


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
624 FNUS56 KSTO 132027 FWFSTO Fire Weather Planning Forecast for Interior Northern California National Weather Service Sacramento CA 127 PM PDT Wed Aug 13 2025 .DISCUSSION... Cooler high temperatures and good recoveries continue across the region today. Generally, light terrain driven winds in the mountains and enhanced onshore flow in the Delta and adjacent areas. Around a 10% chance of an isolated shower/t-storm this afternoon and evening in the Sierra, south of HWY-50 and along/east of the crest. CAZ213-142030- Eastern Portion of Shasta-Trinity NF- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........63-68 lower elevations...except 54-64 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........58-73 percent. * 24 HR Trend..........4 percent up. * 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 in the evening becoming variable up to 5 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........95-100 lower elevations...except 85-94 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........20-25 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....Variable winds up to 7 mph becoming southwest 4 to 9 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........8200 ft AGL. * Chance of thunder......2 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........64-70 lower elevations...except 55-65 higher elevations. * Max Humidity...........52-67 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds 4 to 10 mph. * Ridges/Upr Slopes....North winds 4 to 10 mph. * Mixing Height..........800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........94-99 lower elevations...except 82-92 higher elevations. * Min Humidity...........21-36 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...North winds up to 8 mph in the morning becoming upslope up to 5 mph. * Ridges/Upr Slopes....Northwest winds 4 to 10 mph. * Mixing Height..........8800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ214-142030- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........51-58. * 24 HR Trend..........4 degrees cooler. * Max Humidity...........63-75 percent. * 24 HR Trend..........6 percent up. * 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....Southwest winds 4 to 9 mph with local gusts up to 20 mph in the evening becoming variable up to 5 mph. * CWR....................0 percent. * Mixing Height..........800 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........87-92 lower elevations...except 82-87 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........18-23 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..........8500 ft AGL. * Chance of thunder......1 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........51-57. * Max Humidity...........53-68 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 5 to 10 mph with local gusts up to 20 mph shifting to the northeast up to 7 mph after midnight. * Ridges/Upr Slopes....West winds 4 to 9 mph with local gusts up to 20 mph shifting to the northeast up to 8 mph after midnight. * Mixing Height..........900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........87-92 lower elevations...except 80-86 higher elevations. * Min Humidity...........21-30 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming northwest up to 8 mph in the afternoon. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming northwest up to 8 mph with local gusts up to 20 mph in the afternoon. * Mixing Height..........8500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ215-142030- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........62-67. * 24 HR Trend..........Little change. * Max Humidity...........67-82 percent. * 24 HR Trend..........6 percent up. * 20-Foot Winds..........Southeast winds up to 8 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........95-100. * 24 HR Trend..........Little change. * Min Humidity...........21-30 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........South winds up to 7 mph. * CWR....................0 percent. * Mixing Height..........5900 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........68-73. * Max Humidity...........47-62 percent. * 20-Foot Winds..........Southwest winds 4 to 9 mph shifting to the northwest after midnight. * Mixing Height..........700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........96-101. * Min Humidity...........17-31 percent. * 20-Foot Winds..........Northwest winds 4 to 10 mph. Local gusts up to 20 mph in the afternoon. * Mixing Height..........9200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ216-142030- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........58-63. * 24 HR Trend..........Little change. * Max Humidity...........84-99 percent. * 24 HR Trend..........6 percent up. * 20-Foot Winds..........Southeast winds 5 to 11 mph. Local gusts up to 20 mph in the evening. * CWR....................0 percent. * Mixing Height..........500 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........92-97. * 24 HR Trend..........Little change. * Min Humidity...........30-41 percent. * 24 HR Trend..........5 percent down. * 20-Foot Winds..........Southeast winds up to 8 mph. * CWR....................0 percent. * Mixing Height..........3200 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........64-69. * Max Humidity...........54-69 percent. * 20-Foot Winds..........Southeast winds up to 8 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........95-100. * Min Humidity...........23-38 percent. * 20-Foot Winds..........Northwest winds 4 to 9 mph. * Mixing Height..........8400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ217-142030- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........56-61. * 24 HR Trend..........Little change. * Max Humidity...........85-98 percent. * 24 HR Trend..........5 percent up. * 20-Foot Winds..........South winds 6 to 12 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * 24 HR Trend..........Little change. * Min Humidity...........29-37 percent. * 24 HR Trend..........5 percent down. * 20-Foot Winds..........Southwest winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........3200 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........60-66. * Max Humidity...........57-72 percent. * 20-Foot Winds..........South winds 5 to 11 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........94-99. * Min Humidity...........24-39 percent. * 20-Foot Winds..........Southwest winds up to 8 mph. * Mixing Height..........5800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ218-142030- Carquinez Strait and Delta- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........57-62. * 24 HR Trend..........Little change. * Max Humidity...........88-94 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........West winds 11 to 17 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........900 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Partly cloudy in the morning then clearing. * Max Temperature........84-91. * 24 HR Trend..........Little change. * Min Humidity...........37-47 percent. * 24 HR Trend..........7 percent down. * 20-Foot Winds..........West winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........2500 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........59-64. * Max Humidity...........69-84 percent. * 20-Foot Winds..........Southwest winds 8 to 14 mph. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........88-96. * Min Humidity...........41-56 percent. * 20-Foot Winds..........West winds 6 to 12 mph. * Mixing Height..........3700 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ219-142030- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........57-62. * 24 HR Trend..........Little change. * Max Humidity...........77-92 percent. * 24 HR Trend..........11 percent up. * 20-Foot Winds..........Northwest winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........90-95. * 24 HR Trend..........Little change. * Min Humidity...........29-37 percent. * 24 HR Trend..........Little change. * 20-Foot Winds..........Northwest winds 6 to 12 mph. Local gusts up to 20 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........3400 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........60-65. * Max Humidity...........58-73 percent. * 20-Foot Winds..........Northwest winds 7 to 13 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........92-97. * Min Humidity...........23-38 percent. * 20-Foot Winds..........Northwest winds 6 to 12 mph. Local gusts up to 20 mph in the afternoon. * Mixing Height..........5200 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ263-279-142030- Southeast Edge Shasta-Trinity NF and Western Portions of Tehama- Glenn Unit-Eastern Mendocino NF- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........66-71 lower elevations...except 60-65 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........47-59 percent. * 24 HR Trend..........7 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds up to 8 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Northwest winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........94-99 lower elevations...except 78-88 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........21-30 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast 4 to 9 mph with local gusts up to 20 mph in the afternoon. * Ridges/Upr Slopes....North winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........6700 ft AGL. * Chance of thunder......1 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........70-75 lower elevations...except 60-68 higher elevations. * Max Humidity...........40-55 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 8 to 14 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....Northwest winds 8 to 14 mph with local gusts up to 25 mph. * Mixing Height..........800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........92-97 lower elevations...except 76-86 higher elevations. * Min Humidity...........22-31 percent lower elevations...except 27-42 percent high elevations. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northwest winds 6 to 12 mph. * Ridges/Upr Slopes....Northwest winds 6 to 12 mph. * Mixing Height..........8100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ266-142030- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........62-67. * 24 HR Trend..........Little change. * Max Humidity...........54-69 percent. * 24 HR Trend..........4 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds up to 8 mph with local gusts up to 20 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....Southeast winds up to 8 mph in the evening becoming variable up to 5 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........90-95 lower elevations...except 85-92 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........22-32 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 west up to 8 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........5100 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........65-71. * Max Humidity...........45-60 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds up to 8 mph shifting to the northeast up to 7 mph after midnight. * Ridges/Upr Slopes....Southwest winds up to 7 mph shifting to the northeast after midnight. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........91-96 lower elevations...except 86-92 higher elevations. * Min Humidity...........22-37 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 10 mph shifting to the west 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the west in the afternoon. * Mixing Height..........8000 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ220-267-142030- 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- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........58-64. * 24 HR Trend..........4 degrees cooler. * Max Humidity...........62-77 percent lower elevations...except 51-64 percent high elevations. * 24 HR Trend..........Little change. * 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....South 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. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........87-92. * 24 HR Trend..........Little change. * Min Humidity...........25-30 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds up to 8 mph. * Ridges/Upr Slopes....Variable winds up to 7 mph becoming southwest up to 8 mph in the afternoon. * CWR....................0 percent. * Mixing Height..........4200 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........62-67. * Max Humidity...........45-60 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....West winds up to 8 mph in the evening becoming variable up to 5 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........88-94. * Min Humidity...........20-35 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....Variable winds up to 7 mph becoming west up to 8 mph in the afternoon. * Mixing Height..........5900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ268-142030- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Clear. * Min Temperature........51-61. * 24 HR Trend..........5 degrees cooler. * Max Humidity...........52-67 percent...except 63-74 percent in the high mountain valleys. * 24 HR Trend..........5 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 4 to 10 mph shifting to the northeast up to 7 mph after midnight. * Ridges/Upr Slopes....Southwest winds 4 to 10 mph shifting to the north up to 8 mph after midnight. * CWR....................0 percent. * Mixing Height..........400 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........80-88 lower elevations...except 74-82 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........21-31 percent. * 24 HR Trend..........4 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds up to 8 mph shifting to the west 5 to 11 mph in the afternoon. * Ridges/Upr Slopes....Southwest winds 4 to 9 mph. * CWR....................0 percent. * Mixing Height..........6100 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........51-61. * Max Humidity...........49-64 percent...except 61-76 percent in the high mountain valleys. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 5 to 11 mph shifting to the northeast up to 8 mph after midnight. * Ridges/Upr Slopes....West winds 5 to 11 mph shifting to the northeast 4 to 9 mph after midnight. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........80-86 lower elevations...except 73-81 higher elevations. * Min Humidity...........21-36 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the west up to 8 mph in the afternoon. * Ridges/Upr Slopes....Northeast winds 4 to 9 mph shifting to the west 4 to 10 mph in the afternoon. * Mixing Height..........7900 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ221-269-142030- Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and Eldorado NF/S West of the Sierra Crest- 127 PM PDT Wed Aug 13 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........57-65 lower elevations...except 48-58 higher elevations. * 24 HR Trend..........4 degrees cooler. * Max Humidity...........38-52 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. * Mixing Height..........300 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Sunny. * Max Temperature........83-89 lower elevations...except 72-82 higher elevations. * 24 HR Trend..........Little change. * Min Humidity...........15-24 percent. * 24 HR Trend..........Little change. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 4 to 10 mph. * Ridges/Upr Slopes....Southwest winds 5 to 11 mph. * CWR....................0 percent. * Mixing Height..........4900 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........59-67 lower elevations...except 48-58 higher elevations. * Max Humidity...........52-67 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds up to 8 mph shifting to the northeast up to 7 mph after midnight. * Ridges/Upr Slopes....West winds 5 to 11 mph shifting to the east up to 8 mph after midnight. * Mixing Height..........300 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........83-89 lower elevations...except 70-80 higher elevations. * Min Humidity...........24-39 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...East 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 5 to 11 mph in the afternoon. * Mixing Height..........6600 ft AGL. * CWR....................0 percent. * Chance of thunder......2 percent. $$ .Extended... ...Shasta County Mountains and Coastal Range .FRIDAY NIGHT...Mostly clear. Lows 55 to 64. Northwest winds 5 to 15 mph. .SATURDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 74 to 84. West winds 5 to 15 mph. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows 54 to 63. West winds 5 to 15 mph. .SUNDAY...Partly cloudy with a slight chance of showers. Highs 71 to 80. Southwest winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 51 to 59. West winds up to 10 mph. .MONDAY...Sunny. Highs 72 to 82. South winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 50 to 60. Variable less than 5 mph. ...Northern Sierra and Lassen Park .FRIDAY NIGHT...Clear. Lows 53 to 63. Southeast winds up to 10 mph. .SATURDAY...Sunny. Highs 76 to 85. Southwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 60. Southeast winds up to 10 mph. .SUNDAY...Sunny. Highs 73 to 81. South winds up to 10 mph. .SUNDAY NIGHT...Clear. Lows 48 to 58. Variable less than 5 mph. .MONDAY...Sunny. Highs 74 to 83. South winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 49 to 59. Variable less than 5 mph. ...Sierra Nevada Foothills .FRIDAY NIGHT...Clear. Lows 62 to 67. East winds up to 10 mph. .SATURDAY...Sunny. Highs 83 to 89. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 59 to 64. Southeast winds up to 10 mph. .SUNDAY...Sunny. Highs 80 to 86. Southwest winds up to 10 mph. .SUNDAY NIGHT...Clear. Lows 58 to 63. Variable less than 5 mph. .MONDAY...Sunny. Highs 81 to 86. Southwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 58 to 63. Variable less than 5 mph. ...Central Valley and Delta .FRIDAY NIGHT...Clear. Lows 62 to 67. Southwest winds 10 to 20 mph. .SATURDAY...Sunny. Highs 89 to 94. Southwest winds 5 to 15 mph. .SATURDAY NIGHT...Clear. Lows 61 to 66. Southwest winds 10 to 20 mph. .SUNDAY...Sunny. Highs 86 to 91. Southwest winds up to 10 mph. .SUNDAY NIGHT...Clear. Lows 58 to 63. Southwest winds 5 to 15 mph. .MONDAY...Sunny. Highs 86 to 91. Southwest winds up to 10 mph. .MONDAY NIGHT...Clear. Lows 57 to 62. Southwest winds up to 10 mph. $$