320
FXUS66 KHNX 150914
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
214 AM PDT MON JUN 15 2026
KEY MESSAGES
1. HEAT ADVISORY REMAINS IN EFFECT FOR THE MAJORITY OF THE AREA
UNTIL 11 PM TUESDAY.
2. WIDESPREAD MODERATE HEAT RISK, INCLUDING TRIPLE-DIGIT HEAT,
IN THE LOWER ELEVATIONS THROUGH WEDNESDAY.
3. HOT AND DRY CONDITIONS WILL CREATE ELEVATED FIRE RISK IN
EASTERN KERN AND TULARE COUNTIES FOR THE NEXT FEW DAYS.
4, CHANCE FOR THUNDERSTORMS IN THE SIERRA NEVADA THE NEXT FEW
DAYS, WHICH MAY INCLUDE DRY LIGHTNING.
5. PRACTICE SAFETY AROUND LAKES, RIVERS, AND STREAMS, AS WATER
IS STILL RUNNING COLD.
DISCUSSION
A HIGH PROBABILITY (70-80 PERCENT CHANCE) OF TRIPLE DIGIT HEAT
REMAINS TODAY AND AGAIN TUESDAY THROUGHOUT THE SOUTHERN CENTRAL
VALLEY, MAINLY SOUTH OF FRESNO. LOWER CHANCES REMAIN FOR FRESNO
NORTHWARD (20-30 PERCENT) TODAY AND RISE TO 40-50 PERCENT
TUESDAY. THUS, THE HEAT ADVISORY WILL REMAIN IN EFFECT UNTIL
TOMORROW EVENING. A SLIGHT (10-15 PERCENT) CHANCE FOR ISOLATED
THUNDERSTORMS EXISTS FOR THIS AFTERNOON ALONG THE SIERRA NEVADA
CREST AND LOWERS ON TUESDAY TO LESS THAN 10 PERCENT. THE THREAT
FOR GRASS AND BRUSH FIRES CONTINUES IN THESE AREAS, AS WELL AS
THE MOJAVE DESERT IN EASTERN KERN COUNTY DUE TO LOW DAYTIME
RELATIVE HUMIDITY THAT COINCIDES WITH THE HOTTEST TIME OF THE
DAY. TRIPLE DIGITS WILL ALSO PREVAIL THROUGHOUT THE DESERT.
MODERATE HEAT RISK IS SHOWN FOR MUCH OF THE LOWER ELEVATIONS IN
OUR FORECAST AREA THROUGH WEDNESDAY. OVERNIGHT LOWS REMAIN
RELATIVELY COOL, ALTHOUGH LOWS WILL BE IN THE 70S IN THE WARMEST
LOCATIONS, INCLUDING LARGER METRO AREAS AND IN THE DESERT.
A COOLING TREND BEGINS LATE IN THE WEEK, AND NEAR SEASONAL
TEMPERATURES WILL BE IN STORE FRIDAY AND SATURDAY. A MINOR
WARMING TREND RETURNS TO OUR AREA SUNDAY INTO NEXT MONDAY. THE
WARMEST LOCATIONS WILL MAINLY OBSERVE HIGH TEMPERATURES IN THE
90S DURING FRIDAY INTO EARLY NEXT WEEK, ALTHOUGH TRIPLE DIGITS
CREEP BACK INTO THE DESERT BY NEXT MONDAY. OVERALL, A DRY
PATTERN, EXCEPT FOR ISOLATED AFTERNOON THUNDERSTORMS ALONG THE
SIERRA NEVADA CREST.
AVIATION
VFR CONDITIONS EXPECTED IN THE SAN JOAQUIN VALLEY FOR THE NEXT
24 HOURS. ANY THUNDERSTORMS THAT FORM OVER THE SIERRA CREST THIS
AFTERNOON MAY INCLUDE STRONG WINDS, RAIN, SMALL HAIL,
LIGHTNING, AND TURBULENCE.
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 HIGH.
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
HEAT ADVISORY UNTIL 11 PM PDT TUESDAY FOR CAZ300>321-332.
BSO
WEATHER.GOV/HANFORD
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