FXUS65 KTWC 240810

AFDTWC



Area Forecast Discussion

National Weather Service Tucson AZ

109 AM MST Fri Oct 24 2025



.SYNOPSIS...Dry conditions will prevail through the end of next 

week. High temperatures will be below normal today, near normal over 

the weekend, warming to above normal by the middle of next week. 



&&



.DISCUSSION...The large scale picture has an upper low currently 

centered over southwestern Colorado continuing to track east into the 

southern Mississippi Valley by late this weekend. Weak shortwave 

ridging will take place behind this system this weekend across the 

desert southwest. Near zonal flow to start next week, with more 

significant ridging mid to late next week. Overall, very quiet 

weather the next 7 days.   



Highs today will be between 80-85 degrees from Tucson westward and 

in the mid to to upper 70s across the lower elevations of Santa 

Cruz, Cochise and Graham counties. High temperatures warm 2-5 

degrees in the Saturday through Monday time frame, and will be right 

around seasonal averages. High temperatures then warm to above 

normal levels mid to late next week, with high temperatures in the 

lower deserts from Tucson westward in the upper 80s to around 90 

degrees. 



&&



.AVIATION...Valid through 25/12Z. 

Clear skies/SKC conditions thru the forecast period. SFC wind less 

than 12 kts, favoring a WLY/NWLY direction during the afternoon and 

early evening hours and variable in direction at other times. 

Aviation discussion not updated for TAF amendments.



&&



.FIRE WEATHER...Dry conditions are expected the next 7 days. High 

temperatures will be 3-5 degrees below normal today, near normal 

over the weekend, warming to 3-6 degrees above normal mid to late 

next week. 20-foot winds will generally be 15 mph or less, with 

occasional gusts to 20-25 mph through at least the middle of next 

week. Minimum RH values will be in the 15-25 percent range (and 

higher values in the mountains) through Sunday, lowering to between 

10-18 percent much of next week. 



&&



.TWC WATCHES/WARNINGS/ADVISORIES...None.



&&



$$



Zell



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