125
FNUS86 KSTO 131009
FWLSTO
ECCDA DISCUSSIONS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
309 AM PDT THU AUG 13 2026
ECC005-140415-
SHASTA-TRINITY NATIONAL FOREST-
DISCUSSION FOR REDDING ECC DISPATCH
309 AM PDT THU AUG 13 2026
...ELEVATED FIRE WEATHER CONDITIONS LATE IN THE WEEK DUE TO A
SLIGHT CHANCE OF THUNDERSTORMS...
A SLIGHT 5-15% CHANCE OF THUNDERSTORMS IS POSSIBLE ACROSS THE
SHASTA, TRINITY, AND SISKIYOU COUNTY TERRAIN TODAY AND FRIDAY AS
MONSOONAL MOISTURE CONTINUES TO PUSH THROUGH. HIGHEST CHANCES ARE
EXPECTED ON FRIDAY. LIMITED RAINFALL IS EXPECTED WITH ANY
THUNDERSTORMS THAT DO DEVELOP, WITH NEW FIRE STARTS FROM LIGHTNING
AND GUSTY OUTFLOW WINDS BEING THE PRIMARY CONCERNS. A SHIFT
TOWARD DRIER WEATHER IS THEN ANTICIPATED THROUGH THE WEEKEND AND
INTO NEXT WEEK AS BELOW NORMAL TEMPERATURES PERSIST.
ECC007-140415-
MENDOCINO NATIONAL FOREST, SOUTHERN SACRAMENTO VALLEY, AND DELTA-
DISCUSSION FOR WILLOWS ECC DISPATCH
309 AM PDT THU AUG 13 2026
...ELEVATED FIRE WEATHER CONDITIONS LATE IN THE WEEK DUE TO A
SLIGHT CHANCE OF THUNDERSTORMS...
COOLER TEMPERATURES, BREEZY ONSHORE WINDS, AND THUNDERSTORM
CHANCES CONTINUE THROUGH THE END OF THE WEEK. A LOW CHANCE FOR
ISOLATED DRY THUNDERSTORMS IN THE VALLEY AND COAST RANGE IS
FORECAST THIS MORNING, BUT CHANCES REMAIN LESS THAN 5%.
THUNDERSTORM CHANCES UP TO 10% THEN CONTINUE ALONG THE NORTHERN
COAST RANGE TOWARD NORTHERN MENDOCINO AND SOUTHERN TRINITY
COUNTIES TODAY AND FRIDAY WITH A MIX OF WET AND DRY THUNDERSTORMS
POSSIBLE. ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED AS A
RESULT OF THUNDERSTORM CHANCES AND DRY FUELS. DRIER WEATHER IS
ANTICIPATED BY THE WEEKEND AS COOL TEMPERATURES CONTINUE.
ECC008-140415-
RED BLUFF AND OROVILLE-
DISCUSSION FOR RED BLUFF AND OROVILLE ECC DISPATCH
309 AM PDT THU AUG 13 2026
COOLER TEMPERATURES, BREEZY ONSHORE WINDS, AND THUNDERSTORM
CHANCES CONTINUE THROUGH THE END OF THE WEEK. A MIX OF WET AND
DRY THUNDERSTORMS REMAINS POSSIBLE ALONG THE WEST SLOPE SIERRA
THROUGH THE END OF THE WEEK, BUT HIGHEST CHANCES ARE EXPECTED
NEARER TO THE CREST AND SOUTH OF INTERSTATE 80. COOL, DRY, AND
BREEZY WEATHER THEN CONTINUES THROUGH THE WEEKEND.
ECC011-140415-
TAHOE NATIONAL FOREST-
DISCUSSION FOR GRASS VALLEY ECC DISPATCH
309 AM PDT THU AUG 13 2026
...RED FLAG WARNING FROM 5AM PDT UNTIL 9PM PDT TODAY FOR SIERRA FIRE
ZONES 136 & 139 ELEVATIONS ABOVE 5000 FEET DUE TO THUNDERSTORMS AND
GUSTY OUTFLOW WINDS...
A RED FLAG WARNING IS IN EFFECT FROM 5 AM UNTIL 9 PM TODAY FOR
SIERRA LOCATIONS ABOVE 5000 FEET SOUTH OF INTERSTATE 80 AS
THUNDERSTORM CHANCES CONTINUE AROUND 15-30%. A WET/DRY MIX OF
THUNDERSTORMS IS THE PRIMARY RISK AND GUSTY OUTFLOW WINDS BRINGING
THE POTENTIAL FOR NEW FIRE STARTS, ALTHOUGH WETTER THUNDERSTORMS
POSING A FLOODING THREAT ARE ANTICIPATED EAST OF THE SIERRA CREST.
A SLIGHT 5-10% CHANCE FOR ISOLATED THUNDERSTORMS REMAINS IN THE
FORECAST FOR THE SIERRA FOOTHILLS LOCATIONS SOUTH OF INTERSTATE 80
THROUGH THIS MORNING AS WELL. MOUNTAIN THUNDERSTORM CHANCES WILL
CONTINUE THROUGH FRIDAY AFTERNOON, WITH CHANCES FALLING BELOW 10%
BY THE WEEKEND.
ECC015-140415-
STANISLAUS NATIONAL FOREST-
DISCUSSION FOR SAN ANDREAS ECC DISPATCH
309 AM PDT THU AUG 13 2026
...RED FLAG WARNING FROM 5AM PDT UNTIL 9PM PDT TODAY FOR SIERRA FIRE
ZONES 136 & 139 ELEVATIONS ABOVE 5000 FEET DUE TO THUNDERSTORMS AND
GUSTY OUTFLOW WINDS...
...ELEVATED FIRE WEATHER CONDITIONS THROUGH THIS MORNING FOR
NORTHERN SAN JOAQUIN VALLEY AND SIERRA FOOTHILLS DUE TO ISOLATED
DRY THUNDERSTORMS AND DRY FUELS...
A RED FLAG WARNING IS IN EFFECT FROM 5 AM UNTIL 9 PM TODAY FOR
SIERRA LOCATIONS ABOVE 5000 FEET SOUTH OF INTERSTATE 80 AS
THUNDERSTORM CHANCES CONTINUE AROUND 15-30%. A WET/DRY MIX OF
THUNDERSTORMS IS THE PRIMARY RISK AND GUSTY OUTFLOW WINDS BRINGING
THE POTENTIAL FOR NEW FIRE STARTS, ALTHOUGH WETTER THUNDERSTORMS
POSING A FLOODING THREAT ARE ANTICIPATED EAST OF THE SIERRA CREST.
A SLIGHT 5-10% CHANCE FOR ISOLATED THUNDERSTORMS REMAINS IN THE
FORECAST FOR THE SIERRA FOOTHILLS LOCATIONS SOUTH OF INTERSTATE 80
THROUGH THIS MORNING AS WELL. MOUNTAIN THUNDERSTORM CHANCES WILL
CONTINUE THROUGH FRIDAY AFTERNOON, WITH CHANCES FALLING BELOW 10%
BY THE WEEKEND.
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