739
FXUS66 KHNX 070553
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
1053 PM PDT WED MAY 6 2026
KEY MESSAGES
1. WARMING TREND WEDNESDAY INTO THE WEEKEND WITH HIGH
CONFIDENCE OF AT LEAST MODERATE HEAT RISK IN THE VALLEY SUNDAY
THROUGH TUESDAY.
2. MODERATE CHANCE FOR HIGH HEAT RISK IN THE SAN JOAQUIN VALLEY
AREAS.
DISCUSSION
MOSTLY CLEAR CONDITIONS WILL PREVAIL INTO THE WEEKEND THANKS TO
THE RIDGE OF HIGH PRESSURE SLIDING IN AND STRENGTHENING. THIS
RIDGE ALSO BRINGS ABOVE AVERAGE TEMPERATURES WITH HEAT RISK
BECOMING AN ISSUE SUNDAY INTO NEXT WEEK. SUNDAY PRESENTS A 45 TO
75 PERCENT CHANCE OF AT LEAST A MODERATE HEAT RISK BEFORE
INCREASING TO 75 TO 95 PERCENT ON MONDAY AND TUESDAY. THE 90TH
PERCENTILE HIGH TEMPERATURES ON MONDAY IS BETWEEN 104 AND 107 IN
THE VALLEY AND 95 TO 100 IN THE FOOTHILLS.
HOWEVER, TEMPERATURES COOL DOWN SLIGHTLY ON TUESDAY AND
WEDNESDAY AS THE RIDGE WEAKENS AND MOVES EAST. ALSO, A TROUGH
BEGINS TO MOVE CLOSER TO CALIFORNIA ON WEDNESDAY. THE CPC GOES
FROM A 70 TO 80 PERCENT CHANCE OF ABOVE AVERAGE TEMPERATURES AND
DRY CONDITIONS IN THE 6-10 DAY OUTLOOK TO A 50 TO 60 PERCENT
CHANCE OF ABOVE AVERAGE TEMPERATURES AND A 33 TO 40 PERCENT
CHANCE OF ANY PRECIPITATION IN THE 8-14 DAY OUTLOOK.
AVIATION
VFR CONDITIONS WILL PREVAIL FOR THE NEXT 24 HOURS OVER CENTRAL
CALIFORNIA.
FIRE WEATHER
WARMING TEMPERATURES RISING ABOVE 100 DEGREES EARLY NEXT WEEK
WILL RESULT IN LOWERING RELATIVE HUMIDITIES ACROSS THE REGION.
FOR MONDAY AND TUESDAY, MINRHS IN THE MOJAVE DESERT ARE
EXPECTED TO FALL TO 5 TO 10 PERCENT, WITH VALLEY AND MOUNTAIN
RHS BETWEEN 15 AND 20 PERCENT. A DROP IN 100- AND 1000-HR FUEL
MOISTURE WILL FOLLOW, THOUGH WILL REMAIN ABOVE CRITICAL FIRE
WEATHER TERRITORY. ADDITIONALLY, SUBSIDENCE FROM THE HIGH
PRESSURE RIDGE WILL KEEP WINDS RELATIVELY LIGHT ACROSS THE
REGION.
AIR QUALITY ISSUES
NONE.
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
NONE.
JPK
WEATHER.GOV/HANFORD
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