357  
FXUS65 KTWC 062019  
AFDTWC  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TUCSON AZ  
118 PM MST SAT DEC 6 2025  
   
SYNOPSIS
 
HIGH PRESSURE SHIFTS INTO THE REGION THIS  
WEEKEND, STRENGTHENING THROUGH NEXT WEEK. THIS WILL RESULT IN DRY  
CONDITIONS AND HIGH TEMPERATURES WARMING TO ABOVE SEASONABLE  
LEVELS TOMORROW THROUGH NEXT WEEK.  
 

 
   
DISCUSSION
 
A VERY BENIGN WEATHER PATTERN THROUGH THE FORECAST  
PERIOD FOR OUR FORECAST AREA. IN THE NEAR TERM, NORTHWESTERLY FLOW  
ALOFT CONTINUES THIS WEEKEND AS RIDGING STARTS BUILDING INTO THE  
AREA FROM THE WEST. OVER THE COURSE OF THE UPCOMING WEEK, THE  
RIDGING ALONG WITH INCREASED HEIGHTS WILL BE SHIFTING EASTWARD. THIS  
WILL RESULT IN WARMING TEMPERATURES, WITH HIGHS BY MID TO LATE WEEK  
INCREASING TO ABOUT 10 TO 15 DEGREES BELOW NORMAL. SOME RECORD HIGH  
TEMPERATURES WILL BE IN JEOPARDY AT THE END OF THE WEEK INTO NEXT  
WEEKEND. NO PRECIPITATION IN SIGHT FOR THE NEXT 10 DAYS.  
 

 
   
AVIATION
 
VALID THROUGH 08/00Z.  
SKC. SFC WINDS WLY/NWLY THIS AFTERNOON AT 8-12 KTS AND AGAIN AFT  
087/18Z SUNDAY. OTHERWISE SFC WINDS VRBL AND TERRAIN DRIVEN LESS  
THAN 8 KTS FROM 07/03Z-07/18Z. AVIATION DISCUSSION NOT UPDATED FOR  
TAF AMENDMENTS.  
 

 
   
FIRE WEATHER
 
DRY CONDITIONS ARE EXPECTED THE NEXT 7 DAYS. A  
WARMING TAKES SHAPE THIS WEEKEND WHERE HIGHS WILL RUN UP TO 5  
DEGREES ABOVE NORMAL. MUCH WARMER NEXT WEEK WHERE HIGHS WILL BE 8 TO  
12 DEGREES ABOVE NORMAL. 20-FOOT WINDS WILL GENERALLY BE 15 MPH OR  
LESS AND TERRAIN DRIVEN THROUGH THE MIDDLE OF NEXT WEEK. MINIMUM RH  
VALUES IN THE VALLEYS 16-26 PERCENT THIS WEEKEND AND THROUGH THE  
MIDDLE OF NEXT WEEK.  
 

 
   
TWC WATCHES/WARNINGS/ADVISORIES
 
NONE.  
 

 
 

 
 
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