163
FNUS86 KSTO 181004
FWLSTO
ECCDA DISCUSSIONS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
304 AM PDT SUN OCT 18 2026
ECC005-190415-
SHASTA-TRINITY NATIONAL FOREST-
DISCUSSION FOR REDDING ECC DISPATCH
304 AM PDT SUN OCT 18 2026
DRY AND SLIGHTLY COOLER TEMPERATURES TODAY, WITH HIGHS IN THE MID
70S TO LOW 80S. LOW DAYTIME RELATIVE HUMIDITY IN THE MID TO UPPER
TEENS. LIGHT WINDS, BECOMING GENTLE OUT OF THE WEST AND SOUTH
THIS AFTERNOON. COOLER TEMPERATURES AND ONSHORE FLOW BRINGING
SIGNIFICANTLY INCREASED HUMIDITY LEVELS EARLY NEXT WEEK.
PRECIPITATION CHANCES BEGIN ON MONDAY AFTERNOON OVER THE COASTAL
RANGE, FOLLOWED BY INCREASING CHANCES ACROSS THE AREA TUESDAY
ONWARD, WITH SOME POTENTIAL FOR WETTING RAIN WEDNESDAY AND
THURSDAY. THERE IS A 10-15% CHANCE OF MOUNTAIN THUNDERSTORM IN
SHASTA COUNTY ON WEDNESDAY, WITH LESS THAN 10% ON THURSDAY.
ECC007-190415-
MENDOCINO NATIONAL FOREST, SOUTHERN SACRAMENTO VALLEY, AND DELTA-
DISCUSSION FOR WILLOWS ECC DISPATCH
304 AM PDT SUN OCT 18 2026
...GUSTY RIDGETOP AND TERRAIN GAP WINDS SUNDAY AFTERNOON FOR
MENDOCINO AND LAKE COUNTIES...
DRY AND SLIGHTLY COOLER TEMPERATURES TODAY, WITH HIGHS IN THE LOW
TO MID 80S. ONSHORE FLOW WILL BRING INCREASED LOW DAYTIME
RELATIVE HUMIDITY VALUES IN THE 20S. WESTERLY TO NORTHWESTERLY
WINDS WILL TURN BREEZY THIS AFTERNOON, PARTICULARLY IN THE SOUTHERN
MENDOCINO AND LAKE COUNTY, AND IN THE DELTA. COOLER TEMPERATURES
AND ONSHORE FLOW BRINGING SIGNIFICANTLY INCREASED HUMIDITY LEVELS
EARLY NEXT WEEK. PRECIPITATION CHANCES BEGIN ON MONDAY AFTERNOON
OVER THE COASTAL RANGE, FOLLOWED BY INCREASING CHANCES ACROSS THE
AREA TUESDAY ONWARD, WITH SOME POTENTIAL FOR WETTING RAIN
WEDNESDAY AND THURSDAY. THUNDERSTORM CHANCES ARE CURRENTLY LOW,
LESS THAN 10%, FOR THE VALLEY, LAKE AND MENDOCINO COUNTIES ON
WEDNESDAY.
ECC008-190415-
RED BLUFF AND OROVILLE-
DISCUSSION FOR RED BLUFF AND OROVILLE ECC DISPATCH
304 AM PDT SUN OCT 18 2026
DRY AND SLIGHTLY COOLER TEMPERATURES TODAY, WITH HIGHS IN THE MID
70S TO LOW 80S. LOW DAYTIME RELATIVE HUMIDITY IN THE MID TO UPPER
TEENS. LIGHT WINDS, BECOMING GENTLE OUT OF THE WEST AND SOUTH
THIS AFTERNOON. COOLER TEMPERATURES AND ONSHORE FLOW BRINGING
SIGNIFICANTLY INCREASED HUMIDITY LEVELS EARLY NEXT WEEK.
PRECIPITATION CHANCES BEGIN ON MONDAY AFTERNOON OVER THE COASTAL
RANGE, FOLLOWED BY INCREASING CHANCES ACROSS THE AREA TUESDAY
ONWARD, WITH SOME POTENTIAL FOR WETTING RAIN WEDNESDAY AND
THURSDAY. THUNDERSTORM CHANCES ARE CURRENTLY LOW, LESS THAN 10%,
ON WEDNESDAY.
ECC011-190415-
TAHOE NATIONAL FOREST-
DISCUSSION FOR GRASS VALLEY ECC DISPATCH
304 AM PDT SUN OCT 18 2026
...LOCALLY CRITICAL FIRE WEATHER CONDITIONS MONDAY IN EASTERN LASSEN
DUE TO GUSTY WINDS AND LOW HUMIDITY...
WARM AND DRY THIS WEEKEND WITH LIGHT WINDS TODAY. WIND GUSTS
INCREASE TO 20 MPH THIS AFTERNOON, PEAKING MONDAY UP TO 35 MPH.
LOW DAYTIME RELATIVE HUMIDITY IMPROVE INTO THE MID TEENS TO LOW
20S TODAY. COOLER TEMPERATURES AND ONSHORE FLOW BRINGING SIGNIFICANTLY
INCREASED HUMIDITY LEVELS EARLY NEXT WEEK. PRECIPITATION CHANCES
INCREASING CHANCES ACROSS THE AREA TUESDAY ONWARD, WITH SOME
POTENTIAL FOR WETTING RAIN IN THE MOUNTAINS WEDNESDAY THROUGH
THURSDAY. THERE IS A 10-20% CHANCE OF THUNDERSTORM WEDNESDAY AND
THURSDAY ACROSS THE SIERRA, ALONG WITH SOME HIGH ELEVATION (8000
FT AND ABOVE) SNOW. FOR VALLEY AREAS, THERE IS NOW A LOW CHANCE
(10% OR LESS) OF THUNDERSTORM ON WEDNESDAY.
ECC015-190415-
STANISLAUS NATIONAL FOREST-
DISCUSSION FOR SAN ANDREAS ECC DISPATCH
304 AM PDT SUN OCT 18 2026
WARM AND DRY THIS WEEKEND WITH LIGHT WINDS TODAY. WIND GUSTS
INCREASE TO 20 MPH THIS AFTERNOON, PEAKING MONDAY UP TO 35 MPH.
LOW DAYTIME RELATIVE HUMIDITY IMPROVE INTO THE MID TEENS TO LOW
20S TODAY. COOLER TEMPERATURES AND ONSHORE FLOW BRINGING SIGNIFICANTLY
INCREASED HUMIDITY LEVELS EARLY NEXT WEEK. PRECIPITATION CHANCES
INCREASING CHANCES ACROSS THE AREA TUESDAY ONWARD, WITH SOME
POTENTIAL FOR WETTING RAIN IN THE MOUNTAINS WEDNESDAY THROUGH
THURSDAY. THERE IS A 10-20% CHANCE OF THUNDERSTORM WEDNESDAY AND
THURSDAY ACROSS THE SIERRA, ALONG WITH SOME HIGH ELEVATION (8000
FT AND ABOVE) SNOW. FOR VALLEY AREAS, THERE IS NOW A LOW CHANCE
(10% OR LESS) OF THUNDERSTORM ON WEDNESDAY.
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