526
FXUS66 KHNX 281109
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
309 AM PST SAT FEB 28 2026
UPDATE
AVIATION SECTION UPDATED
KEY MESSAGES
1. VALLEY FOG PERSISTING UNTIL SATURDAY ALONGSIDE A GENERAL
WARMING TREND.
2. DENSE FOG WILL ALSO CONTINUE IN THE TEHACHAPI MOUNTAINS THIS
WEEKEND.
3. A LOW PRESSURE SYSTEM BRINGS CHANCES OF PRECIPITATION OVER
THE SIERRA NEVADA ON SUNDAY AND MONDAY WITH SNOW LEVELS AT
7,000 TO 8,000 FEET.
DISCUSSION
DENSE FOG HAS DEVELOPED NEAR TEHACHAPI THIS EVENING, AND A DENSE
FOG ADVISORY HAS BEEN ISSUED FOR THAT AREA UNTIL SATURDAY
MORNING. LOW CLOUDS HAVE ALSO BEEN FORMING IN THE SIERRA TO THE
KERN COUNTY MOUNTAINS FOR THE PAST COUPLE OF NIGHTS, ALONG WITH
PATCHY DENSE FOG. FOG DEVELOPS IN THE CENTRAL VALLEY LATER
TONIGHT, ALTHOUGH VISIBILITY IS LARGELY 8 MILES OR BETTER AT THE
TIME OF THIS WRITING. LATEST HIGH RESOLUTION GUIDANCE SUGGESTS
FOG AND LOW CLOUDS HAVE A MODERATE PROBABILITY TO REDEVELOP IN
THE SAN JOAQUIN VALLEY TOMORROW NIGHT INTO SUNDAY MORNING, OR
AT A 30-40 PERCENT CHANCE OF VISIBILITY AT ONE QUARTER MILE OR
LESS. AS FOR THE MOUNTAIN AREAS, CONFIDENCE IS MARKEDLY LOWER,
OR AT A 20 PERCENT PROBABILITY OR LOWER. ABOVE AVERAGE
TEMPERATURES WILL LAST UNTIL SUNDAY, WITH THE WARMEST LOCATIONS
TOPPING 80 DEGREES ACROSS THE REGION, BUT CONFINED GENERALLY TO
KERN COUNTY BY SUNDAY.
PRECIPITATION CHANCES BEGIN IN THE SIERRA NEVADA AND ADJACENT
FOOTHILLS SUNDAY EVENING AND LAST UNTIL MONDAY. SNOW LEVELS
REMAIN AT 7,000 TO 8,000 FEET DURING THIS PERIOD, WITH THE
HIGHER LEVELS TOWARDS SUNDAY NIGHT INTO MONDAY MORNING BEFORE
LOWERING BY THE AFTERNOON. PRECIPITATION AMOUNTS REMAIN AT 0.10
TO 0.25 INCH FOR AREAS FROM YOSEMITE TO FRESNO COUNTY AND LESS
THAN 0.10 INCH TO THE SOUTH. THERE IS A SLIGHT CHANCE FOR LIGHT
SNOW OVER THE SIERRA, MAINLY TOWARDS YOSEMITE, DURING WEDNESDAY
NIGHT INTO THURSDAY MORNING. OTHERWISE, EXPECT LITTLE OR NO
PRECIPITATION BEYOND EARLY NEXT WEEK ALONG WITH SEASONABLY COOL
TEMPERATURES.
LATEST CPC OUTLOOKS CONTINUE TO SHOW THE ODDS TILTED TOWARDS
ABOVE AVERAGE TEMPERATURES AND BELOW AVERAGE PRECIPITATION FOR
BOTH THE 6-10 AND 8-14 DAY PERIODS.
AVIATION
MOSTLY VFR TO MVFR CONDITIONS WITH AREAS OF IFR TO LIFR POPPING
UP AROUND 12Z THROUGH 18Z. THERE IS A 30-40% CHANCE FOR VALLEY
VLIFR CONDITIONS DOWN TO 1/4 MILE VISIBILITY IN FOG FROM 12Z-18Z
WITH CEILINGS DOWN TO 600 FEET. OTHERWISE, VFR CONDITIONS WILL
PREVAIL ACROSS THE CENTRAL CALIFORNIA INTERIOR FOR THE NEXT 24
HOURS.
AIR QUALITY ISSUES
ON SATURDAY FEBRUARY 28, 2026, FIREPLACE/WOOD STOVE BURNING
STATUS IS: NO BURNING UNLESS REGISTERED IN FRESNO AND KERN
COUNTIES. BURNING DISCOURAGED IN KINGS, MADERA, MERCED, AND
TULARE COUNTIES, AND KERN (GREATER FRAZIER PARK AREA) AND
SEQUOIA NATIONAL PARK AND FOREST.
CERTAINTY
THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS HIGH.
THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS MEDIUM.
CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT
WWW.WEATHER.GOV/HNX/CERTAINTY.HTML FOR ADDITIONAL INFORMATION
AND/OR TO PROVIDE FEEDBACK.
HNX WATCHES/WARNINGS/ADVISORIES
DENSE FOG ADVISORY UNTIL 10 AM PST THIS MORNING FOR CAZ305>307-
309>312-315-334.
PUBLIC...BSO
AVIATION....JPK
WEATHER.GOV/HANFORD
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page