The heat will increase and expand across the Central Plains, Mississippi Valley, Southeast and into the Eastern U.S. through the week as high pressure builds across the eastern two-thirds of the country. On the northern periphery of this heat, the threat for severe thunderstorms and heavy rainfall across the northern Plains and upper Midwest through Tuesday. Critical Fire Weather for the west. Read More >
779 FPUS56 KSTO 211223 ZFPSTO Interior Northern California Zone Forecasts for California National Weather Service Sacramento CA 523 AM PDT Mon Jul 21 2025 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Tuesday. CAZ013-212300- Shasta Lake Area / Northern Shasta County- Including the city of Shasta Dam 523 AM PDT Mon Jul 21 2025 .TODAY...Partly cloudy with a slight chance of rain showers in the morning, then sunny in the afternoon. Highs 69 to 84 higher elevations...79 to 87 lower elevations. Prevailing south winds up to 10 mph with gusts to around 25 mph. .TONIGHT...Mostly clear. Cooler. Lows 47 to 62. Prevailing southwest winds up to 10 mph. .TUESDAY...Sunny. Highs 69 to 84 higher elevations...79 to 87 lower elevations. Prevailing south winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 46 to 61 higher elevations...54 to 63 lower elevations. Prevailing southwest winds up to 10 mph. .WEDNESDAY...Sunny, warmer. Highs 73 to 88 higher elevations... 83 to 91 lower elevations. Light winds becoming south up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 65. .THURSDAY...Sunny. Highs 75 to 90. .THURSDAY NIGHT...Partly cloudy with a slight chance of rain showers. Lows 50 to 65. .FRIDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 75 to 90. .FRIDAY NIGHT THROUGH SUNDAY...Clear. Lows 49 to 64. Highs 76 to 91. && TEMPERATURE / PRECIPITATION SHASTA DAM 85 60 85 / 20 0 0 $$ = CAZ014-212300- Burney Basin / Eastern Shasta County- Including the city of Burney 523 AM PDT Mon Jul 21 2025 .TODAY...Mostly cloudy with a slight chance of rain showers in the morning, then mostly sunny in the afternoon. Highs 71 to 82. Prevailing west winds up to 15 mph. .TONIGHT...Clear, colder. Lows 41 to 56. Prevailing southwest winds 5 to 15 mph in the evening becoming light. .TUESDAY...Sunny. Highs 71 to 82. Light winds becoming west up to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 41 to 56. Prevailing southwest winds up to 10 mph. .WEDNESDAY...Sunny. Highs 74 to 86. Light winds becoming west up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 43 to 58. .THURSDAY...Mostly sunny. Highs 75 to 86. .THURSDAY NIGHT...Partly cloudy with a slight chance of rain showers. Lows 43 to 58. .FRIDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 75 to 86. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 42 to 57. Highs 73 to 86. .SATURDAY NIGHT AND SUNDAY...Clear. Lows 41 to 56. Highs 73 to 88. && TEMPERATURE / PRECIPITATION BURNEY 78 48 78 / 20 0 0 $$ = CAZ015-212300- Northern Sacramento Valley- Including the cities of Redding and Red Bluff 523 AM PDT Mon Jul 21 2025 .TODAY...Partly cloudy. A slight chance of rain showers late in the morning. Highs 82 to 88. South winds up to 15 mph. Gusts up to 25 mph in the afternoon. .TONIGHT...Clear. Lows around 59. South winds up to 15 mph. Gusts up to 25 mph in the evening. .TUESDAY...Sunny. Highs 81 to 87. South winds up to 10 mph. Gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 57 to 63. Southeast winds up to 10 mph. Gusts up to 20 mph in the evening. .WEDNESDAY...Mostly sunny. Highs 84 to 92. South winds up to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 58 to 64. .THURSDAY...Mostly sunny. Highs 85 to 91. .THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 57 to 64. Highs 85 to 94. && TEMPERATURE / PRECIPITATION REDDING 87 58 87 / 20 0 0 RED BLUFF 87 59 86 / 20 0 0 $$ = CAZ016-212300- Central Sacramento Valley- Including the cities of Chico, Oroville, and Marysville/Yuba City 523 AM PDT Mon Jul 21 2025 .TODAY...Mostly sunny in the morning then becoming mostly cloudy. Highs around 84. Southeast winds up to 15 mph. .TONIGHT...Partly cloudy. Lows around 57. Southeast winds 10 to 15 mph. .TUESDAY...Partly cloudy in the morning then clearing. Highs around 81. Southeast winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 54 to 60. Southeast winds up to 10 mph with gusts to around 20 mph. .WEDNESDAY...Mostly sunny. Highs around 84. Southeast winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 55 to 61. .THURSDAY...Mostly sunny. Highs around 85. .THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 53 to 60. Highs around 86. && TEMPERATURE / PRECIPITATION CHICO 85 60 84 / 10 0 0 OROVILLE 85 59 83 / 10 10 0 MARYSVILLE/YUBA CITY 85 59 81 / 0 10 0 $$ = CAZ017-212300- Southern Sacramento Valley- Including the city of Sacramento 523 AM PDT Mon Jul 21 2025 .TODAY...Sunny. Highs 79 to 87. South winds 10 to 15 mph with gusts to around 25 mph. .TONIGHT...Mostly clear. Lows 54 to 60. South winds 10 to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly cloudy in the morning then clearing. Highs 75 to 83. South winds up to 10 mph with gusts to around 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows 52 to 59. South winds up to 15 mph. .WEDNESDAY...Mostly sunny. Highs 79 to 87. Southwest winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 52 to 60. .THURSDAY...Mostly sunny. Highs 80 to 88. .THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 51 to 59. Highs 80 to 90. && TEMPERATURE / PRECIPITATION SACRAMENTO 82 58 79 / 0 0 0 SAC EXEC AIRPORT 82 57 78 / 0 0 0 $$ = CAZ018-212300- Carquinez Strait and Delta- Including the city of Fairfield/Suisun 523 AM PDT Mon Jul 21 2025 .TODAY...Sunny, breezy. Highs 74 to 80. Southwest winds 10 to 25 mph with gusts to around 35 mph. .TONIGHT...Mostly clear. Near the bay, clear in the evening then becoming mostly cloudy. Lows around 57. Southwest winds 10 to 20 mph with gusts to around 30 mph. .TUESDAY...Mostly cloudy with a slight chance of rain showers in the morning, then mostly sunny in the afternoon. Highs 70 to 76. Southwest winds 10 to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Partly cloudy. Lows around 56. Southwest winds 10 to 15 mph with gusts to around 30 mph. .WEDNESDAY...Mostly sunny. Near the bay, mostly cloudy in the morning then clearing. Highs 73 to 79. Southwest winds 10 to 15 mph with gusts to around 25 mph. .WEDNESDAY NIGHT...Mostly clear. Lows around 56. .THURSDAY...Mostly sunny. Highs 74 to 80. .THURSDAY NIGHT...Clear. Lows around 56. .FRIDAY...Mostly sunny. Highs 73 to 79. .FRIDAY NIGHT...Clear. Lows around 56. .SATURDAY...Mostly sunny. Highs 73 to 79. .SATURDAY NIGHT AND SUNDAY...Clear. Lows around 55. Highs 75 to 81. && TEMPERATURE / PRECIPITATION FAIRFIELD/SUISUN 79 58 76 / 0 10 20 $$ = CAZ019-212300- Northern San Joaquin Valley- Including the cities of Stockton and Modesto 523 AM PDT Mon Jul 21 2025 .TODAY...Sunny. Highs 80 to 88. West winds up to 15 mph. Gusts up to 25 mph in the afternoon. .TONIGHT...Clear. Lows 53 to 59. Northwest winds up to 15 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs 77 to 85. West winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 53 to 59. Northwest winds 10 to 15 mph. .WEDNESDAY...Mostly sunny. Highs 79 to 87. Northwest winds up to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 53 to 59. .THURSDAY...Sunny. Highs 80 to 87. .THURSDAY NIGHT THROUGH SATURDAY...Clear. Lows 53 to 59. Highs 79 to 87. .SATURDAY NIGHT...Mostly clear. Lows 53 to 59. .SUNDAY...Sunny. Highs 82 to 90. && TEMPERATURE / PRECIPITATION STOCKTON 86 56 83 / 0 0 0 MODESTO 87 58 84 / 0 0 0 $$ = CAZ063-212300- Mountains Southwestern Shasta County to Western Colusa County- Including the city of Alder Springs 523 AM PDT Mon Jul 21 2025 .TODAY...Partly cloudy early in the morning, then a slight chance of rain showers late in the morning. Mostly sunny in the afternoon. Highs 65 to 80 higher elevations...81 to 86 lower elevations. Light winds becoming southeast up to 10 mph in the afternoon. .TONIGHT...Mostly clear. Cooler. Lows 48 to 58 higher elevations...56 to 63 lower elevations. Prevailing southwest winds up to 10 mph shifting to the north after midnight. Gusts up to 25 mph. .TUESDAY...Sunny. Highs 63 to 78 higher elevations...79 to 85 lower elevations. Prevailing east winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 49 to 61 higher elevations...57 to 64 lower elevations. Prevailing southeast winds up to 10 mph in the evening becoming light. .WEDNESDAY...Mostly sunny. Warmer. Highs 66 to 81 higher elevations...83 to 89 lower elevations. Light winds becoming southeast up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 52 to 66. .THURSDAY...Mostly sunny. Highs 71 to 86. .THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 51 to 66. Highs 71 to 86. && TEMPERATURE / PRECIPITATION ALDER SPRINGS 71 53 69 / 10 10 0 $$ = CAZ066-212300- Northeast Foothills/Sacramento Valley- Including the city of Paradise 523 AM PDT Mon Jul 21 2025 .TODAY...Partly cloudy early in the morning, then a slight chance of rain showers late in the morning. Mostly cloudy in the afternoon. Highs 72 to 86. Prevailing south winds up to 10 mph with gusts to around 25 mph. .TONIGHT...Mostly clear. Lows 53 to 61. Prevailing southeast winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Sunny. Highs 72 to 86. Prevailing southwest winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 55 to 63. Prevailing south winds up to 10 mph in the evening becoming light. .WEDNESDAY...Mostly sunny. Highs 75 to 89. Light winds becoming southwest up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 56 to 65. .THURSDAY...Mostly sunny. Highs 75 to 89. .THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 55 to 64. Highs 76 to 91. && TEMPERATURE / PRECIPITATION PARADISE 77 59 76 / 10 10 0 $$ = CAZ067-212300- Motherlode- Including the cities of Grass Valley and Jackson 523 AM PDT Mon Jul 21 2025 .TODAY...Sunny. Highs 76 to 86. Prevailing south winds up to 10 mph. .TONIGHT...Mostly clear. Lows 51 to 59. Prevailing southwest winds up to 10 mph in the evening becoming light. .TUESDAY...Mostly sunny. Highs 73 to 83. Prevailing southwest winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 51 to 61. Prevailing west winds up to 10 mph in the evening becoming light. .WEDNESDAY...Sunny. Highs 75 to 85. Prevailing southwest winds up to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 53 to 61. .THURSDAY...Mostly sunny. Highs 76 to 86. .THURSDAY NIGHT THROUGH SATURDAY...Clear. Lows 52 to 60. Highs 75 to 86. .SATURDAY NIGHT...Mostly clear. Lows 52 to 60. .SUNDAY...Sunny. Highs 78 to 88. && TEMPERATURE / PRECIPITATION GRASS VALLEY 78 55 76 / 10 10 0 JACKSON 82 53 78 / 0 0 0 $$ = CAZ068-212300- Western Plumas County/Lassen Park- Including the cities of Chester and Quincy 523 AM PDT Mon Jul 21 2025 .TODAY...Mostly sunny early in the morning, then a slight chance of rain showers late in the morning. Mostly cloudy in the afternoon. Highs 59 to 74 higher elevations...65 to 80 lower elevations. Prevailing southwest winds up to 15 mph. .TONIGHT...Mostly clear. Colder. Lows 43 to 58. Prevailing southwest winds up to 10 mph with gusts to around 25 mph in the evening becoming light. .TUESDAY...Mostly sunny. Highs 60 to 75 higher elevations...66 to 81 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 44 to 59. Prevailing southwest winds up to 10 mph in the evening becoming light. .WEDNESDAY...Mostly sunny. Warmer. Highs 63 to 78 higher elevations...69 to 84 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 60. .THURSDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 67 to 82. .THURSDAY NIGHT...Mostly clear. Lows 45 to 60. .FRIDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 67 to 82. .FRIDAY NIGHT THROUGH SUNDAY...Clear. Lows 44 to 59. Highs 68 to 83. && TEMPERATURE / PRECIPITATION QUINCY 82 48 82 / 10 10 0 CHESTER 78 44 78 / 20 0 0 $$ = CAZ069-212300- West Slope Northern Sierra Nevada- Including the city of Blue Canyon 523 AM PDT Mon Jul 21 2025 .TODAY...Sunny. Highs 61 to 76 higher elevations...72 to 84 lower elevations. Prevailing south winds up to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly clear. Colder. Lows 41 to 56 higher elevations...50 to 62 lower elevations. Prevailing southwest winds up to 10 mph in the evening becoming light. Gusts up to 25 mph. .TUESDAY...Mostly sunny. Highs 59 to 74 higher elevations...69 to 81 lower elevations. Prevailing south winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 40 to 55 higher elevations... 49 to 63 lower elevations. Prevailing southwest winds up to 10 mph in the evening becoming light. .WEDNESDAY...Sunny. A slight chance of rain showers in the afternoon. Highs 61 to 76 higher elevations...71 to 81 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain showers. Lows 44 to 59. .THURSDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 64 to 79. .THURSDAY NIGHT THROUGH SATURDAY...Clear. Lows 44 to 59. Highs 65 to 80. .SATURDAY NIGHT...Mostly clear. Lows 44 to 59. .SUNDAY...Sunny, warmer. Highs 67 to 82. && TEMPERATURE / PRECIPITATION BLUE CANYON 71 57 68 / 10 10 10 $$ =