281
FNUS76 KEKA 062219
FWSEKA
SPOT FORECAST FOR MP 18 FIRE...NCIMT
NATIONAL WEATHER SERVICE EUREKA CA
319 PM PDT SUN SEP 6 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
IF YOU HAVE QUESTIONS OR CONCERNS REGARDING THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (707) 443-6484
PLEASE DO NOT RESPOND DIRECTLY IF YOU HAVE RECEIVED THIS IN AN EMAIL.
DISCUSSION
A STRONG RIDGE OF HIGH PRESSURE WILL DEVELOP AND
EXPAND IN FROM THE DESERT SOUTHWEST. THIS WILL RESULT IN A RAPID
WARM UP STARTING MONDAY. RH WILL DROP INTO THE MID 20S TO UPPER
TEEN WEDNESDAY WITH DAYTIME HIGHS REACHING THE LOW 90S TO OVER
100 IN THE VALLEY. THE HEAT AND DRY CONDITIONS MAY AIDED BY
OFFSHORE WINDS WEDNESDAY IF A THERMAL TROUGH DEVELOPS. THE
OFFSHORE WINDS WILL POTENTIALLY TURN BREEZY WEDNESDAY, INCREASING
FIRE WEATHER CONCERNS. UNSEASONABLY HOT TEMPERATURES WILL
CONTINUE THURSDAY BEFORE THE RIDGE BEGINS TO WEAKEN AND
TEMPERATURES LOWER GOING INTO NEXT WEEKEND. THERE IS CURRENTLY A
ZERO PERCENT CHANCE FOR WETTING RAIN OVER THE NEXT 10 DAYS.
SUBTROPICAL MOISTURE WILL SURGE NORTHWARD OVER THE AREA
WEDNESDAY, AND WILL HAVE TO BE MONITORED FOR THUNDERSTORM
POTENTIAL. CURRENTLY, CHANCES ARE VERY LOW, LESS THAN 5 PERCENT
DUE TO THE STRONG, CAPPING HIGH PRESSURE.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....45-49.
MAX HUMIDITY........74-84 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH EARLY IN THE
EVENING...BECOMING VARIABLE 2 TO 4 MPH,
THEN...BECOMING NORTHEAST AROUND 5 MPH LATE IN
THE EVENING.
MIXING HEIGHT.......2100 FT AGL, LOWERING TO 200 AGL.
TRANSPORT WINDS.....NORTH AROUND 6 MPH NORTHEAST 5 TO 7 MPH LATE IN
THE EVENING.
LABOR DAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....69-77.
MIN HUMIDITY........35-42 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH EARLY IN THE
MORNING...BECOMING VARIABLE 1 TO 3 MPH,
THEN...BECOMING WEST AROUND 5 MPH EARLY IN THE
AFTERNOON.
MIXING HEIGHT.......200 FT AGL INCREASING TO 2500-3600 FT AGL
EARLY IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 5 MPH NORTHWEST LATE IN THE MORNING.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....53-56.
MAX HUMIDITY........56-63 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE
EVENING...BECOMING VARIABLE 2 TO 4 MPH,
THEN...BECOMING EAST 5 TO 7 MPH LATE IN THE
EVENING.
MIXING HEIGHT.......2500 FT AGL DECREASING TO 200 FT AGL EARLY IN
THE EVENING.
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH EAST AROUND 6 MPH LATE IN
THE EVENING, THEN SOUTHEAST AROUND 5 MPH EARLY
IN THE MORNING.
TUESDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....76-84.
MIN HUMIDITY........28-35 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH IN THE MORNING...BECOMING
VARIABLE 2 TO 4 MPH, THEN...BECOMING WEST 5 TO
6 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......200-900 FT AGL INCREASING TO 4500 FT AGL EARLY
IN THE AFTERNOON, THEN DECREASING TO 2400 FT
AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SOUTHWEST AROUND 3 MPH
LATE IN THE MORNING, THEN NORTH AROUND 5 MPH
LATE IN THE AFTERNOON.
FORECASTER...WOOD
REQUESTED BY...COLLIN EWING
TYPE OF REQUEST...WILDFIRE
.TAG 2621104.0/EKA
.DELDT 09/06/26
.EMAIL 2026.MP18.PLANS@FIRENET.GOV
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