826  
FXUS66 KHNX 151657  
AFDHNX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HANFORD CA  
957 AM PDT SAT AUG 15 2026  
 
   
KEY MESSAGES
 
 
1. TEMPERATURES WILL REMAIN NEAR SEASON AVERAGES THROUGH NEXT  
WEEK.  
 
2. BREEZY CONDITIONS OVER TYPICAL WIND-PRONE AREAS INCLUDING  
SAN LUIS RESERVOIR, LAKE ISABELLA AND THE MOJAVE DESERT SLOPES  
THROUGH NEXT WEEK.  
 

 
   
DISCUSSION
 
 
A WARMING TREND TAKES PLACE THIS WEEKEND, BUT WITH MAINLY  
SEASONAL TEMPERATURES. YESTERDAY'S HIGHS WERE FROM AROUND 5 TO  
10 DEGREES BELOW AVERAGE, WITH THE WARMEST VALLEY LOCATIONS IN  
THE LOWER 90S WHILE LOCATIONS IN THE MOJAVE DESERT ROSE TO THE  
MID TO UPPER 90S. A SLIGHT WARMING TREND IS IN STORE FOR THE  
DESERT WITH A FEW LOCATIONS RETURNING TO THE CENTURY MARK TODAY  
AND SUNDAY. THE CHANCES OF A TRIPLE DIGIT READING IN THIS  
PARTICULAR AREA ARE AT 25-35 PERCENT TODAY AND 50-60 PERCENT  
SUNDAY. BREEZY CONDITIONS WILL DEVELOP AGAIN THIS AFTERNOON AND  
EVENING IN THE PRONE AREAS TOWARDS THE PASSES IN THE HIGHER  
TERRAIN ADJACENT TO THE WEST SIDE OF THE SAN JOAQUIN VALLEY,  
LAKE ISABELLA, AND ALONG THE MOJAVE DESERT SLOPES BUT WITH GUSTS  
GENERALLY BELOW ADVISORY LEVELS. DRY CONDITIONS WILL OTHERWISE  
PREVAIL FOR THE NEXT 5-6 DAYS.  
 
BY NEXT WEEK, TEMPERATURES WILL WARM SLIGHTLY WITH HIGHS IN THE  
UPPER 90S BY THE MIDDLE OF THE WEEK IN THE SAN JOAQUIN VALLEY.  
ALTHOUGH, THERE IS A CHANCE OF TRIPLE DIGITS (30-40 PERCENT) IN  
MANY VALLEY LOCATIONS, MAINLY FRESNO SOUTHWARD FROM WEDNESDAY  
THROUGH FRIDAY. HIGHS WILL ALSO BE IN THE TRIPLE DIGITS IN THE  
MOJAVE DESERT; PROBABILITIES ARE GENERALLY 70-80 PERCENT FOR  
MONDAY UNTIL NEXT SATURDAY. THERE WILL BE A LOWERING TREND IN  
HUMIDITY WITH THE WARMUP THROUGH LATE NEXT WEEK, WITH MINIMUM  
VALUES LOWERING TO THE TEENS IN THE SAN JOAQUIN VALLEY AND NEAR  
10 PERCENT IN THE MOJAVE DESERT BY THE MIDDLE OF THE WEEK. THE  
RIDGE OF HIGH PRESSURE STRENGTHENS WITH ITS CENTER RETURNING TO  
THE FOUR CORNERS REGION, AND A SLIGHT CHANCE OF THUNDERSTORMS  
RETURNS TO THE SIERRA NEVADA CREST BY FRIDAY AND NEXT SATURDAY.  
 

 
   
AVIATION
 
 
VFR CONDITIONS WILL PREVAIL FOR THE NEXT 24 HOURS.  
 

 
   
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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