250  
FNUS75 KGJT 122222  
FWSGJT  
 
SPOT FORECAST FOR SOUTH RIM FIRE...USFS  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
422 PM MDT TUE AUG 12 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 MDT ON AUGUST 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...FIRE WEATHER WATCH IN EFFECT FROM 11 AM TO 10 PM THURSDAY FOR  
DRY THUNDERSTORMS...  
...FIRE WEATHER WATCH IN EFFECT FROM 11 AM TO 10 PM FRIDAY FOR  
DRY THUNDERSTORMS...  
   
DISCUSSION
 
WARM AND DRY CONDITIONS CONTINUE THROUGH THE DAY TOMORROW,  
ALTHOUGH WINDS WILL REMAIN BELOW CRITICAL THRESHOLDS. CRITICAL FIRE  
WEATHER CONDITIONS ARE NOT ANTICIPATED TOMORROW. A PUSH OF MOISTURE ON  
THURSDAY AND FRIDAY WILL BRING THE CHANCE FOR WIDESPREAD DRY THUNDERSTORMS,  
BUT CHANCES OF WETTING RAIN REMAIN VERY LOW.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT). AREAS OF SMOKE.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....80-85.  
MIN HUMIDITY........9-14 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 4-8 MPH, GUSTS UP TO 20 MPH  
POSSIBLE.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......9600 FT AGL.  
TRANSPORT WINDS.....WEST 10 MPH.  
CHANCE OF THUNDER...0 PERCENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....53-58.  
MAX HUMIDITY........38-43 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 4-8 MPH SHIFTING TO THE SOUTHWEST  
BY 2100, THEN TO THE SOUTHEAST BY 2400. GUSTS UP  
TO 20 MPH UNTIL 2100, THEN GUSTS UP TO 15 MPH  
THROUGH THE NIGHT.  
SMOKE DISPERSAL.....GOOD DECREASING TO FAIR BY 1900, AND TO POOR  
(0 KNOT-FT) BY 2000.  
MIXING HEIGHT.......9100 FT AGL DECREASING TO 0 FT AGL BY 2000.  
TRANSPORT WINDS.....WEST 10 MPH SHIFTING TO THE SOUTHEAST  
OVERNIGHT.  
CHANCE OF THUNDER...0 PERCENT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT). AREAS OF SMOKE.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....83-88.  
MIN HUMIDITY........8-13 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 4-8 MPH SHIFTING TO THE SOUTHWEST  
BY 1000, AND SHIFTING TO THE NORTHWEST BY 1200.  
GUSTS UP TO 15 MPH BEFORE 1200, THEN GUSTS UP TO 20  
MPH.  
SMOKE DISPERSAL.....POOR (0-22000 KNOT-FT) INCREASING TO FAIR BY 1100,  
TO GOOD BY 1200, AND TO VERY GOOD BY 1500.  
MIXING HEIGHT.......0 FT AGL INCREASING TO 12600 FT AGL BY 1500.  
TRANSPORT WINDS.....SOUTH 10 MPH SHIFTING TO THE WEST IN THE  
AFTERNOON.  
CHANCE OF THUNDER...0 PERCENT.  
 

 
FORECASTER...BRIANNA BEALO  
REQUESTED BY...SHAWN FIX  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519605.3/GJT  
.DELDT 08/12/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SHAWN.FIX@USDA.GOV  
 
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