235  
FNUS75 KGJT 112145  
FWSGJT  
 
SPOT FORECAST FOR FERRIS FIRE...USFS  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
345 PM MDT TUE AUG 11 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON AUGUST 11.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
NEARBY SHOWERS ON THE TERRAIN COULD PRODUCE OUTFLOW WINDS THIS EVENING,  
BUT WETTING RAINS ARE UNLIKELY. CRITICAL FIRE WEATHER CONDITIONS ARE  
NOT EXPECTED. WETTING RAIN CHANCES INCREASE ON WEDNESDAY WITH THE POTENTIAL  
FOR SOME STRONGER SHOWERS TO DEVELOP AND CREATE LOCAL FLASH FLOODING  
PROBLEMS. THIS THREAT WILL CONTINUE INTO THURSDAY DUE TO PERSISTENT  
MONSOONAL MOISTURE REMAINING ANCHORED OVER THE REGION.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF  
RAIN SHOWERS THROUGH THE NIGHT.  
CWR.................10 PERCENT.  
MIN TEMPERATURE.....59-64.  
MAX HUMIDITY........61-66 PERCENT.  
WIND (20 FT)........WEST WINDS 10-15 MPH SHIFTING TO THE SOUTHEAST  
OVERNIGHT AT 5-10 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......7500 FT AGL DECREASING TO 1300 FT AGL  
OVERNIGHT.  
CHANCE OF THUNDER...15 PERCENT.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS IN THE MORNING, THEN CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
CWR.................10 PERCENT.  
MAX TEMPERATURE.....84-89.  
MIN HUMIDITY........28-33 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH SHIFTING TO THE WEST IN THE  
AFTERNOON AT 10-20 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......5300 FT AGL INCREASING TO 8400 FT AGL IN THE  
AFTERNOON.  
CHANCE OF THUNDER...45 PERCENT.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF  
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN  
SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF  
THUNDERSTORMS OVERNIGHT.  
CWR.................30 PERCENT.  
MIN TEMPERATURE.....56-61.  
MAX HUMIDITY........78-83 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5-10 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS OVERNIGHT.  
MIXING HEIGHT.......3600 FT AGL DECREASING TO 800 FT AGL OVERNIGHT.  
CHANCE OF THUNDER...30 PERCENT.  
   
FORECAST DAYS 3 THROUGH 5
 
   
FRIDAY
 
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE  
MID 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 10-20 MPH.    
SATURDAY
 
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10-20 MPH.    
SUNDAY
 
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10-15 MPH.  
 

 
FORECASTER...LUCAS BOYER  
REQUESTED BY...JOE MULLER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618419.13/GJT  
.DELDT 08/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TREVOR_WILLIAMS@NPS.GOV,JMULLER@BLM.GOV  
 
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