466  
FXUS66 KHNX 151102  
AFDHNX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HANFORD CA  
402 AM PDT TUE SEP 15 2026  
   
UPDATE  
 
UPDATED AVIATION SECTION.  
 
 
   
KEY MESSAGES  
 
1. MINOR HEAT RISK OVER THIS WEEK. TEMPERATURES WARM TODAY AND  
TUESDAY BEFORE ANOTHER COOLDOWN MIDWEEK.  
 
2. TEMPERATURES WARM UP A BIT THIS COMING WEEKEND.  
 
3. DRY CONDITIONS WILL REMAIN FOR THE NEXT WEEK.  
 
 
   
DISCUSSION  
 
TODAY WAS YET ANOTHER BEAUTIFUL DAY. THE KIND OF DAY WHERE THE  
WINDOWS CAN GET LEFT OPEN ALMOST ALL DAY AND EVERYONE WILL BE  
HAPPY. THIS FORECASTER CERTAINLY WAS. WHAT'S EXCITING IS THAT  
TUESDAY LOOKS TO BE ANOTHER REPEAT OF TODAY. MAXIMUM  
TEMPERATURES ARE RIGHT ABOUT NORMAL, WHICH IS TO SAY THE LOW  
90S. IN FACT, THE CENTRAL VALLEY HAS A 40-50% CHANCE OF  
TEMPERATURES EXCEEDING 93 DEGREES. TEMPERATURES ARE NOT EXPECTED  
TO EXCEED 94 DEGREES, AS THE PROBABILITY DROPS TO 20-40%,  
MAINLY FOLLOWING ALONG THE I-5. DARE I SAY, THIS WILL BE PERFECT  
WEATHER TO ENJOY A COFFEE ON THE PATIO.  
 
COME THE MIDDLE OF THE WEEK, THE CWA WILL SEE TEMPERATURES FALL  
BELOW NORMAL BY A FEW DEGREES. WE'RE BACK TO THE 80S! THERE'S  
GOOD AGREEMENT WITH THE ENSEMBLE MODELS THAT A TROUGH WILL BE  
DIPPING INTO NORTHERN CALIFORNIA. THIS'LL BRING TEMPERATURES  
DOWN AND TO THE MID TO HIGH 80S, WHICH IS ABOUT 5 DEGREES BELOW  
NORMAL. THE COOLEST DAY THIS WEEK IS ON TRACK TO BE THURSDAY, AS  
THERE IS ONLY A 10-15% FOR THE CENTRAL VALLEY TO GREATER THAN 90  
DEGREES. AS THE TROUGH MOVES IN, IT WILL BRING SOME ISOLATED GUSTY  
(UP 35 MPH) CONDITIONS TOWARDS THE NORTHERN PORTION OF THE CWA.  
AS SUCH, A LAKE WIND ADVISORY WILL BE IN EFFECT WEDNESDAY  
EVENING INTO THURSDAY NIGHT. THE USUAL PROBLEM SPOTS TOO, WILL  
BE GUSTY, BUT NOT EXCEEDING ADVISORY LEVELS.  
 
TO ROUND OUT THIS WEEK, THE SLIGHTEST BIT OF RIDGING IS  
EXPECTED. THE WEEKEND WILL BE A BIT WARMER, BUT NOTHING TOO HOT  
FOR THE THE END OF SEPTEMBER. SATURDAY, TEMPERATURES WILL STAY  
BELOW 95 DEGREES, AS THERE'S A 10-20% CHANCE FOR THE VALLEY TO  
EXCEED THAT THRESHOLD, SAVE FOR A FEW SPOTS ALONG THE I-5 AND UP  
NEAR LOS BANOS/SAN LUIS RESERVOIR. SUNDAY, HOWEVER, LOOKS TO BE  
THE WARMEST DAY. THERE'S A 40-50% CHANCE FOR TEMPERATURES TO  
EXCEED 95 DEGREES ON SUNDAY. EVEN THOUGH THAT'S A BIT WARMER  
THAN THE LOW 90S, THE CLIMATE PREDICTION CENTER HAS MOST OF  
CALIFORNIA IN A NEAR NORMAL FOR TEMPERATURES IN THEIR 6-10 DAY  
OUTLOOK AND AGAIN IN THEIR 8-10 DAY OUTLOOK.  
 
 
 
   
AVIATION  
 
VFR CONDITIONS PREVAILING 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  
 
LAKE WIND ADVISORY FROM 5 PM THIS AFTERNOON TO MIDNIGHT PDT  
TONIGHT FOR CAZ300.  
 
 
 
 
PUBLIC...BB  
AVIATION....EW  
 
WEATHER.GOV/HANFORD  
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