983  
FNUS56 KSTO 232300  
FWFSTO  
 
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
300 PM PST FRI FEB 23 2018  
 
   
DISCUSSION
 
 
SCATTERED MOUNTAIN SHOWERS WILL BE POSSIBLE OVER THE WEEKEND. A  
STRONGER STORM BRINGS MORE WIDESPREAD PRECIPITATION SUNDAY NIGHT  
INTO TUESDAY MORNING. THREAT OF SHOWERS, MAINLY OVER THE MOUNTAINS,  
CONTINUES WEDNESDAY. BELOW NORMAL TEMPERATURES EXPECTED THROUGH  
WEDNESDAY WITH LOW SNOW LEVELS.  
 
CAZ213-242300-  
EASTERN PORTION OF SHASTA-TRINITY NF-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............INCREASING CLOUDS. AT HIGHER ELEVATIONS,  
A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE........30-35 LOWER ELEVATIONS...EXCEPT 21-30  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MAX HUMIDITY...........64-79 PERCENT.  
* 24 HR TREND..........LITTLE CHANGE.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 7 MPH IN THE EVENING  
BECOMING DRAINAGE UP TO 5 MPH.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 13 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND  
SNOW SHOWERS IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW  
SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE........49-54 LOWER ELEVATIONS...EXCEPT 39-47  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........34-54 PERCENT.  
* 24 HR TREND..........20 PERCENT UP.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 10 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 20 MPH WITH LOCAL  
GUSTS UP TO 30 MPH.  
* LAL....................1.  
* CWR....................20 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE EVENING THEN  
BECOMING PARTLY CLOUDY.  
* MIN TEMPERATURE........31-36 LOWER ELEVATIONS...EXCEPT 25-31  
HIGHER ELEVATIONS.  
* MAX HUMIDITY...........68-88 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 9 MPH IN THE EVENING  
BECOMING DRAINAGE UP TO 5 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 12 MPH SHIFTING TO THE  
NORTHEAST UP TO 8 MPH AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............INCREASING CLOUDS. AT LOWER ELEVATIONS,  
A SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND EARLY  
AFTERNOON. A CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. AT  
HIGHER ELEVATIONS, A CHANCE OF RAIN AND SNOW SHOWERS IN THE LATE  
MORNING AND AFTERNOON.  
* MAX TEMPERATURE........51-56 LOWER ELEVATIONS...EXCEPT 40-48  
HIGHER ELEVATIONS.  
* MIN HUMIDITY...........34-54 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH SHIFTING TO THE  
SOUTHWEST UP TO 12 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE  
SOUTHWEST UP TO 14 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................20 PERCENT.  
 

 
 
CAZ214-242300-  
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING  
NORTHWEST LASSEN NF NORTH OF LASSEN NP-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............INCREASING CLOUDS WITH A SLIGHT CHANCE  
OF SNOW SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE........17-22.  
* 24 HR TREND..........7 DEGREES WARMER.  
* MAX HUMIDITY...........73-93 PERCENT.  
* 24 HR TREND..........5 PERCENT DOWN.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.  
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING SOUTH UP  
TO 11 MPH AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SNOW  
SHOWERS.  
* MAX TEMPERATURE........42-47 LOWER ELEVATIONS...EXCEPT 34-41  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........38-48 PERCENT.  
* 24 HR TREND..........18 PERCENT UP.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 14 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 20 MPH WITH LOCAL  
GUSTS UP TO 30 MPH.  
* LAL....................1.  
* CWR....................20 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
* MIN TEMPERATURE........20-25.  
* MAX HUMIDITY...........81-97 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 9 MPH IN THE EVENING  
BECOMING DRAINAGE UP TO 5 MPH.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 15 MPH WITH LOCAL GUSTS  
UP TO 25 MPH IN THE EVENING BECOMING VARIABLE UP TO 6 MPH.  
* LAL....................1.  
* CWR....................10 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............INCREASING CLOUDS. A SLIGHT CHANCE OF  
SNOW SHOWERS IN THE LATE MORNING AND EARLY AFTERNOON BECOMING A  
CHANCE LATE IN THE AFTERNOON.  
* MAX TEMPERATURE........45-50 LOWER ELEVATIONS...EXCEPT 39-45  
HIGHER ELEVATIONS.  
* MIN HUMIDITY...........38-53 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 12 MPH SHIFTING TO THE  
SOUTHWEST UP TO 15 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 8 TO 18 MPH.  
* LAL....................1.  
* CWR....................10 PERCENT.  
 

 
 
CAZ215-242300-  
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW  
1000 FT-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FROST AFTER MIDNIGHT.  
* MIN TEMPERATURE........28-33.  
* 24 HR TREND..........LITTLE CHANGE.  
* MAX HUMIDITY...........68-85 PERCENT.  
* 24 HR TREND..........14 PERCENT UP.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING  
MOSTLY CLOUDY. PATCHY FROST IN THE MORNING.  
* MAX TEMPERATURE........52-58.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........28-38 PERCENT.  
* 24 HR TREND..........18 PERCENT UP.  
* 20-FOOT WINDS..........SOUTH WINDS UP TO 11 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE EVENING THEN  
CLEARING. PATCHY FROST EARLY IN THE MORNING.  
* MIN TEMPERATURE........31-36.  
* MAX HUMIDITY...........70-90 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 11 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............PATCHY FROST IN THE MORNING. PARTLY CLOUDY  
UNTIL LATE AFTERNOON, THEN MOSTLY CLOUDY WITH A CHANCE OF RAIN  
SHOWERS LATE IN THE AFTERNOON.  
* MAX TEMPERATURE........57-62.  
* MIN HUMIDITY...........31-41 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 9 MPH SHIFTING TO THE  
SOUTH UP TO 12 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ216-242300-  
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN  
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE........29-34.  
* 24 HR TREND..........LITTLE CHANGE.  
* MAX HUMIDITY...........76-96 PERCENT.  
* 24 HR TREND..........5 PERCENT DOWN.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 7 MPH SHIFTING TO  
THE SOUTHEAST UP TO 6 MPH AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............PARTLY CLOUDY. AREAS OF FROST IN THE  
MORNING.  
* MAX TEMPERATURE........55-60.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........30-40 PERCENT.  
* 24 HR TREND..........15 PERCENT UP.  
* 20-FOOT WINDS..........SOUTH WINDS UP TO 11 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE EVENING THEN  
CLEARING. PATCHY FROST EARLY IN THE MORNING.  
* MIN TEMPERATURE........32-37.  
* MAX HUMIDITY...........72-92 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 11 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............PATCHY FROST EARLY IN THE MORNING. MOSTLY  
SUNNY UNTIL LATE AFTERNOON, THEN MOSTLY CLOUDY WITH A SLIGHT  
CHANCE OF RAIN SHOWERS.  
* MAX TEMPERATURE........57-62.  
* MIN HUMIDITY...........30-42 PERCENT.  
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 13 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ217-242300-  
SOUTHERN SACRAMENTO VALLEY IN YOLO-  
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY  
BELOW 1000 FT-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE........28-33.  
* 24 HR TREND..........LITTLE CHANGE.  
* MAX HUMIDITY...........85-100 PERCENT.  
* 24 HR TREND..........5 PERCENT DOWN.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 9 MPH SHIFTING TO THE  
SOUTHEAST UP TO 6 MPH AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. AREAS OF FROST IN THE MORNING.  
* MAX TEMPERATURE........56-61.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........35-45 PERCENT.  
* 24 HR TREND..........14 PERCENT UP.  
* 20-FOOT WINDS..........SOUTH WINDS UP TO 11 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE EVENING THEN  
CLEARING. PATCHY FROST EARLY IN THE MORNING.  
* MIN TEMPERATURE........32-37.  
* MAX HUMIDITY...........74-92 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 13 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............MOSTLY SUNNY UNTIL LATE AFTERNOON THEN  
BECOMING PARTLY CLOUDY. PATCHY FROST EARLY IN THE MORNING.  
* MAX TEMPERATURE........59-64.  
* MIN HUMIDITY...........32-44 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH SHIFTING TO  
THE SOUTHWEST UP TO 12 MPH IN THE AFTERNOON. WEST OF THE  
SACRAMENTO RIVER, WEST WINDS UP TO 15 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ218-242300-  
CARQUINEZ STRAIT AND DELTA-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE........28-33.  
* 24 HR TREND..........LITTLE CHANGE.  
* MAX HUMIDITY...........90-100 PERCENT.  
* 24 HR TREND..........6 PERCENT UP.  
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 8 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............MOSTLY SUNNY. AREAS OF FROST IN THE  
MORNING.  
* MAX TEMPERATURE........58-63.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........38-48 PERCENT.  
* 24 HR TREND..........18 PERCENT UP.  
* 20-FOOT WINDS..........SOUTH WINDS UP TO 10 MPH SHIFTING TO THE  
WEST UP TO 15 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE EVENING THEN  
CLEARING.  
* MIN TEMPERATURE........33-38.  
* MAX HUMIDITY...........81-94 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 13 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............MOSTLY SUNNY.  
* MAX TEMPERATURE........59-64.  
* MIN HUMIDITY...........31-46 PERCENT.  
* 20-FOOT WINDS..........WEST WINDS UP TO 15 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ219-242300-  
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS  
COUNTIES BELOW 1000 FT-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE........28-33.  
* 24 HR TREND..........LITTLE CHANGE.  
* MAX HUMIDITY...........81-99 PERCENT.  
* 24 HR TREND..........5 PERCENT DOWN.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 13 MPH SHIFTING TO  
THE SOUTHEAST UP TO 9 MPH AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............MOSTLY SUNNY. AREAS OF FROST IN THE  
MORNING.  
* MAX TEMPERATURE........55-60.  
* 24 HR TREND..........4 DEGREES WARMER.  
* MIN HUMIDITY...........30-40 PERCENT.  
* 24 HR TREND..........8 PERCENT UP.  
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 11 MPH SHIFTING TO  
THE NORTHWEST UP TO 15 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE EVENING THEN  
CLEARING. PATCHY FROST EARLY IN THE MORNING.  
* MIN TEMPERATURE........31-37.  
* MAX HUMIDITY...........80-95 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 14 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............SUNNY. PATCHY FROST EARLY IN THE MORNING.  
* MAX TEMPERATURE........57-62.  
* MIN HUMIDITY...........34-49 PERCENT.  
* 20-FOOT WINDS..........NORTHWEST WINDS 10 TO 16 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ263-279-242300-  
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-  
GLENN UNIT-EASTERN MENDOCINO NF-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............INCREASING CLOUDS WITH A SLIGHT CHANCE  
OF SNOW SHOWERS TOWARDS MORNING.  
* MIN TEMPERATURE........30-35 LOWER ELEVATIONS...EXCEPT 24-31  
HIGHER ELEVATIONS.  
* 24 HR TREND..........7 DEGREES WARMER.  
* MAX HUMIDITY...........69-84 PERCENT.  
* 24 HR TREND..........LITTLE CHANGE.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 11 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS UP TO 14 MPH WITH LOCAL GUSTS UP  
TO 30 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN  
BECOMING MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND HIGHER  
ELEVATION SNOW SHOWERS.  
* MAX TEMPERATURE........51-56 LOWER ELEVATIONS...EXCEPT 36-46  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........36-42 PERCENT LOWER ELEVATIONS...EXCEPT  
45-58 PERCENT HIGH ELEVATIONS.  
* 24 HR TREND..........24 PERCENT UP.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 12 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 20 MPH WITH LOCAL GUSTS UP  
TO 30 MPH.  
* LAL....................1.  
* CWR....................10 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR.  
* MIN TEMPERATURE........31-36 LOWER ELEVATIONS...EXCEPT 26-32  
HIGHER ELEVATIONS.  
* MAX HUMIDITY...........70-85 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 12 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 20 MPH WITH LOCAL  
GUSTS UP TO 30 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............INCREASING CLOUDS. A CHANCE OF RAIN AND  
HIGHER ELEVATION SNOW SHOWERS LATE IN THE AFTERNOON.  
* MAX TEMPERATURE........54-59 LOWER ELEVATIONS...EXCEPT 39-47  
HIGHER ELEVATIONS.  
* MIN HUMIDITY...........32-42 PERCENT LOWER ELEVATIONS...EXCEPT  
40-55 PERCENT HIGH ELEVATIONS.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 11 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 18 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ264-242300-  
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE........28-33.  
* 24 HR TREND..........4 DEGREES WARMER.  
* MAX HUMIDITY...........75-95 PERCENT LOWER ELEVATIONS...EXCEPT  
69-79 PERCENT HIGH ELEVATIONS.  
* 24 HR TREND..........9 PERCENT DOWN.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 13 MPH. LOCAL GUSTS UP  
TO 30 MPH AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............PARTLY CLOUDY. AREAS OF FROST IN THE  
MORNING. A SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE........50-55 LOWER ELEVATIONS...EXCEPT 45-50  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........43-55 PERCENT.  
* 24 HR TREND..........26 PERCENT UP.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 15 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 20 MPH WITH LOCAL  
GUSTS UP TO 30 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FROST EARLY IN THE  
MORNING.  
* MIN TEMPERATURE........29-35.  
* MAX HUMIDITY...........77-97 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 12 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 14 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............PATCHY FROST EARLY IN THE MORNING. MOSTLY  
SUNNY UNTIL LATE AFTERNOON, THEN MOSTLY CLOUDY WITH A SLIGHT  
CHANCE OF RAIN SHOWERS .  
* MAX TEMPERATURE........53-58 LOWER ELEVATIONS...EXCEPT 47-52  
HIGHER ELEVATIONS.  
* MIN HUMIDITY...........37-52 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 11 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 15 MPH WITH LOCAL GUSTS  
UP TO 25 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ266-242300-  
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS  
OF SHASTA-TRINITY AND BUTTE UNITS-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR.  
* MIN TEMPERATURE........29-36.  
* 24 HR TREND..........4 DEGREES WARMER.  
* MAX HUMIDITY...........54-69 PERCENT.  
* 24 HR TREND..........26 PERCENT DOWN.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 7 MPH.  
* RIDGES/UPR SLOPES....EAST WINDS UP TO 10 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN  
AND HIGHER ELEVATION SNOW SHOWERS.  
* MAX TEMPERATURE........48-53 LOWER ELEVATIONS...EXCEPT 43-48  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........32-42 PERCENT.  
* 24 HR TREND..........16 PERCENT UP.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 10 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 12 MPH.  
* LAL....................1.  
* CWR....................10 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE EVENING THEN  
CLEARING.  
* MIN TEMPERATURE........30-37.  
* MAX HUMIDITY...........69-84 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH.  
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 10 MPH SHIFTING TO THE EAST  
UP TO 8 MPH AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............INCREASING CLOUDS. A SLIGHT CHANCE OF  
RAIN AND HIGHER ELEVATION SNOW SHOWERS LATE IN THE AFTERNOON.  
* MAX TEMPERATURE........48-57.  
* MIN HUMIDITY...........32-46 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE  
SOUTHWEST UP TO 12 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....EAST WINDS UP TO 11 MPH SHIFTING TO THE  
SOUTHWEST UP TO 14 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ220-267-242300-  
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-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR.  
* MIN TEMPERATURE........25-31.  
* 24 HR TREND..........6 DEGREES WARMER.  
* MAX HUMIDITY...........77-92 PERCENT.  
* 24 HR TREND..........13 PERCENT DOWN.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 8 MPH.  
* RIDGES/UPR SLOPES....EAST WINDS UP TO 10 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............PARTLY CLOUDY. AT HIGHER ELEVATIONS, A  
SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE........50-55 LOWER ELEVATIONS...EXCEPT 45-50  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........35-45 PERCENT.  
* 24 HR TREND..........LITTLE CHANGE.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 8 MPH SHIFTING TO THE  
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 9 MPH SHIFTING TO THE  
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR.  
* MIN TEMPERATURE........28-35.  
* MAX HUMIDITY...........76-91 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH SHIFTING TO THE  
NORTHEAST AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....WEST WINDS UP TO 10 MPH SHIFTING TO THE EAST  
AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............MOSTLY SUNNY UNTIL LATE AFTERNOON, THEN  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.  
* MAX TEMPERATURE........55-60 LOWER ELEVATIONS...EXCEPT 50-55  
HIGHER ELEVATIONS.  
* MIN HUMIDITY...........34-49 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH SHIFTING TO THE  
SOUTHWEST UP TO 9 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....EAST WINDS UP TO 8 MPH SHIFTING TO THE  
SOUTHWEST UP TO 11 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ268-242300-  
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S  
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-  
BECKWORTH PEAK)-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR.  
* MIN TEMPERATURE........13-25.  
* 24 HR TREND..........8 DEGREES WARMER.  
* MAX HUMIDITY...........68-83 PERCENT...EXCEPT 79-97 PERCENT IN  
THE HIGH MOUNTAIN VALLEYS.  
* 24 HR TREND..........13 PERCENT DOWN.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 9 MPH.  
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 11 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN  
THE MORNING, THEN A SLIGHT CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE........35-40 LOWER ELEVATIONS...EXCEPT 29-35  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........41-57 PERCENT.  
* 24 HR TREND..........19 PERCENT UP.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 16 MPH.  
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 20 MPH WITH LOCAL GUSTS UP  
TO 30 MPH.  
* LAL....................1.  
* CWR....................20 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
* MIN TEMPERATURE........17-28.  
* MAX HUMIDITY...........78-93 PERCENT...EXCEPT 84-99 PERCENT IN  
THE HIGH MOUNTAIN VALLEYS.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 11 MPH SHIFTING TO THE  
EAST UP TO 9 MPH AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....WEST WINDS UP TO 15 MPH WITH LOCAL GUSTS UP  
TO 25 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.  
* LAL....................1.  
* CWR....................10 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............PARTLY CLOUDY UNTIL LATE AFTERNOON, THEN  
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS.  
* MAX TEMPERATURE........40-45 LOWER ELEVATIONS...EXCEPT 34-40  
HIGHER ELEVATIONS.  
* MIN HUMIDITY...........39-54 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 12 MPH SHIFTING TO THE  
SOUTHWEST 10 TO 16 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 18 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
CAZ221-269-242300-  
STANISLAUS NF WEST OF THE SIERRA CREST-  
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE  
SIERRA CREST-  
300 PM PST FRI FEB 23 2018  
   
TONIGHT
 
 
* SKY/WEATHER............MOSTLY CLEAR.  
* MIN TEMPERATURE........22-27 LOWER ELEVATIONS...EXCEPT 9-19  
HIGHER ELEVATIONS.  
* 24 HR TREND..........7 DEGREES WARMER.  
* MAX HUMIDITY...........50-70 PERCENT.  
* 24 HR TREND..........33 PERCENT DOWN.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 9 MPH.  
* RIDGES/UPR SLOPES....EAST WINDS UP TO 15 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY
 
 
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING, THEN MOSTLY  
CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE........40-45 LOWER ELEVATIONS...EXCEPT 28-38  
HIGHER ELEVATIONS.  
* 24 HR TREND..........LITTLE CHANGE.  
* MIN HUMIDITY...........34-45 PERCENT.  
* 24 HR TREND..........5 PERCENT UP.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 13 MPH.  
* RIDGES/UPR SLOPES....BREEZY. SOUTHWEST WINDS 15 TO 27 MPH WITH  
LOCAL GUSTS UP TO 35 MPH.  
* LAL....................1.  
* CWR....................0 PERCENT.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE EVENING THEN  
CLEARING. A SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING.  
* MIN TEMPERATURE........26-31 LOWER ELEVATIONS...EXCEPT 13-23  
HIGHER ELEVATIONS.  
* MAX HUMIDITY...........75-90 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO THE  
EAST AFTER MIDNIGHT.  
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 20 MPH SHIFTING TO THE  
EAST AFTER MIDNIGHT. LOCAL GUSTS UP TO 30 MPH.  
* LAL....................1.  
* CWR....................10 PERCENT.  
   
SUNDAY
 
 
* SKY/WEATHER............MOSTLY SUNNY UNTIL LATE AFTERNOON, THEN  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS.  
* MAX TEMPERATURE........46-51 LOWER ELEVATIONS...EXCEPT 32-42  
HIGHER ELEVATIONS.  
* MIN HUMIDITY...........34-49 PERCENT.  
* 20-FOOT WINDS..........  
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 11 MPH SHIFTING TO THE  
SOUTHWEST UP TO 13 MPH IN THE AFTERNOON.  
* RIDGES/UPR SLOPES....BREEZY. NORTHEAST WINDS 14 TO 20 MPH  
SHIFTING TO THE WEST 13 TO 25 MPH IN THE AFTERNOON.  
* LAL....................1.  
* CWR....................0 PERCENT.  
 

 
 
   
EXTENDED
 
 
 
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE   
SUNDAY NIGHT
 
RAIN AND SNOW SHOWERS LIKELY. LOWS 25 TO 34.  
SOUTHWEST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
HIGHS 33 TO 43. NORTHWEST WINDS 5 TO 15 MPH.    
MONDAY NIGHT
 
COLDER. MOSTLY CLEAR. LOWS 17 TO 27. NORTH WINDS  
10 TO 20 MPH.    
TUESDAY
 
NOT AS COOL. MOSTLY SUNNY. HIGHS 39 TO 49. NORTH WINDS  
8 TO 18 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND  
SNOW SHOWERS. LOWS 23 TO 33. NORTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. HIGHS 37 TO 46. WEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 26 TO 36. SOUTHWEST WINDS 5 TO 10 MPH.  
 
...NORTHERN SIERRA AND LASSEN PARK   
SUNDAY NIGHT
 
SNOW SHOWERS. LOWS 25 TO 33. SOUTH WINDS 5 TO  
15 MPH.    
MONDAY
 
SNOW SHOWERS. HIGHS 33 TO 40. SOUTHWEST WINDS UP TO  
20 MPH.    
MONDAY NIGHT
 
COLDER. PARTLY CLOUDY WITH A CHANCE OF SNOW  
SHOWERS. LOWS 15 TO 25. NORTHEAST WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 39 TO 46. NORTHEAST WINDS 5 TO  
15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 21 TO 29. NORTHEAST WINDS UP  
TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS.  
HIGHS 38 TO 46. SOUTH WINDS UP TO 15 MPH.   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 25 TO 33. SOUTH WINDS UP TO 10 MPH.  
 
...SIERRA NEVADA FOOTHILLS   
SUNDAY NIGHT
 
RAIN AND SNOW SHOWERS LIKELY. LOWS 33 TO 38.  
SOUTH WINDS UP TO 13 MPH.    
MONDAY
 
RAIN AND SNOW SHOWERS. HIGHS 42 TO 50. SOUTHWEST WINDS  
UP TO 15 MPH.    
MONDAY NIGHT
 
COLDER. PARTLY CLOUDY WITH A CHANCE OF RAIN AND  
SNOW SHOWERS. LOWS 25 TO 32. NORTH WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 48 TO 55. NORTH WINDS 5 TO 15 MPH.   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 29 TO 35. NORTH WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. HIGHS 47 TO 55. SOUTH WINDS UP TO 13 MPH.   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 33 TO 38. SOUTHEAST WINDS UP TO 10 MPH.  
 
...CENTRAL VALLEY AND DELTA   
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS  
36 TO 41. SOUTH WINDS 8 TO 18 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS  
54 TO 59. WEST WINDS 5 TO 15 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS. LOWS 31 TO 37. NORTHWEST WINDS 10 TO 20 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 58 TO 63. NORTHWEST WINDS 10 TO  
20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 33 TO 38. NORTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 56 TO 61. SOUTH WIND 5 TO 15  
MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS. LOWS 37 TO 42. SOUTH WINDS UP TO 10 MPH.  
 

 
 
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