122  
FNUS75 KGJT 122224  
FWSGJT  
 
SPOT FORECAST FOR RAT MOUNTAIN...GRAND JUNCTION INTERAGENCY DISPATCH  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
424 PM MDT WED AUG 12 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 MDT ON AUGUST 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
MONSOONAL MOISTURE HAS MOVED INTO THE REGION TODAY, AND  
IS EXPECTED TO LINGER THROUGH THE REST OF THE WEEK. THIS WILL BRING  
DAILY CHANCES OF SHOWERS AND THUNDERSTORMS TO THE BURN LOCATION, WITH  
CHANCES PEAKING IN THE AFTERNOON. THESE STORMS WILL BE CAPABLE OF  
PRODUCING FREQUENT LIGHTNING, GUSTY WINDS, AND HEAVY RAIN. OUTSIDE OF  
THE INFLUENCE OF STORMS, TEMPERATURES WILL BE COOLER AND WINDS WILL BE  
LIGHT.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). RAIN SHOWERS  
LIKELY AND CHANCE OF THUNDERSTORMS UNTIL 2100,  
THEN CHANCE OF RAIN SHOWERS OVERNIGHT.  
CWR.................40 PERCENT.  
MIN TEMPERATURE.....50-55.  
MAX HUMIDITY........72-77 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 3-5 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.  
SMOKE DISPERSAL.....POOR (2000-12000 KNOT-FT).  
MIXING HEIGHT.......2000 FT AGL DECREASING TO 600 FT AGL BY 2100.  
TRANSPORT WINDS.....SOUTH 10 MPH.  
CHANCE OF THUNDER...40 PERCENT.  
   
THURSDAY  
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 0900, THEN CHANCE OF  
THUNDERSTORMS. RAIN SHOWERS LIKELY THROUGH THE  
DAY.  
CWR.................50 PERCENT.  
MAX TEMPERATURE.....67-72.  
MIN HUMIDITY........41-46 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 3-5 MPH BECOMING WEST WINDS 4-8  
MPH BY 1000. GUSTS TO AROUND 20 MPH POSSIBLE IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
SMOKE DISPERSAL.....POOR (3000-25000 KNOT-FT) INCREASING TO FAIR  
BY 1100. DECREASING BACK TO POOR  
(30000-35000 KNOT-FT) AFTER 1500.  
MIXING HEIGHT.......500 FT AGL INCREASING TO 4900 FT AGL BY 1300.  
TRANSPORT WINDS.....SOUTHWEST 12 MPH.  
CHANCE OF THUNDER...55 PERCENT.  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). RAIN SHOWERS  
LIKELY AND CHANCE OF THUNDERSTORMS UNTIL 2400,  
THEN CHANCE OF RAIN SHOWERS OVERNIGHT.  
CWR.................50 PERCENT.  
MIN TEMPERATURE.....50-55.  
MAX HUMIDITY........75-80 PERCENT.  
WIND (20 FT)........WEST WINDS 4-8 MPH BECOMING SOUTH WINDS 3-5 MPH  
BY 2300. GUSTS TO AROUND 20 MPH POSSIBLE UNTIL  
2000. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
SMOKE DISPERSAL.....POOR (2000-36000 KNOT-FT).  
MIXING HEIGHT.......3600 FT AGL DECREASING TO 600 FT AGL BY 2000.  
TRANSPORT WINDS.....SOUTHWEST 10 MPH.  
CHANCE OF THUNDER...40 PERCENT.  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE MORNING, THEN RAIN SHOWERS LIKELY AND  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
CWR.................45 PERCENT.  
MAX TEMPERATURE.....66-71.  
MIN HUMIDITY........39-44 PERCENT.  
WIND (20 FT)........SOUTH WINDS 3-5 MPH BECOMING WEST WINDS 4-8 MPH BY  
1200. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
SMOKE DISPERSAL.....POOR (2000-27000 KNOT-FT) INCREASING TO FAIR BY  
1100, AND TO GOOD BY 1400. DECREASING TO FAIR AFTER  
1500, AND TO POOR (22000-35000 KNOT-FT) BY 1700.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 5600 FT AGL BY 1400.  
TRANSPORT WINDS.....SOUTHWEST 12 MPH.  
CHANCE OF THUNDER...55 PERCENT.  
 
 
FORECASTER...BRIANNA BEALO  
REQUESTED BY...GRAND JUNCTION INTERAGENCY DISPATCH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619342.5/GJT  
.DELDT 08/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL COGJC@FIRENET.GOV,MICHAEL.DAVIDSON@USDA.GOV,ETHANESUNDER4@GMAIL.COM  
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