


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
623 FNUS56 KSTO 282130 FWFSTO Fire Weather Planning Forecast for Interior Northern California National Weather Service Sacramento CA 227 PM PDT Thu Aug 28 2025 .DISCUSSION... High temperatures will gradually warm through the weekend into next week. Afternoon humidity levels will generally be in the teens to lower 20s, with areas of poor recovery in the foothills and mountains. Dry weather is expected, except for a slight chance of showers and thunderstorms over the Sierra crest south of Highway 50. Winds will generally be light and terrain driven. CAZ213-292130- Eastern Portion of Shasta-Trinity NF- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........62-67 lower elevations...except 53-63 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........35-50 percent. * 24 HR Trend..........12 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Drainage winds up to 5 mph. * Ridges/Upr Slopes....Southwest winds up to 7 mph shifting to the north up to 8 mph after midnight. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........93-98 lower elevations...except 83-92 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........16-21 percent. * 24 HR Trend..........Little change. * 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 south 4 to 9 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........9200 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........63-69 lower elevations...except 55-65 higher elevations. * Max Humidity...........44-59 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds up to 7 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the north after midnight. * Mixing Height..........700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........94-99 lower elevations...except 83-93 higher elevations. * Min Humidity...........12-22 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph. * Ridges/Upr Slopes....North winds up to 7 mph shifting to the south up to 8 mph in the afternoon. * Mixing Height..........8700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ214-292130- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........48-54. * 24 HR Trend..........Little change. * Max Humidity...........43-55 percent. * 24 HR Trend..........20 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest 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. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........87-92 lower elevations...except 81-86 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........15-20 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..........11000 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........50-56. * Max Humidity...........44-59 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 4 to 9 mph with local gusts up to 20 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....West winds 4 to 9 mph with local gusts up to 20 mph in the evening becoming variable up to 5 mph. * Mixing Height..........700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........88-93 lower elevations...except 81-87 higher elevations. * Min Humidity...........16-25 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up to 7 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southwest up to 8 mph with local gusts up to 20 mph in the afternoon. * Mixing Height..........10700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ215-292130- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........63-68. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........41-56 percent. * 24 HR Trend..........7 percent down. * 20-Foot Winds..........South winds up to 8 mph shifting to the north up to 6 mph after midnight. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........96-101. * 24 HR Trend..........Little change. * Min Humidity...........17-22 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds up to 7 mph shifting to the south up to 8 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........9400 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........65-70. * Max Humidity...........40-55 percent. * 20-Foot Winds..........South winds 4 to 9 mph shifting to the north up to 6 mph after midnight. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........97-102. * Min Humidity...........13-23 percent. * 20-Foot Winds..........North winds up to 7 mph shifting to the south up to 6 mph in the afternoon. * Mixing Height..........8400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ216-292130- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........59-65. * 24 HR Trend..........Little change. * Max Humidity...........55-70 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........South winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........94-99. * 24 HR Trend..........Little change. * Min Humidity...........22-30 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........North winds up to 6 mph shifting to the south 4 to 10 mph with local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........5900 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........61-67. * Max Humidity...........46-61 percent. * 20-Foot Winds..........South winds 4 to 9 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........94-99. * Min Humidity...........15-30 percent. * 20-Foot Winds..........North winds up to 8 mph shifting to the south in the afternoon. * Mixing Height..........7800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ217-292130- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........56-62. * 24 HR Trend..........Little change. * Max Humidity...........67-82 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........South winds 5 to 11 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........94-99. * 24 HR Trend..........Little change. * Min Humidity...........21-27 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Southwest winds 4 to 9 mph. Local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........5000 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........60-66. * Max Humidity...........47-62 percent. * 20-Foot Winds..........Southwest winds 4 to 10 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........96-101. * Min Humidity...........13-26 percent. * 20-Foot Winds..........Southwest winds up to 7 mph. * Mixing Height..........7100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ218-292130- Carquinez Strait and Delta- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........57-62. * 24 HR Trend..........Little change. * Max Humidity...........79-88 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds..........West winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........87-93. * 24 HR Trend..........Little change. * Min Humidity...........28-36 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........West winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........2000 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........58-63. * Max Humidity...........61-76 percent. * 20-Foot Winds..........West winds 7 to 13 mph with local gusts up to 25 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........90-98. * Min Humidity...........29-44 percent. * 20-Foot Winds..........West winds 5 to 11 mph with local gusts up to 20 mph. * Mixing Height..........4100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ219-292130- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........58-64. * 24 HR Trend..........Little change. * Max Humidity...........60-75 percent. * 24 HR Trend..........8 percent down. * 20-Foot Winds..........Northwest winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........93-98. * 24 HR Trend..........Little change. * Min Humidity...........23-28 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........4000 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........62-68. * Max Humidity...........43-58 percent. * 20-Foot Winds..........Northwest winds 8 to 14 mph. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........94-99. * Min Humidity...........14-26 percent. * 20-Foot Winds..........Northwest winds 6 to 12 mph. * Mixing Height..........6800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ263-279-292130- Southeast Edge Shasta-Trinity NF and Western Portions of Tehama- Glenn Unit-Eastern Mendocino NF- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........67-72 lower elevations...except 60-67 higher elevations. * 24 HR Trend..........4 degrees warmer. * Max Humidity...........31-37 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 4 to 9 mph. * Ridges/Upr Slopes....West winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........93-98 lower elevations...except 78-88 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........19-24 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 7 mph shifting to the southeast 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....Southwest winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........9300 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........68-73 lower elevations...except 60-66 higher elevations. * Max Humidity...........29-44 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 5 to 11 mph. * Ridges/Upr Slopes....West winds 5 to 11 mph. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........94-99 lower elevations...except 77-87 higher elevations. * Min Humidity...........15-28 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 4 to 9 mph shifting to the east up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northwest winds 4 to 10 mph shifting to the southeast up to 8 mph in the afternoon. * Mixing Height..........8200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ266-292130- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........64-71. * 24 HR Trend..........Little change. * Max Humidity...........30-40 percent. * 24 HR Trend..........13 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds 4 to 9 mph. * Ridges/Upr Slopes....East winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........91-96 lower elevations...except 86-92 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........18-23 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds 4 to 10 mph shifting to the southwest up to 8 mph in the afternoon. * Ridges/Upr Slopes....North winds up to 8 mph shifting to the southwest in the afternoon. * CWR....................0 percent. * Mixing Height..........9000 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........66-72. * Max Humidity...........30-45 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds up to 8 mph. * Ridges/Upr Slopes....East winds up to 8 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........89-95. * Min Humidity...........15-30 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 5 to 11 mph shifting to the southwest up to 7 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 8 mph shifting to the southwest up to 7 mph in the afternoon. * Mixing Height..........8300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ220-267-292130- 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- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........62-67. * 24 HR Trend..........Little change. * Max Humidity...........41-54 percent. * 24 HR Trend..........10 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph shifting to the northeast after midnight. * Ridges/Upr Slopes....North winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........89-94. * 24 HR Trend..........Little change. * Min Humidity...........19-24 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. * Mixing Height..........6800 ft AGL. * Chance of thunder......0 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........65-70. * Max Humidity...........41-56 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph with local gusts up to 20 mph shifting to the northeast after midnight. * Ridges/Upr Slopes....West winds up to 8 mph shifting to the northeast up to 7 mph after midnight. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........90-96. * Min Humidity...........14-25 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds up to 7 mph shifting to the 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. * Mixing Height..........8500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ268-292130- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........50-60. * 24 HR Trend..........Little change. * Max Humidity...........33-48 percent...except 50-65 percent in the high mountain valleys. * 24 HR Trend..........18 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds up to 7 mph shifting to the northeast up to 8 mph after midnight. * Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the north after midnight. * CWR....................0 percent. * Mixing Height..........300 ft AGL. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........80-87 lower elevations...except 73-80 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........18-25 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the southwest up to 8 mph in the afternoon. * Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the southwest in the afternoon. * CWR....................0 percent. * Mixing Height..........9200 ft AGL. * Chance of thunder......1 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........51-61. * Max Humidity...........42-57 percent...except 56-71 percent in the high mountain valleys. * 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 east up to 7 mph after midnight. * Mixing Height..........300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........81-87 lower elevations...except 74-82 higher elevations. * Min Humidity...........16-31 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds 4 to 10 mph shifting to the southwest up to 8 mph in the afternoon. * Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the southwest in the afternoon. * Mixing Height..........9000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ221-269-292130- Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and Eldorado NF/S West of the Sierra Crest- 227 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........58-66 lower elevations...except 47-57 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........43-58 percent. * 24 HR Trend..........14 percent down. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds up to 8 mph. * Ridges/Upr Slopes....Northeast winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........300 ft AGL. * Chance of thunder......2 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........85-90 lower elevations...except 70-80 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........21-33 percent. * 24 HR Trend..........6 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 7 mph shifting to the west 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 8 mph shifting to the west 4 to 9 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........8800 ft AGL. * Chance of thunder......3 percent. .FRIDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........60-68 lower elevations...except 49-59 higher elevations. * Max Humidity...........49-64 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph shifting to the northeast after midnight. * Ridges/Upr Slopes....West winds up to 8 mph shifting to the northeast 4 to 10 mph after midnight. * Mixing Height..........300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .SATURDAY... * Sky/Weather............Sunny. * Max Temperature........85-91 lower elevations...except 71-81 higher elevations. * Min Humidity...........21-36 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East winds up to 8 mph shifting to the west in the afternoon. * Ridges/Upr Slopes....East winds 5 to 11 mph shifting to the southwest up to 8 mph in the afternoon. * Mixing Height..........9100 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ .Extended... ...Shasta County Mountains and Coastal Range .SATURDAY NIGHT...Mostly clear. Lows 55 to 65. Northwest winds 5 to 15 mph. .SUNDAY...Mostly sunny. Highs 81 to 91. South winds up to 10 mph. .SUNDAY NIGHT...Clear. Lows 54 to 64. West winds up to 10 mph. .LABOR DAY...Sunny. Highs 82 to 92. Southeast winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 56 to 66. Variable less than 5 mph. .TUESDAY...Mostly sunny. Highs 86 to 96. East winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 59 to 69. Variable less than 5 mph. ...Northern Sierra and Lassen Park .SATURDAY NIGHT...Clear. Lows 55 to 65. Northeast winds up to 10 mph. .SUNDAY...Mostly sunny. Highs 83 to 92. South winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows 56 to 66. East winds up to 10 mph. .LABOR DAY...Sunny. Highs 84 to 93. South winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 57 to 67. Variable less than 5 mph. .TUESDAY...Mostly sunny. Highs 86 to 94. Variable less than 5 mph. .TUESDAY NIGHT...Mostly clear. Lows 57 to 67. Variable less than 5 mph. ...Sierra Nevada Foothills .SATURDAY NIGHT...Clear. Lows 65 to 71. Northeast winds up to 10 mph. .SUNDAY...Mostly sunny. Highs 90 to 96. Southwest winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 65 to 71. East winds up to 10 mph. .LABOR DAY...Sunny. Highs 91 to 97. Variable less than 5 mph. .MONDAY NIGHT...Clear. Lows 66 to 72. Variable less than 5 mph. .TUESDAY...Sunny. Highs 93 to 98. Variable less than 5 mph. .TUESDAY NIGHT...Mostly clear. Lows 67 to 72. Variable less than 5 mph. ...Central Valley and Delta .SATURDAY NIGHT...Clear. Lows 60 to 66. Southwest winds 5 to 15 mph. .SUNDAY...Mostly sunny. Highs 95 to 100. West winds 5 to 15 mph. .SUNDAY NIGHT...Clear. Lows 60 to 66. Southwest winds 5 to 15 mph. .LABOR DAY...Sunny. Highs 96 to 101. West winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 61 to 67. Southwest winds up to 10 mph. .TUESDAY...Sunny. Highs 97 to 102. West winds up to 10 mph. .TUESDAY NIGHT...Clear. Lows 62 to 68. Southwest winds up to 10 mph. $$