FNUS56 KSTO 091007 FWFSTO Fire Weather Planning Forecast for Interior Northern California National Weather Service Sacramento CA 307 AM PDT Wed Apr 9 2025 .DISCUSSION... Warm and dry weather prevails through the end of the week. Slight chance for light showers or isolated thunderstorms late Friday, mainly over Shasta County and adjacent terrain. Periods of breezy north to east winds at times this weekend. CAZ213-100015- Eastern Portion of Shasta-Trinity NF- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Partly cloudy in the morning then clearing. * Max Temperature........73-78 lower elevations...except 62-71 higher elevations. * 24 HR Trend..........9 degrees warmer. * Min Humidity...........36-46 percent. * 24 HR Trend..........15 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph. * Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the south in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........49-54 lower elevations...except 41-49 higher elevations. * 24 HR Trend..........5 degrees warmer. * Max Humidity...........67-81 percent. * 24 HR Trend..........8 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 7 mph. * Ridges/Upr Slopes....North winds up to 7 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........72-77 lower elevations...except 62-70 higher elevations. * Min Humidity...........42-57 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the south 6 to 12 mph with local gusts up to 25 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ214-100015- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Partly cloudy in the morning then clearing. * Max Temperature........68-73 lower elevations...except 63-68 higher elevations. * 24 HR Trend..........9 degrees warmer. * Min Humidity...........30-35 percent. * 24 HR Trend..........12 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up to 8 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 4 to 10 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........38-44. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........78-85 percent lower elevations...except 63-78 percent high elevations. * 24 HR Trend..........13 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 7 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening becoming variable up to 5 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........69-74 lower elevations...except 63-69 higher elevations. * Min Humidity...........30-45 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 4 to 10 mph with local gusts up to 20 mph in the afternoon. * Ridges/Upr Slopes....South winds 5 to 11 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ215-100015- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........76-81. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........31-36 percent. * 24 HR Trend..........6 percent down. * 20-Foot Winds..........North winds up to 6 mph shifting to the southeast in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........51-56. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........72-84 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northeast winds up to 6 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........76-82. * Min Humidity...........33-43 percent. * 20-Foot Winds..........North winds up to 5 mph shifting to the southeast up to 8 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ216-100015- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........78-83. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........32-39 percent. * 24 HR Trend..........5 percent down. * 20-Foot Winds..........Northwest winds up to 7 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........51-56. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........74-89 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southeast winds up to 7 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........77-82. * Min Humidity...........30-44 percent. * 20-Foot Winds..........Southeast winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ217-100015- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........78-83. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........35-41 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds..........Northwest winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........49-54. * 24 HR Trend..........Little change. * Max Humidity...........82-91 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........South winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........77-82. * Min Humidity...........34-49 percent. * 20-Foot Winds..........South winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ218-100015- Carquinez Strait and Delta- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........78-83. * 24 HR Trend..........8 degrees warmer. * Min Humidity...........35-42 percent. * 24 HR Trend..........5 percent down. * 20-Foot Winds..........West winds 4 to 9 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........49-54. * 24 HR Trend..........Little change. * Max Humidity...........81-90 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........West winds 5 to 11 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........75-80. * Min Humidity...........40-55 percent. * 20-Foot Winds..........West winds 6 to 12 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ219-100015- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........78-83. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........34-43 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 4 to 10 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........51-56. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........73-85 percent. * 24 HR Trend..........7 percent down. * 20-Foot Winds..........Northwest winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........76-82. * Min Humidity...........31-46 percent. * 20-Foot Winds..........Northwest winds 4 to 9 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ263-279-100015- Southeast Edge Shasta-Trinity NF and Western Portions of Tehama- Glenn Unit-Eastern Mendocino NF- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........73-78 lower elevations...except 58-68 higher elevations. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........34-39 percent lower elevations...except 41-51 percent high elevations. * 24 HR Trend..........8 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming east up to 7 mph in the afternoon. * Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the southeast 5 to 11 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........51-56 lower elevations...except 43-50 higher elevations. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........58-72 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph. * Ridges/Upr Slopes....West winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........74-79 lower elevations...except 58-68 higher elevations. * Min Humidity...........36-51 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast up to 8 mph in the afternoon. * Ridges/Upr Slopes....Southwest winds 5 to 11 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ266-100015- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........73-78 lower elevations...except 68-73 higher elevations. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........36-42 percent. * 24 HR Trend..........8 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds up to 8 mph shifting to the southwest in the afternoon. * Ridges/Upr Slopes....East winds up to 8 mph shifting to the southwest in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........49-56. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........55-67 percent. * 24 HR Trend..........6 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 8 mph. * Ridges/Upr Slopes....East winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........73-78 lower elevations...except 68-73 higher elevations. * Min Humidity...........35-50 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 8 mph shifting to the southwest 4 to 10 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 8 mph shifting to the southwest 4 to 10 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ220-267-100015- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Toulumne-Calaveras Unit- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and Eldorado Units- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........71-79. * 24 HR Trend..........7 degrees warmer. * Min Humidity...........40-45 percent. * 24 HR Trend..........7 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the west up to 8 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........49-56. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........73-83 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 7 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Northeast winds up to 7 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........70-79. * Min Humidity...........36-51 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up to 8 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 7 mph shifting to the southwest up to 8 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ268-100015- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........63-69 lower elevations...except 55-63 higher elevations. * 24 HR Trend..........8 degrees warmer. * Min Humidity...........33-47 percent. * 24 HR Trend..........14 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 5 to 11 mph. * Ridges/Upr Slopes....Southwest winds 5 to 11 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........38-46 lower elevations...except 35-41 higher elevations. * 24 HR Trend..........5 degrees warmer. * Max Humidity...........57-72 percent...except 75-87 percent in the high mountain valleys. * 24 HR Trend..........9 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds 4 to 9 mph. * Ridges/Upr Slopes....South winds 4 to 9 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........62-68 lower elevations...except 55-63 higher elevations. * Min Humidity...........33-48 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 8 to 14 mph. * Ridges/Upr Slopes....South winds 8 to 14 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ CAZ221-269-100015- Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and Eldorado NF/S West of the Sierra Crest- 307 AM PDT Wed Apr 9 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........68-73 lower elevations...except 57-67 higher elevations. * 24 HR Trend..........8 degrees warmer. * Min Humidity...........32-41 percent. * 24 HR Trend..........18 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up to 8 mph in the afternoon. * Ridges/Upr Slopes....Southeast winds 4 to 9 mph shifting to the southwest 5 to 11 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........46-51 lower elevations...except 34-44 higher elevations. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........66-78 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds up to 8 mph. * Ridges/Upr Slopes....Southeast winds up to 8 mph. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........67-73 lower elevations...except 56-66 higher elevations. * Min Humidity...........28-43 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 4 to 10 mph in the afternoon. * Ridges/Upr Slopes....Southeast winds 4 to 10 mph shifting to the southwest 7 to 13 mph with local gusts up to 25 mph in the afternoon. * CWR....................0 percent. * CHANCE OF THUNDER...0 percent. $$ .Extended... ...Shasta County Mountains and Coastal Range .THURSDAY NIGHT...Mostly cloudy. Lows 41 to 49. West winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Highs 58 to 67. West winds up to 13 mph. .FRIDAY NIGHT...Colder. Partly cloudy with a slight chance of showers. Lows 33 to 40. Northwest winds 10 to 20 mph. .SATURDAY...Sunny. Highs 52 to 62. North winds 8 to 18 mph. .SATURDAY NIGHT...Clear. Lows 30 to 40. North winds 8 to 18 mph. .SUNDAY...Warmer, sunny. Highs 58 to 68. Northeast winds 8 to 18 mph. .SUNDAY NIGHT...Clear. Lows 35 to 45. North winds 5 to 15 mph. ...Northern Sierra and Lassen Park .THURSDAY NIGHT...Partly cloudy. Lows 42 to 51. East winds up to 10 mph. .FRIDAY...Mostly cloudy. Highs 61 to 70. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers. Lows 37 to 44. South winds up to 10 mph. .SATURDAY...Mostly sunny. Highs 56 to 64. West winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 32 to 42. Northeast winds up to 10 mph. .SUNDAY...Sunny. Highs 60 to 68. Northeast winds 5 to 15 mph. .SUNDAY NIGHT...Clear. Lows 36 to 46. Northeast winds up to 10 mph. ...Sierra Nevada Foothills .THURSDAY NIGHT...Mostly cloudy. Lows 50 to 55. East winds up to 10 mph. .FRIDAY...Mostly cloudy. Highs 69 to 74. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 43 to 48. Southeast winds up to 10 mph. .SATURDAY...Sunny. Highs 64 to 69. Northwest winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 43 to 48. Northeast winds up to 10 mph. .SUNDAY...Sunny. Highs 68 to 73. Northwest winds up to 10 mph. .SUNDAY NIGHT...Clear. Lows 46 to 51. Northeast winds up to 10 mph. ...Central Valley and Delta .THURSDAY NIGHT...Mostly cloudy. Lows 53 to 58. Southwest winds up to 13 mph. .FRIDAY...Mostly cloudy. Highs 77 to 82. West winds up to 13 mph. .FRIDAY NIGHT...Cooler. Mostly clear. Lows 45 to 50. West winds 5 to 15 mph. .SATURDAY...Sunny. Highs 72 to 77. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Clear. Lows 46 to 51. Northwest winds 5 to 15 mph. .SUNDAY...Sunny. Highs 76 to 81. Northwest winds 8 to 18 mph. .SUNDAY NIGHT...Clear. Lows 47 to 52. Northwest winds 5 to 10 mph. $$