852  
FNUS75 KGJT 132222  
FWSGJT  
 
SPOT FORECAST FOR WATERS CANYON...BIA / NPS / USFS  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
422 PM MDT WED AUG 13 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT THURSDAY FOR  
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS...  
 
...FIRE WEATHER WATCH IN EFFECT FROM NOON TO 10 PM MDT FRIDAY FOR  
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS...  
   
DISCUSSION  
 
A MORE ACTIVE WEATHER PATTERN MOVES IN THURSDAY AHEAD OF A LOW  
PRESSURE SYSTEM. WITH THIS, DRY THUNDERSTORMS WILL BECOME THE  
GREATEST CONCERN FOR FIRE WEATHER, PROMPTING FIRE WEATHER  
HIGHLIGHTS ON THURSDAY AND FRIDAY. THUNDERSTORM POTENTIAL IS LOWER  
ON THURSDAY BEFORE RAMPING UP ON FRIDAY. STORMS MAY BE CAPABLE OF  
DEVELOPING IN THE MORNING AND LASTING THROUGH THE EARLY PORTIONS  
OF THE NIGHT.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF  
DRY THUNDERSTORMS IN THE AFTERNOON.  
CWR.................<10 PERCENT.  
MAX TEMPERATURE.....90-95.  
MIN HUMIDITY........7-12 PERCENT.  
WIND (20 FT)........EAST WINDS 3-7 MPH SHIFTING TO THE SOUTHWEST AT  
8-12 MPH WITH GUSTS TO 20 MPH BY 1400 MDT.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (31000 KNOT-FT) INCREASING TO VERY GOOD IN  
THE AFTERNOON.  
MIXING HEIGHT.......5100 FT AGL INCREASING TO 13700 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....EAST 8 MPH SHIFTING TO WEST 13 MPH IN THE  
AFTERNOON.  
CHANCE OF THUNDER...15 PERCENT.  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) OVERNIGHT.  
CWR.................<10 PERCENT.  
MIN TEMPERATURE.....59-64.  
MAX HUMIDITY........34-39 PERCENT.  
WIND (20 FT)........WEST WINDS 8-12 MPH WITH GUSTS TO 18 MPH IN  
THE EVENING SHIFTING TO THE NORTHEAST AT 4-8  
MPH OVERNIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
SMOKE DISPERSAL.....VERY GOOD DECREASING TO POOR (4000 KNOT-FT)  
OVERNIGHT.  
MIXING HEIGHT.......12700 FT AGL DECREASING TO 600 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST 10 MPH.  
CHANCE OF THUNDER...10 PERCENT.  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF  
SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
CWR.................20 PERCENT.  
MAX TEMPERATURE.....84-89.  
MIN HUMIDITY........15-20 PERCENT.  
WIND (20 FT)........NORTH WINDS 6-10 MPH IN THE MORNING SHIFTING TO  
THE WEST AT 9-14 MPH WITH GUSTS TO 20 MPH BY  
1400 MDT. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7000 FT AGL INCREASING TO 10500 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....WEST 15 MPH.  
CHANCE OF THUNDER...40 PERCENT.  
 
 
FORECASTER...BRAEDEN WINTERS  
REQUESTED BY...COUMA  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519505.6/GJT  
.DELDT 08/13/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JACOB.BIRDSELL@USDA.GOV,CLINT.MENDENHALL@USDA.GOV,FAITH_HEINSCH@FIRENET.GOV,JULIAN.REDBUFFALO@BIA.GOV,JOHN_CERVANTES@FIRENET.GOV  
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