334  
FNUS86 KSTO 181041  
FWLSTO  
 
ECCDA DISCUSSIONS FOR CALIFORNIA  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
341 AM PDT THU JUN 18 2026  
 
ECC005-190445-  
SHASTA-TRINITY NATIONAL FOREST-  
DISCUSSION FOR REDDING ECC DISPATCH  
341 AM PDT THU JUN 18 2026  
 
...ELEVATED FIRE WEATHER CONDITIONS TODAY THROUGH FRIDAY FOR MOUNTAIN  
THUNDERSTORM CHANCES AND STRONG OUTFLOW WINDS...  
 
...FIRE WEATHER WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY  
EVENING IN NORTHERN HUMBOLDT AND TRINITY COUNTIES INCLUDING ZONES  
403, 406, 409 AND 410...  
 
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE  
FRIDAY NIGHT FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER  
ZONES 624 AND 625...  
 
WARM AND MOSTLY DRY WEATHER TODAY, WITH CHANCES (15-25%) FOR A  
FOR MOUNTAIN THUNDERSTORMS ALONG THE SIERRA CREST AND SHASTA  
COUNTY MOUNTAINS THIS AFTERNOON AND EVENING. BREEZY ONSHORE AND  
TERRAIN DRIVEN WINDS PERSIST, WITH COOLER TEMPERATURES AND  
IMPROVING HUMIDITY RECOVERY INTO THE WEEKEND. MORE WIDESPREAD  
MOUNTAIN THUNDERSTORM POTENTIAL IS EXPECTED FRIDAY. AS A RESULT,  
ELEVATED FIRE WEATHER CONDITIONS ARE ANTICIPATED DUE TO THE  
POTENTIAL FOR ELEVATED MOUNTAIN THUNDERSTORMS AND GUSTY  
THUNDERSTORM OUTFLOW WINDS.  
 
 
 
ECC007-190445-  
MENDOCINO NATIONAL FOREST, SOUTHERN SACRAMENTO VALLEY, AND DELTA-  
DISCUSSION FOR WILLOWS ECC DISPATCH  
341 AM PDT THU JUN 18 2026  
 
...ELEVATED FIRE WEATHER CONDITIONS TODAY THROUGH FRIDAY FOR MOUNTAIN  
THUNDERSTORM CHANCES AND STRONG OUTFLOW WINDS...  
 
WARM AND MOSTLY DRY WEATHER TODAY. ISOLATED TO SCATTERED MOUNTAIN  
THUNDERSTORMS ARE EXPECTED TODAY AND FRIDAY, MAINLY OVER THE  
NORTHERN PORTION OF MENDOCINO NATIONAL FOREST. AS A RESULT,  
ELEVATED FIRE WEATHER CONDITIONS ARE ANTICIPATED DUE TO THE  
POTENTIAL FOR ELEVATED MOUNTAIN THUNDERSTORMS AND GUSTY  
THUNDERSTORM OUTFLOW WINDS.  
 
 
 
ECC008-190445-  
RED BLUFF AND OROVILLE-  
DISCUSSION FOR RED BLUFF AND OROVILLE ECC DISPATCH  
341 AM PDT THU JUN 18 2026  
 
...ELEVATED FIRE WEATHER CONDITIONS TODAY THROUGH FRIDAY FOR MOUNTAIN  
THUNDERSTORM CHANCES AND STRONG OUTFLOW WINDS...  
 
WARM AND MOSTLY DRY WEATHER TODAY, WITH CHANCES (15-25%) FOR A  
FOR MOUNTAIN THUNDERSTORMS ALONG THE SIERRA CREST AND SHASTA  
COUNTY MOUNTAINS THIS AFTERNOON AND EVENING. BREEZY ONSHORE AND  
TERRAIN DRIVEN WINDS PERSIST, WITH COOLER TEMPERATURES AND  
IMPROVING HUMIDITY RECOVERY INTO THE WEEKEND. MORE WIDESPREAD  
MOUNTAIN THUNDERSTORM POTENTIAL IS EXPECTED FRIDAY. AS A RESULT,  
ELEVATED FIRE WEATHER CONDITIONS ARE ANTICIPATED DUE TO THE  
POTENTIAL FOR ELEVATED MOUNTAIN THUNDERSTORMS AND GUSTY  
THUNDERSTORM OUTFLOW WINDS.  
 
 
 
ECC011-190445-  
TAHOE NATIONAL FOREST-  
DISCUSSION FOR GRASS VALLEY ECC DISPATCH  
341 AM PDT THU JUN 18 2026  
 
...ELEVATED FIRE WEATHER CONDITIONS TODAY THROUGH FRIDAY FOR MOUNTAIN  
THUNDERSTORM CHANCES AND STRONG OUTFLOW WINDS...  
 
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 10 PM PDT THURSDAY FOR  
FAR EASTERN PORTIONS OF THIS ECCDA ZONE DUE TO THUNDERSTORMS AND  
STRONG OUTFLOW WINDS...  
 
WARM AND MOSTLY DRY WEATHER TODAY, WITH CHANCES  
(15-25%) FOR A FOR MOUNTAIN THUNDERSTORMS ALONG THE SIERRA CREST  
AND SHASTA COUNTY MOUNTAINS THIS AFTERNOON AND EVENING. BREEZY  
ONSHORE AND TERRAIN DRIVEN WINDS PERSIST, WITH COOLER TEMPERATURES  
AND IMPROVING HUMIDITY RECOVERY INTO THE WEEKEND. MORE WIDESPREAD  
MOUNTAIN THUNDERSTORM POTENTIAL IS EXPECTED FRIDAY. AS A RESULT, ELEVATED TO CRITICAL FIRE WEATHER  
CONDITIONS ARE ANTICIPATED DUE TO THE POTENTIAL FOR ISOLATED DRY  
THUNDERSTORMS WITH LIGHTNING AND GUSTY OUTFLOW WINDS.  
 
 
 
ECC015-190445-  
STANISLAUS NATIONAL FOREST-  
DISCUSSION FOR SAN ANDREAS ECC DISPATCH  
341 AM PDT THU JUN 18 2026  
   
..DISCUSSION FROM SFOFWFSTO  
 
...ELEVATED FIRE WEATHER CONDITIONS TODAY THROUGH FRIDAY FOR MOUNTAIN  
THUNDERSTORM CHANCES AND STRONG OUTFLOW WINDS...  
 
WARM AND MOSTLY DRY WEATHER TODAY, WITH CHANCES (15-25%) FOR A  
FOR MOUNTAIN THUNDERSTORMS ALONG THE SIERRA CREST AND SHASTA  
COUNTY MOUNTAINS THIS AFTERNOON AND EVENING. BREEZY ONSHORE AND  
TERRAIN DRIVEN WINDS PERSIST, WITH COOLER TEMPERATURES AND  
IMPROVING HUMIDITY RECOVERY INTO THE WEEKEND. MORE WIDESPREAD  
MOUNTAIN THUNDERSTORM POTENTIAL IS EXPECTED FRIDAY. AS A RESULT,  
ELEVATED FIRE WEATHER CONDITIONS ARE ANTICIPATED DUE TO THE  
POTENTIAL FOR ELEVATED MOUNTAIN THUNDERSTORMS AND GUSTY  
THUNDERSTORM OUTFLOW WINDS.  
 
 
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