455  
FNUS86 KSTO 212120  
FWLSTO  
 
ECCDA DISCUSSIONS FOR CALIFORNIA  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
220 PM PDT FRI AUG 21 2026  
 
ECC005-221530-  
SHASTA-TRINITY NATIONAL FOREST-  
DISCUSSION FOR REDDING ECC DISPATCH  
220 PM PDT FRI AUG 21 2026  
 
...RED FLAG WARNING REMAINS IN EFFECT TODAY AND SATURDAY FROM 2  
PM TO 9 PM PDT FOR STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER  
ZONE 284...  
 
...BREEZY WEST WINDS AND LOW HUMIDITY IN THE BURNEY BASIN WILL  
LEAD TO ELEVATED FIRE WEATHER CONCERNS TODAY AND SATURDAY...  
 
SEASONABLY WARM AND DRY CONDITIONS ARE FORECAST TO PREVAIL  
THROUGHOUT THE REGION OVER THE COMING DAYS. MINOR COOLING TODAY  
INTO THE WEEKEND AS A WEAK SYSTEM ARRIVES TO THE PACIFIC  
NORTHWEST. THIS WILL RESULT IN INCREASED ONSHORE FLOW AND PERIODS  
OF BREEZY CONDITIONS FOR THE REGION. WIND GUSTS UP TO 30 MPH WILL  
DEVELOP IN THE BURNEY BASIN THIS AFTERNOON AND AGAIN SATURDAY,  
ALONGSIDE DAYTIME HUMIDITY VALUES IN THE UPPER TEENS TO LOW 20S.  
COMBINED, THIS WILL LEAD TO ELEVATED FIRE WEATHER CONCERNS FOR  
EASTERN SHASTA COUNTY. WITH DAYTIME HUMIDITY IN THE LOWER TEENS  
ACROSS SISKIYOU COUNTY, A RED FLAG WARNING REMAINS IN EFFECT  
THROUGH 9 PM THIS EVENING AS WELL AS FROM 2 PM UNTIL 9 PM ON  
SATURDAY.  
 
 
 
ECC007-221530-  
MENDOCINO NATIONAL FOREST, SOUTHERN SACRAMENTO VALLEY, AND DELTA-  
DISCUSSION FOR WILLOWS ECC DISPATCH  
220 PM PDT FRI AUG 21 2026  
 
SEASONABLY WARM AND DRY CONDITIONS ARE FORECAST TO PREVAIL  
THROUGHOUT THE REGION OVER THE COMING DAYS. MINOR COOLING ARRIVES  
TODAY INTO THE WEEKEND AS A WEAK SYSTEM PUSHES TOWARD THE PACIFIC  
NORTHWEST. PERIODICALLY BREEZY ONSHORE WINDS ARE EXPECTED AT TIMES  
AS A RESULT, WITH STRONGEST GUSTS UP TO 25 MPH ANTICIPATED  
THROUGHOUT THE DELTA VICINITY.  
 
 
 
ECC008-221530-  
RED BLUFF AND OROVILLE-  
DISCUSSION FOR RED BLUFF AND OROVILLE ECC DISPATCH  
220 PM PDT FRI AUG 21 2026  
 
...BREEZY WEST WINDS AND LOW HUMIDITY IN THE BURNEY BASIN WILL  
LEAD TO ELEVATED FIRE WEATHER CONCERNS TODAY AND SATURDAY...  
 
SEASONABLY WARM AND DRY CONDITIONS ARE FORECAST TO PREVAIL  
THROUGHOUT THE REGION OVER THE COMING DAYS. MINOR COOLING TODAY  
INTO THE WEEKEND AS A WEAK SYSTEM ARRIVES TO THE PACIFIC  
NORTHWEST. THIS WILL RESULT IN INCREASED ONSHORE FLOW AND PERIODS  
OF BREEZY CONDITIONS FOR THE REGION. WIND GUSTS UP TO 30 MPH WILL  
DEVELOP IN THE BURNEY BASIN THIS AFTERNOON AND AGAIN SATURDAY,  
ALONGSIDE DAYTIME HUMIDITY VALUES IN THE UPPER TEENS TO LOW 20S.  
COMBINED, THIS WILL LEAD TO ELEVATED FIRE WEATHER CONCERNS FOR  
EASTERN SHASTA COUNTY. THUNDERSTORM CHANCES AROUND 10% EAST OF THE  
SIERRA CREST THROUGH THE WEEKEND.  
 
 
 
ECC011-221530-  
TAHOE NATIONAL FOREST-  
DISCUSSION FOR GRASS VALLEY ECC DISPATCH  
220 PM PDT FRI AUG 21 2026  
 
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT SATURDAY FOR  
GUSTY WINDS AND LOW HUMIDITY ACROSS NORTHEAST CALIFORNIA...  
 
SEASONABLY WARM AND DRY CONDITIONS ARE FORECAST TO PREVAIL  
THROUGHOUT THE REGION OVER THE COMING DAYS. MINOR COOLING TODAY  
INTO THE WEEKEND AS A WEAK SYSTEM ARRIVES TO THE PACIFIC  
NORTHWEST. THIS WILL RESULT IN INCREASED ONSHORE FLOW AND PERIODS  
OF BREEZY CONDITIONS FOR THE REGION. EAST OF THE SIERRA CREST,  
PLAN ON TYPICAL WEST WINDS IN THE AFTERNOON WITH GUSTS UP TO 25  
MPH TODAY, WITH WINDS INCREASING ON SATURDAY AFTERNOON, WITH GUSTS  
OF 35 TO 40 MPH FOR NORTHEAST CA. DUE TO THE COMBINATION OF THESE  
GUSTY WINDS AND DAYTIME HUMIDITY INTO THE LOWER TEENS ON  
SATURDAY, A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM UNTIL 11  
PM ON SATURDAY FOR PORTIONS OF EASTERN LASSEN COUNTY.  
THUNDERSTORM CHANCES REMAIN AROUND 10% EAST OF THE SIERRA CREST  
THROUGH THE WEEKEND.  
 
 
 
ECC015-221530-  
STANISLAUS NATIONAL FOREST-  
DISCUSSION FOR SAN ANDREAS ECC DISPATCH  
220 PM PDT FRI AUG 21 2026  
 
SEASONABLY WARM AND DRY CONDITIONS ARE FORECAST TO PREVAIL  
THROUGHOUT THE REGION OVER THE COMING DAYS. MINOR COOLING ARRIVES  
TODAY INTO THE WEEKEND AS A WEAK SYSTEM PUSHES TOWARD THE PACIFIC  
NORTHWEST. PERIODICALLY BREEZY ONSHORE WINDS ARE EXPECTED AT TIMES  
AS A RESULT, WITH STRONGEST GUSTS UP TO 25 MPH ANTICIPATED  
THROUGHOUT THE DELTA VICINITY. THUNDERSTORM CHANCES REMAIN AROUND  
10% EAST OF THE SIERRA CREST THROUGH THE WEEKEND, MOSTLY ALONG AND  
SOUTH OF THE HIGHWAY 50 CORRIDOR.  
 
 
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