


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
221 FNUS56 KSTO 082111 FWFSTO Fire Weather Planning Forecast for Interior Northern California National Weather Service Sacramento CA 211 PM PDT Wed Oct 8 2025 .DISCUSSION... Warmer and drier weather weather continues today. A pattern change late this week will bring cooler weather, breezier onshore flow, and chances for light precipitation, mainly over the mountains. Better widespread precipitation chances occur early next week. CAZ213-092115- Eastern Portion of Shasta-Trinity NF- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly cloudy with a chance of showers. * Min Temperature........51-56 lower elevations...except 42-49 higher elevations. * 24 HR Trend..........Little change. * Max Humidity...........94-100 percent. * 24 HR Trend..........43 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 4 to 9 mph. * Ridges/Upr Slopes....Southwest winds 4 to 9 mph. * CWR....................20 percent. * Mixing Height..........1100 ft AGL. * Chance of thunder......14 percent. .THURSDAY... * Sky/Weather............Mostly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. * Max Temperature........62-67 lower elevations...except 53-63 higher elevations. * 24 HR Trend..........16 degrees cooler. * Min Humidity...........63-78 percent. * 24 HR Trend..........40 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 4 to 10 mph. * Ridges/Upr Slopes....South winds 4 to 10 mph. Local gusts up to 20 mph in the afternoon. * CWR....................20 percent. * Mixing Height..........3100 ft AGL. * Chance of thunder......5 percent. .THURSDAY NIGHT... * Sky/Weather............Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. * Min Temperature........49-54 lower elevations...except 41-49 higher elevations. * Max Humidity...........79-94 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Drainage winds up to 5 mph. * Ridges/Upr Slopes....South winds up to 8 mph. * Mixing Height..........900 ft AGL. * CWR....................20 percent. * Chance of thunder......9 percent. .FRIDAY... * Sky/Weather............Mostly cloudy with a chance of showers. * Max Temperature........62-67 lower elevations...except 50-60 higher elevations. * Min Humidity...........65-80 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south 5 to 10 mph in the afternoon. * Ridges/Upr Slopes....South winds 5 to 11 mph. * Mixing Height..........3700 ft AGL. * CWR....................30 percent. * Chance of thunder......8 percent. $$ CAZ214-092115- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly clear. A slight chance of showers after midnight. * Min Temperature........39-44. * 24 HR Trend..........Little change. * Max Humidity...........93-100 percent. * 24 HR Trend..........28 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...West winds 4 to 9 mph with local gusts up to 20 mph shifting to the north up to 8 mph after midnight. * Ridges/Upr Slopes....South winds 6 to 12 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......5 percent. .THURSDAY... * Sky/Weather............Mostly sunny. A slight chance of showers in the morning. * Max Temperature........61-66. * 24 HR Trend..........10 degrees cooler. * Min Humidity...........39-54 percent. * 24 HR Trend..........19 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds 5 to 11 mph. * Ridges/Upr Slopes....Southwest winds 5 to 11 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........5200 ft AGL. * Chance of thunder......2 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy. A slight chance of showers after midnight. * Min Temperature........39-44. * Max Humidity...........80-95 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....South winds 4 to 10 mph with local gusts up to 20 mph. * Mixing Height..........700 ft AGL. * CWR....................0 percent. * Chance of thunder......3 percent. .FRIDAY... * Sky/Weather............Partly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. * Max Temperature........59-64 lower elevations...except 54-60 higher elevations. * Min Humidity...........45-60 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 6 to 12 mph with local gusts up to 25 mph in the afternoon. * Ridges/Upr Slopes....Southwest winds 6 to 12 mph. Local gusts up to 25 mph in the afternoon. * Mixing Height..........6500 ft AGL. * CWR....................10 percent. * Chance of thunder......4 percent. $$ CAZ215-092115- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy with a slight chance of showers. * Min Temperature........54-59. * 24 HR Trend..........Little change. * Max Humidity...........94-100 percent. * 24 HR Trend..........40 percent up. * 20-Foot Winds..........South winds 7 to 13 mph with local gusts up to 30 mph. * CWR....................10 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......8 percent. .THURSDAY... * Sky/Weather............Mostly cloudy with a slight chance of showers in the morning, then partly cloudy in the afternoon. * Max Temperature........68-73. * 24 HR Trend..........13 degrees cooler. * Min Humidity...........56-61 percent. * 24 HR Trend..........28 percent up. * 20-Foot Winds..........South winds 6 to 12 mph with local gusts up to 25 mph. * CWR....................10 percent. * Mixing Height..........4800 ft AGL. * Chance of thunder......2 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. * Min Temperature........52-57. * Max Humidity...........81-96 percent. * 20-Foot Winds..........South winds 4 to 10 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........600 ft AGL. * CWR....................10 percent. * Chance of thunder......4 percent. .FRIDAY... * Sky/Weather............Partly cloudy with a slight chance of showers in the morning, then mostly cloudy with a chance of showers in the afternoon. * Max Temperature........68-73. * Min Humidity...........46-61 percent. * 20-Foot Winds..........South winds 5 to 11 mph with local gusts up to 25 mph. * Mixing Height..........5500 ft AGL. * CWR....................10 percent. * Chance of thunder......5 percent. $$ CAZ216-092115- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........52-57. * 24 HR Trend..........Little change. * Max Humidity...........93-100 percent. * 24 HR Trend..........31 percent up. * 20-Foot Winds..........South winds 8 to 14 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........600 ft AGL. * Chance of thunder......1 percent. .THURSDAY... * Sky/Weather............Partly cloudy in the morning then becoming mostly sunny. * Max Temperature........70-75. * 24 HR Trend..........10 degrees cooler. * Min Humidity...........50-65 percent. * 24 HR Trend..........18 percent up. * 20-Foot Winds..........South winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........5300 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy in the evening then becoming partly cloudy. * Min Temperature........49-55. * Max Humidity...........76-91 percent. * 20-Foot Winds..........South winds 4 to 10 mph. Local gusts up to 20 mph in the evening. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. A slight chance of showers in the afternoon. * Max Temperature........69-74. * Min Humidity...........45-60 percent. * 20-Foot Winds..........South winds 7 to 13 mph with local gusts up to 25 mph. * Mixing Height..........6000 ft AGL. * CWR....................0 percent. * Chance of thunder......2 percent. $$ CAZ217-092115- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........54-59. * 24 HR Trend..........Little change. * Max Humidity...........90-99 percent. * 24 HR Trend..........17 percent up. * 20-Foot Winds..........South winds 6 to 12 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Partly cloudy in the morning then clearing. * Max Temperature........72-77. * 24 HR Trend..........5 degrees cooler. * Min Humidity...........46-56 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds..........South winds 4 to 10 mph. * CWR....................0 percent. * Mixing Height..........5400 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........50-55. * Max Humidity...........73-88 percent. * 20-Foot Winds..........Southwest winds up to 8 mph. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........70-75. * Min Humidity...........42-57 percent. * 20-Foot Winds..........Southwest winds 5 to 11 mph. Local gusts up to 20 mph in the afternoon. * Mixing Height..........4800 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ CAZ218-092115- Carquinez Strait and Delta- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........54-59. * 24 HR Trend..........Little change. * Max Humidity...........90-97 percent. * 24 HR Trend..........5 percent up. * 20-Foot Winds..........Southwest winds 8 to 14 mph. Local gusts up to 30 mph decreasing to 20 mph after midnight. * CWR....................0 percent. * Mixing Height..........1000 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Partly cloudy in the morning then becoming mostly sunny. * Max Temperature........72-77. * 24 HR Trend..........Little change. * Min Humidity...........48-61 percent. * 24 HR Trend..........8 percent down. * 20-Foot Winds..........Southwest winds 5 to 11 mph with local gusts up to 20 mph. * CWR....................0 percent. * Mixing Height..........4900 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature........51-56. * Max Humidity...........78-93 percent. * 20-Foot Winds..........West winds 5 to 11 mph with local gusts up to 20 mph. * Mixing Height..........800 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature........70-75. * Min Humidity...........57-72 percent. * 20-Foot Winds..........West winds 7 to 13 mph with local gusts up to 25 mph. * Mixing Height..........4300 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ CAZ219-092115- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........52-57. * 24 HR Trend..........Little change. * Max Humidity...........88-99 percent. * 24 HR Trend..........17 percent up. * 20-Foot Winds..........Northwest winds 4 to 10 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........74-79. * 24 HR Trend..........4 degrees cooler. * Min Humidity...........42-47 percent. * 24 HR Trend..........4 percent down. * 20-Foot Winds..........Southeast winds up to 8 mph shifting to the southwest in the afternoon. * CWR....................0 percent. * Mixing Height..........5100 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........52-57. * Max Humidity...........74-89 percent. * 20-Foot Winds..........Northwest winds 4 to 10 mph. * Mixing Height..........500 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........71-76. * Min Humidity...........38-53 percent. * 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts up to 20 mph in the afternoon. * Mixing Height..........4100 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. $$ CAZ263-279-092115- Southeast Edge Shasta-Trinity NF and Western Portions of Tehama- Glenn Unit-Eastern Mendocino NF- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers. * Min Temperature........52-57 lower elevations...except 42-49 higher elevations. * 24 HR Trend..........9 degrees cooler. * Max Humidity...........85-99 percent. * 24 HR Trend..........50 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 4 to 10 mph. * Ridges/Upr Slopes....South winds 4 to 10 mph. * CWR....................0 percent. * Mixing Height..........700 ft AGL. * Chance of thunder......5 percent. .THURSDAY... * Sky/Weather............Mostly cloudy with a slight chance of showers. * Max Temperature........63-68 lower elevations...except 50-59 higher elevations. * 24 HR Trend..........15 degrees cooler. * Min Humidity...........62-77 percent. * 24 HR Trend..........39 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds 4 to 10 mph. Local gusts up to 20 mph in the afternoon. * Ridges/Upr Slopes....Southeast winds 5 to 11 mph. * CWR....................10 percent. * Mixing Height..........3000 ft AGL. * Chance of thunder......3 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy with a chance of showers. * Min Temperature........49-54 lower elevations...except 40-46 higher elevations. * Max Humidity...........71-86 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds up to 8 mph. * Ridges/Upr Slopes....Southwest winds up to 8 mph. * Mixing Height..........700 ft AGL. * CWR....................10 percent. * Chance of thunder......5 percent. .FRIDAY... * Sky/Weather............Partly cloudy in the morning then becoming mostly cloudy. At lower elevations, a chance of showers. At higher elevations, a chance of showers and snow showers early in the morning, then a chance of showers in the late morning and afternoon. * Max Temperature........63-68 lower elevations...except 47-57 higher elevations. * Min Humidity...........55-70 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 6 to 12 mph. * Ridges/Upr Slopes....South winds 6 to 12 mph. * Mixing Height..........4000 ft AGL. * CWR....................20 percent. * Chance of thunder......7 percent. $$ CAZ266-092115- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy with a slight chance of showers. * Min Temperature........50-56. * 24 HR Trend..........7 degrees cooler. * Max Humidity...........84-99 percent. * 24 HR Trend..........43 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds 7 to 13 mph with local gusts up to 30 mph. * Ridges/Upr Slopes....Southeast winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........900 ft AGL. * Chance of thunder......4 percent. .THURSDAY... * Sky/Weather............Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. * Max Temperature........63-69. * 24 HR Trend..........12 degrees cooler. * Min Humidity...........51-60 percent. * 24 HR Trend..........23 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 7 to 13 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....South winds 7 to 13 mph. * CWR....................0 percent. * Mixing Height..........4700 ft AGL. * Chance of thunder......1 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. * Min Temperature........49-55. * Max Humidity...........75-90 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southeast winds 5 to 11 mph. * Ridges/Upr Slopes....Southeast winds 5 to 11 mph. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......2 percent. .FRIDAY... * Sky/Weather............Partly cloudy with a chance of showers. * Max Temperature........61-67. * Min Humidity...........46-61 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 8 to 14 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....South winds 8 to 14 mph with local gusts up to 25 mph. * Mixing Height..........5100 ft AGL. * CWR....................10 percent. * Chance of thunder......3 percent. $$ CAZ220-267-092115- 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- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........49-54. * 24 HR Trend..........7 degrees cooler. * Max Humidity...........88-100 percent. * 24 HR Trend..........42 percent up. * 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..........600 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........68-73. * 24 HR Trend..........7 degrees cooler. * Min Humidity...........43-53 percent. * 24 HR Trend..........8 percent up. * 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. * CWR....................0 percent. * Mixing Height..........4500 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........48-53. * Max Humidity...........71-86 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Southwest winds up to 7 mph in the evening becoming drainage up to 5 mph. * Ridges/Upr Slopes....South winds up to 7 mph in the evening becoming variable up to 5 mph. * Mixing Height..........400 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........65-71. * Min Humidity...........39-54 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest 4 to 9 mph in the afternoon. * Ridges/Upr Slopes....East winds up to 7 mph shifting to the southwest up to 8 mph in the afternoon. * Mixing Height..........4100 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ CAZ268-092115- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Partly cloudy. * Min Temperature........37-46. * 24 HR Trend..........Little change. * Max Humidity...........87-100 percent. * 24 HR Trend..........36 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 8 to 14 mph. * Ridges/Upr Slopes....South winds 8 to 14 mph. * CWR....................0 percent. * Mixing Height..........800 ft AGL. * Chance of thunder......2 percent. .THURSDAY... * Sky/Weather............Partly cloudy in the morning then clearing. * Max Temperature........57-65 lower elevations...except 51-58 higher elevations. * 24 HR Trend..........10 degrees cooler. * Min Humidity...........44-59 percent. * 24 HR Trend..........19 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 9 to 15 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....South winds 9 to 15 mph with local gusts up to 30 mph. * CWR....................0 percent. * Mixing Height..........4200 ft AGL. * Chance of thunder......1 percent. .THURSDAY NIGHT... * Sky/Weather............Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. * Min Temperature........37-45. * Max Humidity...........75-90 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 7 to 13 mph with local gusts up to 25 mph. * Ridges/Upr Slopes....South winds 7 to 13 mph with local gusts up to 25 mph. * Mixing Height..........700 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. .FRIDAY... * Sky/Weather............Partly cloudy in the morning then clearing. At lower elevations, a chance of showers. At higher elevations, a slight chance of showers through the day. A slight chance of snow showers late in the morning. * Max Temperature........53-59 lower elevations...except 46-54 higher elevations. * Min Humidity...........48-63 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 10 to 16 mph. Local gusts up to 30 mph in the afternoon. * Ridges/Upr Slopes....South winds 10 to 16 mph with local gusts up to 30 mph. * Mixing Height..........4800 ft AGL. * CWR....................10 percent. * Chance of thunder......2 percent. $$ CAZ221-269-092115- Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and Eldorado NF/S West of the Sierra Crest- 211 PM PDT Wed Oct 8 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Min Temperature........44-49 lower elevations...except 36-44 higher elevations. * 24 HR Trend..........5 degrees cooler. * Max Humidity...........75-90 percent. * 24 HR Trend..........29 percent up. * 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..........700 ft AGL. * Chance of thunder......0 percent. .THURSDAY... * Sky/Weather............Mostly sunny. * Max Temperature........64-70 lower elevations...except 54-63 higher elevations. * 24 HR Trend..........7 degrees cooler. * Min Humidity...........31-46 percent. * 24 HR Trend..........11 percent up. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 7 to 13 mph. * Ridges/Upr Slopes....South winds 7 to 13 mph with local gusts up to 25 mph. * CWR....................0 percent. * Mixing Height..........3800 ft AGL. * Chance of thunder......0 percent. .THURSDAY NIGHT... * Sky/Weather............Clear. * Min Temperature........44-50 lower elevations...except 37-45 higher elevations. * Max Humidity...........66-81 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 6 to 12 mph. * Ridges/Upr Slopes....South winds 6 to 12 mph with local gusts up to 25 mph. * Mixing Height..........600 ft AGL. * CWR....................0 percent. * Chance of thunder......0 percent. .FRIDAY... * Sky/Weather............Mostly sunny. * Max Temperature........61-67 lower elevations...except 49-59 higher elevations. * Min Humidity...........48-63 percent. * 20-Foot Winds.......... * Valleys/Lwr Slopes...South winds 9 to 15 mph. * Ridges/Upr Slopes....Southwest winds 9 to 15 mph with local gusts up to 30 mph. * Mixing Height..........4200 ft AGL. * CWR....................0 percent. * Chance of thunder......1 percent. $$ .Extended... ...Shasta County Mountains and Coastal Range .FRIDAY NIGHT...Showers likely. Lows 36 to 44. West winds up to 10 mph. .SATURDAY...Partly cloudy with a chance of showers. Highs 49 to 59. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 32 to 42. Northwest winds 5 to 15 mph. .SUNDAY...Mostly sunny. Highs 53 to 63. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows 34 to 44. West winds up to 10 mph. .COLUMBUS DAY...Showers likely. Highs 43 to 52. Southwest winds 5 to 10 mph. .MONDAY NIGHT...Showers and snow showers likely. Lows 32 to 41. Southwest winds 5 to 10 mph. ...Northern Sierra and Lassen Park .FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows 35 to 45. South winds 5 to 15 mph. .SATURDAY...Partly cloudy with a chance of showers. Highs 50 to 60. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 32 to 42. Northeast winds up to 10 mph. .SUNDAY...Mostly sunny. Highs 55 to 65. Variable less than 5 mph. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers. Lows 34 to 44. Variable less than 5 mph. .COLUMBUS DAY...Mostly cloudy with a chance of showers. Highs 46 to 56. South winds 5 to 10 mph. .MONDAY NIGHT...Showers likely. Lows 31 to 41. South winds 5 to 10 mph. ...Sierra Nevada Foothills .FRIDAY NIGHT...Partly cloudy with a chance of showers. Lows 45 to 50. Southeast winds up to 10 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Highs 59 to 66. West winds up to 10 mph. .SATURDAY NIGHT...Clear. Lows 42 to 48. Northeast winds up to 10 mph. .SUNDAY...Sunny. Highs 63 to 69. Variable less than 5 mph. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers. Lows 44 to 49. Variable less than 5 mph. .COLUMBUS DAY...Mostly cloudy with a chance of showers. Highs 54 to 61. South winds 5 to 10 mph. .MONDAY NIGHT...Showers likely. Lows 42 to 48. Southeast winds 5 to 10 mph. ...Central Valley and Delta .FRIDAY NIGHT...Partly cloudy with a chance of showers. Lows 48 to 54. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Highs 68 to 73. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Clear. Lows 46 to 51. Northwest winds 5 to 15 mph. .SUNDAY...Sunny. Highs 71 to 76. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 49 to 54. Southwest winds up to 10 mph. .COLUMBUS DAY...Mostly cloudy with a chance of showers. Highs 61 to 66. South winds 5 to 15 mph. .MONDAY NIGHT...Mostly cloudy with a chance of showers. Lows 47 to 52. South winds 5 to 10 mph. $$