552
FNUS86 KSTO 211112
FWLSTO
ECCDA DISCUSSIONS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
412 AM PDT THU MAY 21 2026
ECC005-220515-
SHASTA-TRINITY NATIONAL FOREST-
DISCUSSION FOR REDDING ECC DISPATCH
412 AM PDT THU MAY 21 2026
ABOVE-NORMAL TEMPERATURES CONTINUE THE REST OF THIS WEEK, COUPLED
WITH LOW RELATIVE HUMIDITIES. THERE IS A LOW CHANCE FOR ISOLATED
HIGH MOUNTAIN SHOWERS AND THUNDERSTORMS ON FRIDAY. ONSHORE FLOW
INCREASES THIS EVENING ONWARD, WHICH WILL GRADUALLY INCREASE
HUMIDITY LEVELS AND INTRODUCE SLIGHTLY COOLER TEMPERATURES BY THE
WEEKEND. MORE SIGNIFICANT COOLING IS EXPECTED BY EARLY NEXT WEEK,
WITH GUSTY ONSHORE WINDS MONDAY INTO TUESDAY. THERE IS THE
POTENTIAL FOR MORE WIDESPREAD SHOWERS EARLY TO THE MIDDLE OF NEXT
WEEK, BUT CONFIDENCE IN DETAILS CURRENTLY REMAINS LOW.
ECC007-220515-
MENDOCINO NATIONAL FOREST, SOUTHERN SACRAMENTO VALLEY, AND DELTA-
DISCUSSION FOR WILLOWS ECC DISPATCH
412 AM PDT THU MAY 21 2026
ABOVE-NORMAL TEMPERATURES CONTINUE THE REST OF THIS WEEK, COUPLED
WITH LOW RELATIVE HUMIDITIES. THERE IS A LOW CHANCE FOR ISOLATED
HIGH MOUNTAIN SHOWERS AND THUNDERSTORMS ON FRIDAY. DELTA BREEZE AND
ONSHORE FLOW INCREASE THIS EVENING ONWARD, WHICH WILL GRADUALLY
INCREASE HUMIDITY LEVELS AND INTRODUCE SLIGHTLY COOLER
TEMPERATURES BY THE WEEKEND. MORE SIGNIFICANT COOLING IS EXPECTED
BY EARLY NEXT WEEK, WITH GUSTY ONSHORE WINDS MONDAY INTO TUESDAY.
SOME MOUNTAIN SHOWERS ARE POSSIBLE OVER THE NORTHERN MENDOCINO BY
EARLY NEXT WEEK, BUT CONFIDENCE REMAINS LOW.
ECC008-220515-
RED BLUFF AND OROVILLE-
DISCUSSION FOR RED BLUFF AND OROVILLE ECC DISPATCH
412 AM PDT THU MAY 21 2026
ABOVE-NORMAL TEMPERATURES CONTINUE THE REST OF THIS WEEK, COUPLED
WITH LOW RELATIVE HUMIDITIES. THERE IS A LOW CHANCE FOR ISOLATED
HIGH MOUNTAIN SHOWERS AND THUNDERSTORMS ON FRIDAY. ONSHORE FLOW
INCREASES THIS EVENING ONWARD, WHICH WILL GRADUALLY INCREASE
HUMIDITY LEVELS AND INTRODUCE SLIGHTLY COOLER TEMPERATURES BY THE
WEEKEND. MORE SIGNIFICANT COOLING IS EXPECTED BY EARLY NEXT WEEK,
WITH GUSTY ONSHORE WINDS MONDAY INTO TUESDAY. SHOWERS ARE
POSSIBLE BY EARLY TO THE MIDDLE OF NEXT WEEK, MAINLY IN THE
MOUNTAINS, BUT CONFIDENCE CURRENTLY REMAINS LOW.
ECC011-220515-
TAHOE NATIONAL FOREST-
DISCUSSION FOR GRASS VALLEY ECC DISPATCH
412 AM PDT THU MAY 21 2026
ABOVE-NORMAL TEMPERATURES CONTINUE THE REST OF THIS WEEK, COUPLED
WITH LOW RELATIVE HUMIDITIES. THERE IS A LOW CHANCE FOR ISOLATED
HIGH MOUNTAIN SHOWERS AND THUNDERSTORMS ON FRIDAY. ONSHORE FLOW
INCREASES THIS EVENING ONWARD, WHICH WILL GRADUALLY INCREASE
HUMIDITY LEVELS AND INTRODUCE SLIGHTLY COOLER TEMPERATURES BY THE
WEEKEND. MORE SIGNIFICANT COOLING IS EXPECTED BY EARLY NEXT WEEK,
WITH GUSTY ONSHORE WINDS MONDAY INTO TUESDAY. SOME MOUNTAIN
SHOWERS ARE POSSIBLE EARLY TO MID NEXT WEEK, BUT CONFIDENCE
CURRENTLY REMAINS LOW.
ECC015-220515-
STANISLAUS NATIONAL FOREST-
DISCUSSION FOR SAN ANDREAS ECC DISPATCH
412 AM PDT THU MAY 21 2026
ABOVE-NORMAL TEMPERATURES CONTINUE THE REST OF THIS WEEK, COUPLED
WITH LOW RELATIVE HUMIDITIES. THERE IS A LOW CHANCE FOR ISOLATED
HIGH MOUNTAIN SHOWERS AND THUNDERSTORMS ON FRIDAY. ONSHORE FLOW
INCREASES THIS EVENING ONWARD, WHICH WILL GRADUALLY INCREASE
HUMIDITY LEVELS AND INTRODUCE SLIGHTLY COOLER TEMPERATURES BY THE
WEEKEND. MORE SIGNIFICANT COOLING IS EXPECTED BY EARLY NEXT WEEK,
WITH GUSTY ONSHORE WINDS MONDAY INTO TUESDAY. SOME MOUNTAIN
SHOWERS ARE POSSIBLE EARLY TO MID NEXT WEEK, BUT CONFIDENCE
CURRENTLY REMAINS LOW.
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