


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
895 FNUS56 KSTO 020731 FWFSTO Fire Weather Planning Forecast for Interior Northern California National Weather Service Sacramento CA 1230 AM PDT Sat Aug 2 2025 NOTE: THIS PRODUCT HAS UPDATED FORECAST DATA BUT THE FORECAST DISCUSSION IS FROM THE PREVIOUS DAY. ...ISOLATED HIGH ELEVATION THUNDERSTORM CHANCES THROUGH THE WEEKEND... .DISCUSSION... Isolated thunderstorm chances continue through the weekend across the Coast Range and Shasta County mountains. Gusty outflow winds and isolated lightning strikes will result in elevated fire weather conditions. Near normal temperatures and breezy south to west winds continue into the weekend, with winds becoming breezier on Sunday. CAZ213-030000- Eastern Portion of Shasta-Trinity NF- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........92-97 lower elevations...except 82-92 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........19-27 percent. * 24 HR Trend..........4 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south up to 7 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the southwest 4 to 9 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........9600 ft AGL. * Chance of thunder......4 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........64-69 lower elevations...except 55-65 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........56-71 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds up to 8 mph. * Ridges/Upr Slopes....West winds 4 to 9 mph shifting to the north up to 8 mph after midnight. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......3 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........90-95 lower elevations...except 78-88 higher elevations. * Min Humidity...........23-38 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 8 mph shifting to the southwest 4 to 9 mph with local gusts up to 20 mph in the afternoon. * Mixing Height..........8000 ft AGL. * CWR....................0 percent. * Chance of thunder......4 percent. $$ CAZ214-030000- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........85-90 lower elevations...except 79-85 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........21-26 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 4 to 9 mph with local gusts up to 20 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 4 to 9 mph with local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........9900 ft AGL. * Chance of thunder......2 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........54-59 lower elevations...except 48-58 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........60-72 percent. * 24 HR Trend..........7 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening becoming variable up to 5 mph. * CWR....................0 percent. * Mixing Height..........800 ft AGL. * Chance of thunder......1 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........83-88 lower elevations...except 77-83 higher elevations. * Min Humidity...........23-33 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 4 to 9 mph with local gusts up to 20 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 4 to 9 mph with local gusts up to 20 mph in the afternoon. * Mixing Height..........9100 ft AGL. * CWR....................0 percent. * Chance of thunder......4 percent. $$ CAZ215-030000- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........95-100. * 24 HR Trend..........Little change. * Min Humidity...........21-26 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southeast winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........8700 ft AGL. * Chance of thunder......1 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........66-71. * 24 HR Trend..........Little change. * Max Humidity...........55-65 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds..........Southwest winds up to 8 mph shifting to the northwest up to 7 mph after midnight. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......1 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........92-97. * Min Humidity...........23-38 percent. * 20-Foot Winds..........South winds up to 8 mph. * Mixing Height..........6500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ216-030000- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........93-98. * 24 HR Trend..........Little change. * Min Humidity...........23-33 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southeast winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........4900 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........61-66. * 24 HR Trend..........Little change. * Max Humidity...........65-80 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds..........Southeast winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........91-96. * Min Humidity...........25-40 percent. * 20-Foot Winds..........Southeast winds 4 to 9 mph. * Mixing Height..........4300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ217-030000- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........92-97. * 24 HR Trend..........Little change. * Min Humidity...........22-31 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........South winds 4 to 10 mph. Local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........5000 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........57-62. * 24 HR Trend..........Little change. * Max Humidity...........73-88 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........South winds 5 to 11 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........89-94. * Min Humidity...........24-39 percent. * 20-Foot Winds..........South winds 5 to 11 mph. Local gusts up to 20 mph in the afternoon. * Mixing Height..........3600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ218-030000- Carquinez Strait and Delta- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........85-92. * 24 HR Trend..........Little change. * Min Humidity...........33-45 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........West winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........2700 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........56-61. * 24 HR Trend..........Little change. * Max Humidity...........83-91 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southwest winds 9 to 15 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........80-88. * Min Humidity...........40-55 percent. * 20-Foot Winds..........Southwest winds 8 to 14 mph with local gusts up to 25 mph. * Mixing Height..........2400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ219-030000- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........92-97. * 24 HR Trend..........Little change. * Min Humidity...........23-31 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........4700 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........58-63. * 24 HR Trend..........Little change. * Max Humidity...........67-82 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 9 to 15 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........88-93. * Min Humidity...........20-35 percent. * 20-Foot Winds..........West winds 7 to 13 mph. * Mixing Height..........3800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ263-279-030000- Southeast Edge Shasta-Trinity NF and Western Portions of Tehama- Glenn Unit-Eastern Mendocino NF- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Mostly sunny. * Max Temperature........92-97 lower elevations...except 76-86 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........26-35 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 8 mph shifting to the southeast in the afternoon. * Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the south 5 to 11 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........8200 ft AGL. * Chance of thunder......2 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........68-73 lower elevations...except 59-66 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........46-55 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 6 to 12 mph. * Ridges/Upr Slopes....West winds 6 to 12 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......1 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........89-94 lower elevations...except 73-83 higher elevations. * Min Humidity...........26-41 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 5 to 11 mph shifting to the southeast up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northwest winds 6 to 12 mph shifting to the south 5 to 11 mph in the afternoon. * Mixing Height..........6800 ft AGL. * CWR....................0 percent. * Chance of thunder......2 percent. $$ CAZ266-030000- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........90-95 lower elevations...except 85-91 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........20-25 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds up to 7 mph shifting to the southwest up to 8 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southwest up to 8 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........7000 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........64-69. * 24 HR Trend..........Little change. * Max Humidity...........43-54 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 8 mph. * Ridges/Upr Slopes....East winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........87-92 lower elevations...except 82-88 higher elevations. * Min Humidity...........24-39 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 4 to 9 mph. * Ridges/Upr Slopes....South winds 4 to 9 mph. * Mixing Height..........5900 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ CAZ220-267-030000- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Toulumne-Calaveras Unit- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and Eldorado Units- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........87-92. * 24 HR Trend..........Little change. * Min Humidity...........19-24 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southwest up to 8 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........5900 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........60-65. * 24 HR Trend..........Little change. * Max Humidity...........45-59 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds up to 8 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening becoming variable up to 5 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........86-91. * Min Humidity...........15-30 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest up to 8 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southwest up to 8 mph in the afternoon. * Mixing Height..........4900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ268-030000- 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 Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........78-86 lower elevations...except 72-79 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........21-29 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 7 mph shifting to the southwest 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....West winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........7400 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........50-60. * 24 HR Trend..........Little change. * Max Humidity...........46-61 percent...except 62-70 percent in the high mountain valleys. * 24 HR Trend..........6 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds up to 8 mph shifting to the east up to 7 mph after midnight. * Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the southeast up to 7 mph after midnight. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........77-83 lower elevations...except 69-77 higher elevations. * Min Humidity...........22-37 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 8 mph shifting to the southwest 4 to 9 mph with local gusts up to 20 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 7 mph shifting to the southwest 5 to 11 mph in the afternoon. * Mixing Height..........6900 ft AGL. * CWR....................0 percent. * Chance of thunder......2 percent. $$ CAZ221-269-030000- Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and Eldorado NF/S West of the Sierra Crest- 1230 AM PDT Sat Aug 2 2025 .TODAY... * Sky/Weather............Sunny. * Max Temperature........83-88 lower elevations...except 70-80 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........20-26 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 4 to 10 mph. * Ridges/Upr Slopes....Southwest winds 4 to 10 mph. * CWR....................0 percent. * Mixing Height..........5900 ft AGL. * Chance of thunder......0 percent. .TONIGHT... * Sky/Weather............Clear. * Min Temperature........56-64 lower elevations...except 45-55 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........40-55 percent. * 24 HR Trend..........8 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 7 mph shifting to the east after midnight. * Ridges/Upr Slopes....Southwest winds 4 to 9 mph shifting to the east up to 8 mph after midnight. * CWR....................0 percent. * Mixing Height..........300 ft AGL. * Chance of thunder......0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature........81-87 lower elevations...except 68-78 higher elevations. * Min Humidity...........17-32 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 7 mph shifting to the southwest 5 to 11 mph in the afternoon. * Ridges/Upr Slopes....Southeast winds up to 8 mph shifting to the southwest 6 to 12 mph with local gusts up to 25 mph in the afternoon. * Mixing Height..........5700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ .Extended... ...Shasta County Mountains and Coastal Range .SUNDAY NIGHT...Mostly clear. Lows 52 to 60. Northwest winds 5 to 15 mph. .MONDAY...Sunny. Highs 75 to 85. Northwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 52 to 62. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs 79 to 89. Variable less than 5 mph. .TUESDAY NIGHT...Clear. Lows 55 to 65. Northwest winds up to 10 mph. .WEDNESDAY...Sunny. Highs 81 to 91. Variable less than 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 57 to 67. West winds up to 10 mph. ...Northern Sierra and Lassen Park .SUNDAY NIGHT...Clear. Lows 50 to 60. Southeast winds up to 10 mph. .MONDAY...Sunny. Highs 75 to 84. Southwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 50 to 60. Northeast winds up to 10 mph. .TUESDAY...Sunny. Highs 79 to 87. Southwest winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 53 to 63. Variable less than 5 mph. .WEDNESDAY...Sunny. Highs 82 to 90. Southwest winds up to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 55 to 65. Variable less than 5 mph. ...Sierra Nevada Foothills .SUNDAY NIGHT...Clear. Lows 57 to 62. Southeast winds up to 10 mph. .MONDAY...Sunny. Highs 82 to 87. Southwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 58 to 64. East winds up to 10 mph. .TUESDAY...Sunny. Highs 86 to 91. Variable less than 5 mph. .TUESDAY NIGHT...Clear. Lows 62 to 67. Variable less than 5 mph. .WEDNESDAY...Sunny. Highs 89 to 95. Variable less than 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 64 to 69. Variable less than 5 mph. ...Central Valley and Delta .SUNDAY NIGHT...Clear. Lows 57 to 62. Southwest winds 10 to 20 mph. .MONDAY...Sunny. Highs 87 to 92. Southwest winds 5 to 15 mph. .MONDAY NIGHT...Clear. Lows 56 to 61. Southwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs 91 to 96. Variable less than 5 mph. .TUESDAY NIGHT...Clear. Lows 59 to 65. Southwest winds up to 10 mph. .WEDNESDAY...Sunny. Highs 95 to 100. Variable less than 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 61 to 67. Southwest winds up to 10 mph. $$