981
FXUS66 KHNX 280422
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
922 PM PDT MON JUL 27 2026
KEY MESSAGES
1. HIGH PRESSURE OVER THE REGION WILL MAINTAIN TEMPERATURES
NEAR SEASON AVERAGES FOR THE REMAINDER OF CENTRAL CALIFORNIA ON
TUESDAY AND WEDNESDAY.
2. WARMING TREND BEGINS THURSDAY WITH MAJOR HEAT RISK BY FRIDAY
FOR THE MOJAVE SLOPES AND DESERT AND BY THE WEEKEND IN THE SAN
JOAQUIN VALLEY.
3. DRY CONDITIONS TO PREVAIL THROUGH THE WEEK AND WILL PRODUCE
ELEVATED FIRE WEATHER CONCERNS LATE THIS WEEK INTO EARLY NEXT
WEEK.
DISCUSSION
TODAY WAS ANOTHER SEASONABLY WARM DAY ACROSS MUCH OF THE REGION,
WITH HIGHS IN THE SAN JOAQUIN VALLEY IN THE UPPER 90S. MAXIMUM
TEMPERATURES IN THE DESERT WERE ONCE AGAIN INTO THE TRIPLE
DIGITS, OR AS HOT AS 107 DEGREES AT CHINA LAKE NAF. TUESDAY WILL
BE YET ANOTHER SIMILAR DAY ACROSS THE REGION WITH DRY CONDITIONS
PERSISTING, COURTESY OF A DRY SOUTHWEST FLOW OVER OUR FORECAST
AREA AND A BROAD RIDGE OF HIGH PRESSURE CENTERED OVER THE
ROCKIES AND HIGH PLAINS.
THE RIDGE WILL GRADUALLY RETROGRADE AS WE HEAD INTO MIDWEEK
WHILE STRENGTHENING. HIGHS WILL BE A TOUCH WARMER ON WEDNESDAY
AND RISING FURTHER ON THURSDAY AND THE END OF THE WEEK. HUMIDITY
WILL ALSO LOWER A BIT EACH DAY AS THE WEEK PROGRESSES.
TEMPERATURES IN THE SAN JOAQUIN VALLEY FROM FRIDAY UNTIL NEXT
MONDAY WILL HAVE A MODERATE TO HIGH CHANCE TO REACH AT LEAST 105
DEGREES, INCLUDING A 30-40 PERCENT CHANCE NORTH OF FRESNO
COUNTY AND 70-80 PERCENT FROM FRESNO COUNTY SOUTHWARD ON FRIDAY.
ALTHOUGH, THE PROBABILITIES OVER THE WEEKEND INTO NEXT MONDAY
RISE TO 45-55 PERCENT FOR LOCATIONS NORTH OF FRESNO COUNTY.
OVERALL, WE WILL SEE AT LEAST A FEW VERY HOT DAYS WITH MODERATE
TO MAJOR HEATRISK DEVELOPING. AS FOR THE KERN COUNTY DESERT,
HIGHS WILL RISE TO 110-115 DEGREES FOR THIS PERIOD, WITH A
85-95 PERCENT CHANCE OF A HIGH OF AT LEAST 110 DEGREES. WE ARE
ALSO LOOKING AT VERY WARM OVERNIGHT LOWS IN QUITE A FEW
LOCATIONS, INCLUDING THE DESERT, AS WELL AS THE LARGER
METROPOLITAN AREAS IN THE SJ VALLEY.
AVIATION
VFR CONDITIONS WILL PREVAIL FOR THE NEXT 24 HOURS.
FIRE WEATHER
HOTTER TEMPERATURES WILL ARRIVE LATE THIS WEEK AND PRODUCE
ELEVATED FIRE WEATHER CONDITIONS. MINIMUM HUMIDITY WILL LOWER
TO 5 TO 10 PERCENT IN THE KERN COUNTY DESERT THURSDAY UNTIL
EARLY NEXT WEEK WITH VALUES OF 10-20 PERCENT IN MOST OTHER
LOCATIONS. OVERNIGHT HUMIDITY RECOVERY WILL BE POOR TO MODERATE
AT BEST. WINDS WILL GENERALLY BE DIURNAL AND TERRAIN-DRIVEN,
ALTHOUGH THE TYPICAL PRONE LOCATIONS SUCH AS THE MOJAVE DESERT
SLOPES AND COASTAL RANGES WILL SEE GUSTS 25-30 MPH AT TIMES,
MAINLY AFTERNOONS AND EVENINGS. GUSTS NEAR THE LAKES WILL REACH
NEAR 25 MPH. IF ANY WILDFIRES OR GRASS FIRES DEVELOP, THEY WILL
HAVE THE POTENTIAL TO INTENSIFY AND SPREAD RAPIDLY.
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.
BSO
WEATHER.GOV/HANFORD
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