046  
FXUS65 KFGZ 101131  
AFDFGZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
431 AM MST WED SEP 10 2025  
   
SYNOPSIS
 
COOLER TEMPERATURES AND BREEZY CONDITIONS EXPECTED  
THROUGH FRIDAY, WITH CHANCES FOR SHOWERS AND THUNDERSTORMS. DRY  
CONDITIONS RETURN FOR THIS WEEKEND.  
 

 
   
DISCUSSION
 
A TROUGH LOCATED OVER THE GREAT BASIN WILL PUSH  
SOUTHWARD AND CROSS THROUGH THE STATE TOWARDS THE END OF THE WEEK.  
 
THE TROUGH DIGS SOUTHWARD AND WITH A HIGH RESIDING OFF TO OUR EAST,  
THE PRESSURE GRADIENT WILL TIGHTEN UP APPRECIABLY, BRINGING STRONG  
SOUTH TO SOUTHWEST WINDS TO THE REGION. EXPECT WINDS AROUND 15-25  
MPH WITH GUSTS 35-45 MPH TODAY, DECREASING SLIGHTLY ON THURSDAY.  
A WIND ADVISORY REMAINS IN EFFECT THROUGH 7PM THIS EVENING FOR  
MUCH OF THE AREA.  
 
MOISTURE WILL START TO INCREASE IN THE DEVELOPING SOUTHERLY FLOW.  
HOWEVER, THE BEST MOISTURE ADVECTION WILL BE INTO EASTERN ARIZONA,  
WITH MUCH OF THE SHOWER AND STORM DEVELOPMENT EAST OF PAGE TO PAYSON  
LINE. THE MOISTURE HANGS AROUND THROUGH FRIDAY BEFORE THE TROUGH  
PUSHES TO THE EAST, DRAGGING ANY LINGERING CHANCES OF PRECIPITATION  
WITH IT. BEST CHANCES WILL GENERALLY BE ACROSS THE EASTERN HALF OF  
THE FORECAST AREA.  
 
AS THE TROUGH EXITS TO THE EAST AT THE END OF THE WEEK, WE SEE A  
MORE WESTERLY FLOW ARRIVE AND WITH THAT WE DRY OUT AND SHOULD SEE  
TEMPERATURES START TO WARM SLIGHTLY.  
 

 
   
AVIATION...WEDNESDAY 10/12Z THROUGH THURSDAY 11/12Z
 
MAINLY VFR  
CONDITIONS. ISO -SHRA/-TSRA POSSIBLE IN VICINITY OF KJTC AND  
0V7/E91 AFTER 18Z. LIGHT AND VARIABLE WINDS, BECOMING S-SW WINDS  
15-25 KTS WITH GUSTS 30-40 KTS AFTER 15Z. WINDS REMAINING ELEVATED  
DOWNWIND OF THE TERRAIN OVERNIGHT.  
 
OUTLOOK...THURSDAY 11/12Z THROUGH SATURDAY 13/12Z...MAINLY VFR  
CONDITIONS. ISO -SHRA/-TSRA POSSIBLE OVER MUCH OF THE HIGHER  
TERRAIN ON THURSDAY AND FRIDAY. DAYTIME S-SW WINDS 10-25 KTS WITH  
GUSTS 30-35 KTS ON THURSDAY, THEN 10-20 KTS WITH GUSTS TO 30 KTS  
ON FRIDAY. WINDS REMAINING ELEVATED DOWNWIND OF THE TERRAIN  
OVERNIGHT.  
 

 
   
FIRE WEATHER...TODAY AND THURSDAY
 
TURNING COOLER WITH CHANCES FOR  
SHOWERS AND THUNDERSTORMS EACH DAY, MAINLY ACROSS EASTERN ARIZONA.  
SOUTH TO SOUTHWEST WINDS 15-25 MPH EACH DAY. GUSTS 35-45 MPH TODAY,  
DECREASING TO 30-40 MPH ON THURSDAY. MINIMUM RH 15-30% EACH  
AFTERNOON.  
 
FRIDAY THROUGH SUNDAY...COOL TEMPERATURES WITH CHANCES FOR SHOWERS  
AND THUNDERSTORMS ON FRIDAY, MAINLY ACROSS EASTERN ARIZONA. MOSTLY  
DRY CONDITIONS EXPECTED OVER THE WEEKEND. SOUTHWEST WINDS 5-15 MPH  
EACH DAY. MINIMUM RH 15-30% ON FRIDAY, DROPPING TO 10-20% OVER THE  
WEEKEND.  
 

 
   
FGZ WATCHES/WARNINGS/ADVISORIES
 
 
WIND ADVISORY FROM 10 AM MST /11 AM MDT/ THIS MORNING TO 7 PM  
MST /8 PM MDT/ THIS EVENING FOR AZZ004-006>009-012-013-015-016-  
039-040.  
 

 
 

 
 
PUBLIC...MEOLA  
AVIATION...MEOLA  
FIRE WEATHER...MEOLA  
 
FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT  
WEATHER.GOV/FLAGSTAFF  
 
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