


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
303 FNUS56 KSTO 030731 FWFSTO Fire Weather Planning Forecast for Interior Northern California National Weather Service Sacramento CA 1230 AM PDT THU JUL 3 2025 NOTE: THIS PRODUCT HAS UPDATED FORECAST DATA BUT THE FORECAST DISCUSSION IS FROM THE PREVIOUS DAY. ...Elevated fire weather conditions on Thursday in the Coastal Range due to breezy winds and low daytime relative humidity values... .DISCUSSION... Warm weather and periodically breezy winds continue, with isolated afternoon and evening mountain thunderstorm chances through Thursday. Best chances for thunderstorms exists along the Sierra and southern Cascades and Burney Basin today. Any thunderstorm that develops will impose the risk of lightning on dry fuels, along with gusty and erratic winds. Breezy winds and low humidity values on Thursday will introduce a period of elevated fire weather conditions primarily in the Coastal Range. Cooling and drying trend begins on Friday. CAZ213-040000- Eastern Portion of Shasta-Trinity NF- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny in the morning then becoming partly cloudy. * Max Temperature........90-95 lower elevations...except 80-90 higher elevations. * 24 HR Trend..........6 degrees cooler. * Min Humidity...........21-27 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....North winds 4 to 9 mph shifting to the southwest 5 to 11 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........8400 ft AGL. * Chance of thunder......13 percent. .TONIGHT... * Sky/Weather............Mostly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. * Min Temperature........58-63 lower elevations...except 50-58 higher elevations. * 24 HR Trend..........MISSING. * Max Humidity...........63-78 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Northwest winds 5 to 11 mph. * CWR....................10 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......14 percent. .INDEPENDENCE DAY... * Sky/Weather............Mostly sunny. * Max Temperature........81-86 lower elevations...except 70-80 higher elevations. * Min Humidity...........26-41 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....Southwest winds 4 to 9 mph. * Mixing Height..........6000 ft AGL. * CWR....................0 percent. * Chance of thunder......4 percent. $$ CAZ214-040000- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny in the morning then becoming partly cloudy. * Max Temperature........85-90 lower elevations...except 79-84 higher elevations. * 24 HR Trend..........4 degrees cooler. * Min Humidity...........24-29 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 5 to 11 mph with local gusts up to 25 mph in the afternoon. * Ridges/Upr Slopes....North winds up to 7 mph shifting to the southwest 6 to 12 mph with local gusts up to 25 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........9100 ft AGL. * Chance of thunder......12 percent. .TONIGHT... * Sky/Weather............Mostly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. * Min Temperature........50-55 lower elevations...except 44-53 higher elevations. * 24 HR Trend..........MISSING. * Max Humidity...........70-83 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 4 to 10 mph with local gusts up to 20 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Southwest winds 5 to 11 mph in the evening becoming variable up to 5 mph. * CWR....................10 percent. * Mixing Height..........1000 ft AGL. * Chance of thunder......12 percent. .INDEPENDENCE DAY... * Sky/Weather............Mostly sunny. * Max Temperature........75-80 lower elevations...except 69-75 higher elevations. * Min Humidity...........26-41 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 6 to 12 mph with local gusts up to 25 mph in the afternoon. * Ridges/Upr Slopes....West winds 4 to 9 mph. Local gusts up to 25 mph in the afternoon. * Mixing Height..........7200 ft AGL. * CWR....................0 percent. * Chance of thunder......7 percent. $$ CAZ215-040000- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny in the morning then becoming partly cloudy. * Max Temperature........93-100. * 24 HR Trend..........7 degrees cooler. * Min Humidity...........21-29 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds up to 7 mph shifting to the south 5 to 11 mph with local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........9200 ft AGL. * Chance of thunder......7 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........60-65. * 24 HR Trend..........MISSING. * Max Humidity...........59-74 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds..........West winds 4 to 9 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........900 ft AGL. * Chance of thunder......8 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........85-91. * Min Humidity...........23-38 percent. * 20-Foot Winds..........South winds up to 8 mph. * Mixing Height..........6100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ216-040000- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny in the morning then becoming partly cloudy. * Max Temperature........91-96. * 24 HR Trend..........7 degrees cooler. * Min Humidity...........27-36 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southeast winds 6 to 12 mph. Local gusts up to 25 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........4200 ft AGL. * Chance of thunder......2 percent. .TONIGHT... * Sky/Weather............Partly cloudy in the evening then clearing. * Min Temperature........57-62. * 24 HR Trend..........MISSING. * Max Humidity...........67-82 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds..........South winds 9 to 15 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......2 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........85-90. * Min Humidity...........25-40 percent. * 20-Foot Winds..........Southeast winds 5 to 11 mph. * Mixing Height..........5100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ217-040000- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * 24 HR Trend..........6 degrees cooler. * Min Humidity...........26-34 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........South winds 6 to 12 mph. Local gusts up to 25 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........4300 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........55-60. * 24 HR Trend..........MISSING. * Max Humidity...........66-79 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds..........South winds 8 to 14 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........83-88. * Min Humidity...........24-39 percent. * 20-Foot Winds..........South winds 5 to 11 mph with local gusts up to 20 mph. * Mixing Height..........4600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ218-040000- Carquinez Strait and Delta- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Partly cloudy in the morning then becoming mostly sunny. * Max Temperature........82-90. * 24 HR Trend..........5 degrees cooler. * Min Humidity...........32-43 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southwest winds 9 to 15 mph. Local gusts up to 20 mph increasing to 30 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........2500 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........55-60. * 24 HR Trend..........MISSING. * Max Humidity...........73-80 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds..........Southwest winds 12 to 18 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........75-83. * Min Humidity...........41-56 percent. * 20-Foot Winds..........Southwest winds 9 to 15 mph with local gusts up to 30 mph. * Mixing Height..........2900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ219-040000- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * 24 HR Trend..........4 degrees cooler. * Min Humidity...........20-30 percent. * 24 HR Trend..........5 percent down. * 20-Foot Winds..........West winds 9 to 15 mph. * CWR....................0 percent. * Mixing Height..........4800 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........56-61. * 24 HR Trend..........MISSING. * Max Humidity...........62-74 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds..........West winds 13 to 19 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........83-88. * Min Humidity...........18-33 percent. * 20-Foot Winds..........West winds 8 to 14 mph. * Mixing Height..........4900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ263-279-040000- Southeast Edge Shasta-Trinity NF and Western Portions of Tehama- Glenn Unit-Eastern Mendocino NF- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny in the morning then becoming partly cloudy. * Max Temperature........91-96 lower elevations...except 75-85 higher elevations. * 24 HR Trend..........6 degrees cooler. * Min Humidity...........22-29 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 5 to 11 mph shifting to the south 6 to 12 mph in the afternoon. * Ridges/Upr Slopes....West winds 7 to 13 mph. Local gusts up to 25 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7900 ft AGL. * Chance of thunder......7 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........60-65 lower elevations...except 50-57 higher elevations. * 24 HR Trend..........MISSING. * Max Humidity...........42-55 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 8 to 14 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....West winds 8 to 14 mph. * CWR....................0 percent. * Mixing Height..........800 ft AGL. * Chance of thunder......7 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........82-87 lower elevations...except 66-76 higher elevations. * Min Humidity...........30-45 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 4 to 9 mph shifting to the southeast in the afternoon. * Ridges/Upr Slopes....Northwest winds 5 to 11 mph shifting to the south in the afternoon. * Mixing Height..........6200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ266-040000- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........88-93 lower elevations...except 83-90 higher elevations. * 24 HR Trend..........6 degrees cooler. * Min Humidity...........24-32 percent. * 24 HR Trend..........4 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 5 to 11 mph. * Ridges/Upr Slopes....South winds 5 to 11 mph. Local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........6700 ft AGL. * Chance of thunder......5 percent. .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........56-63. * 24 HR Trend..........MISSING. * Max Humidity...........56-71 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds 4 to 9 mph. * Ridges/Upr Slopes....Southeast winds 4 to 9 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......6 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........80-85 lower elevations...except 74-80 higher elevations. * Min Humidity...........29-44 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 4 to 10 mph. Local gusts up to 20 mph in the afternoon. * Ridges/Upr Slopes....South winds 4 to 10 mph. * Mixing Height..........5500 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ CAZ220-267-040000- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Toulumne-Calaveras Unit- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and Eldorado Units- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........85-93. * 24 HR Trend..........4 degrees cooler. * Min Humidity...........23-30 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 4 to 9 mph. * Ridges/Upr Slopes....Southwest winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........5600 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........55-60. * 24 HR Trend..........MISSING. * Max Humidity...........61-72 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 4 to 9 mph. * Ridges/Upr Slopes....Southeast winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........77-86. * Min Humidity...........18-33 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds up to 8 mph. * Ridges/Upr Slopes....Southwest winds up to 8 mph. * Mixing Height..........5300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ268-040000- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny in the morning then becoming partly cloudy. * Max Temperature........77-85 lower elevations...except 70-78 higher elevations. * 24 HR Trend..........5 degrees cooler. * Min Humidity...........24-36 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 6 to 12 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....Southwest winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........6900 ft AGL. * Chance of thunder......6 percent. .TONIGHT... * Sky/Weather............Mostly clear. At higher elevations, a slight chance of showers in the evening. * Min Temperature........43-55. * 24 HR Trend..........MISSING. * Max Humidity...........63-78 percent...except 78-88 percent in the high mountain valleys. * 24 HR Trend..........MISSING. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 6 to 12 mph. * Ridges/Upr Slopes....South winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........900 ft AGL. * Chance of thunder......6 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........68-74 lower elevations...except 61-69 higher elevations. * Min Humidity...........33-48 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 6 to 12 mph. * Ridges/Upr Slopes....Southwest winds 6 to 12 mph. Local gusts up to 25 mph in the afternoon. * Mixing Height..........5500 ft AGL. * CWR....................0 percent. * Chance of thunder......2 percent. $$ CAZ221-269-040000- Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and Eldorado NF/S West of the Sierra Crest- 1230 AM PDT Thu Jul 3 2025 .TODAY... * Sky/Weather............Mostly sunny in the morning then becoming partly cloudy. * Max Temperature........81-87 lower elevations...except 69-79 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........26-33 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 8 to 14 mph. * Ridges/Upr Slopes....Southwest winds 9 to 15 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........6200 ft AGL. * Chance of thunder......1 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........52-59 lower elevations...except 41-51 higher elevations. * 24 HR Trend..........MISSING. * Max Humidity...........52-67 percent. * 24 HR Trend..........MISSING. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds 6 to 12 mph. * Ridges/Upr Slopes....South winds 6 to 12 mph. Local gusts up to 25 mph in the evening. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......1 percent. .INDEPENDENCE DAY... * Sky/Weather............Sunny. * Max Temperature........72-78 lower elevations...except 60-70 higher elevations. * Min Humidity...........26-41 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 8 to 14 mph. * Ridges/Upr Slopes....Southwest winds 9 to 15 mph with local gusts up to 30 mph. * Mixing Height..........5400 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ .Extended... ...Shasta County Mountains and Coastal Range .FRIDAY NIGHT...Clear. Lows 48 to 58. West winds up to 13 mph. .SATURDAY...Sunny. Highs 75 to 85. East winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 51 to 61. Northwest winds up to 13 mph. .SUNDAY...Sunny. Highs 80 to 90. Variable less than 5 mph. .SUNDAY NIGHT...Clear. Lows 54 to 64. Variable less than 5 mph. .MONDAY...Sunny. Highs 82 to 92. Southeast winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 55 to 65. West winds up to 10 mph. ...Northern Sierra and Lassen Park .FRIDAY NIGHT...Clear. Lows 47 to 57. Southeast winds up to 10 mph. .SATURDAY...Sunny. Highs 75 to 83. Southwest winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 50 to 60. Northeast winds up to 10 mph. .SUNDAY...Sunny. Highs 80 to 89. Southwest winds up to 10 mph. .SUNDAY NIGHT...Clear. Lows 53 to 63. Variable less than 5 mph. .MONDAY...Sunny. Highs 82 to 91. Southwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 54 to 64. Variable less than 5 mph. ...Sierra Nevada Foothills .FRIDAY NIGHT...Clear. Lows 53 to 59. East winds up to 10 mph. .SATURDAY...Sunny. Highs 82 to 88. Southwest winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 57 to 64. East winds up to 10 mph. .SUNDAY...Sunny. Highs 86 to 92. Variable less than 5 mph. .SUNDAY NIGHT...Clear. Lows 60 to 66. Variable less than 5 mph. .MONDAY...Sunny. Highs 89 to 95. Southwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 61 to 67. Variable less than 5 mph. ...Central Valley and Delta .FRIDAY NIGHT...Clear. Lows 52 to 57. South winds 5 to 15 mph. .SATURDAY...Sunny. Highs 87 to 92. West winds up to 13 mph. .SATURDAY NIGHT...Clear. Lows 54 to 60. Southwest winds up to 13 mph. .SUNDAY...Sunny. Highs 91 to 96. Variable less than 5 mph. .SUNDAY NIGHT...Clear. Lows 56 to 62. Southwest winds up to 10 mph. .MONDAY...Sunny. Highs 93 to 98. Southwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 56 to 63. Southwest winds 5 to 10 mph. $$