to 15 mph. .TONIGHT...Clear. Lows 38 to 44. Prevailing northeast winds 5 to 15 mph. .FRIDAY...Sunny. Highs 61 to 71. Prevailing northeast winds up to 10 mph shifting to the southwest in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 42 to 50. Light winds. .SATURDAY...Mostly sunny. Highs 65 to 75. Light winds. .SATURDAY NIGHT...Mostly cloudy. Lows 46 to 54. .SUNDAY...Partly cloudy. Highs 65 to 75. .SUNDAY NIGHT AND MONDAY...Mostly cloudy with a chance of rain. Lows 43 to 51. Highs 58 to 73. .MONDAY NIGHT...Rain likely. Lows 40 to 48. .TUESDAY...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs 51 to 63. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows 38 to 46. .WEDNESDAY...Partly cloudy with a slight chance of rain. Highs 56 to 66. && TEMPERATURE / PRECIPITATION GRASS VALLEY 60 37 65 / 0 0 0 JACKSON 63 40 66 / 0 0 0 $$ = CAZ068-162300- Western Plumas County/Lassen Park- Including the cities of Chester and Quincy 436 AM PDT Thu Apr 16 2026 .TODAY...Widespread frost early in the morning. Sunny. Highs 36 to 51 higher elevations...43 to 57 lower elevations. Prevailing north winds up to 15 mph with gusts to around 35 mph. .TONIGHT...Clear. Lows 19 to 34 higher elevations...24 to 39 lower elevations. Prevailing northeast winds 5 to 15 mph with gusts to around 40 mph. .FRIDAY...Sunny, warmer. Highs 47 to 62 higher elevations...54 to 66 lower elevations. Prevailing east winds up to 15 mph with gusts to around 35 mph. .FRIDAY NIGHT...Mostly clear. Lows 30 to 45. Light winds. .SATURDAY...Mostly sunny. Warmer. Highs 50 to 65 higher elevations...56 to 69 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows 34 to 49. .SUNDAY...Mostly cloudy with a slight chance of rain. Highs 50 to 65. .SUNDAY NIGHT AND MONDAY...Rain and snow likely. Moderate snow accumulations possible. Lows 32 to 47. Highs 46 to 61. .MONDAY NIGHT...Mostly cloudy with rain and snow likely. Colder. Moderate snow accumulations possible. Lows 27 to 42. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Highs 37 to 52. Lows 27 to 42. .WEDNESDAY...Mostly cloudy with a slight chance of rain and snow. Not as cool. Highs 42 to 57. && TEMPERATURE / PRECIPITATION QUINCY 57 26 67 / 0 0 0 CHESTER 51 22 61 / 0 0 0 $$ = CAZ069-162300- West Slope Northern Sierra Nevada- Including the city of Blue Canyon 436 AM PDT Thu Apr 16 2026 .TODAY...Widespread frost in the morning. Sunny. Highs 39 to 54 higher elevations...53 to 63 lower elevations. Prevailing southeast winds up to 10 mph shifting to the northwest in the afternoon. Gusts up to 30 mph. .TONIGHT...Clear, colder. Lows 18 to 33 higher elevations...31 to 43 lower elevations. Prevailing northeast winds 10 to 20 mph with gusts to around 45 mph...except northeast 10 to 30 mph over ridges. .FRIDAY...Sunny. Not as cool. Highs 45 to 60 higher elevations... 57 to 67 lower elevations. Prevailing east winds 5 to 15 mph with gusts to around 40 mph shifting to the southwest with gusts to around 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 25 to 40 higher elevations... 37 to 49 lower elevations. Light winds becoming east up to 10 mph after midnight. .SATURDAY...Mostly sunny. Warmer. Highs 48 to 63 higher elevations...60 to 70 lower elevations. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows 34 to 49. .SUNDAY...Partly cloudy. Highs 52 to 67. .SUNDAY NIGHT AND MONDAY...Mostly cloudy with a chance of rain and snow. Lows 31 to 46. Highs 47 to 62. .MONDAY NIGHT...Rain and heavy snow likely. Colder. Moderate snow accumulations possible. Lows 27 to 42. .TUESDAY...Snow likely with possible rain and thunderstorms. Moderate snow accumulations possible. Highs 36 to 51. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Colder. Lows 24 to 39. .WEDNESDAY...Mostly cloudy with a chance of rain and snow. Not as cool. Highs 41 to 56. && TEMPERATURE / PRECIPITATION BLUE CANYON 52 35 59 / 0 0 0 $$ =