368  
FNUS75 KGJT 051724  
FWSGJT  
 
SPOT FORECAST FOR HAY FIRE...NORTHERN COLORADO INTERAGENCY  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
1124 AM MDT THU JUN 5 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1200 MDT ON JUNE 05.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
SHOWERS AND THUNDERSTORMS HAVE ALREADY FORMED NEAR THE WILDFIRE.  
MAIN CONCERNS WILL BE LIGHTNING AND GUSTY OUTFLOW WINDS, SOME HAIL  
MAY ALSO FORM. HEAVY RAIN IS ALSO POSSIBLE UNDER AND NEAR THE  
STRONGER CELLS. CHANCES FOR CONVECTION WILL CONTINUE THROUGH THE  
EARLY EVENING HOURS. TOMORROW, MORE OF THE SAME WITH LATE  
MORNING/EARLY AFTERNOON SHOWERS AND THUNDERSTORMS FIRING ONCE  
AGAIN.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CWR.................30 PERCENT.  
MAX TEMPERATURE.....67-72.  
MIN HUMIDITY........32-37 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7000 FT AGL.  
TRANSPORT WINDS.....WEST 15 MPH.  
CHANCE OF THUNDER...40 PERCENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN  
SLIGHT CHANCE OF RAIN SHOWERS OVERNIGHT.  
CWR.................20 PERCENT.  
MIN TEMPERATURE.....42-47.  
MAX HUMIDITY........85-90 PERCENT.  
WIND (20 FT)........SOUTH WINDS 10 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.  
SMOKE DISPERSAL.....FAIR DECREASING TO POOR (7000 KNOT-FT)  
OVERNIGHT.  
MIXING HEIGHT.......4600 FT AGL DECREASING TO 600 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTH 14 MPH.  
CHANCE OF THUNDER...30 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY IN THE AFTERNOON.  
CWR.................50 PERCENT.  
MAX TEMPERATURE.....67-72.  
MIN HUMIDITY........30-35 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 MPH INCREASING TO 15 MPH IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 13 MPH.  
CHANCE OF THUNDER...55 PERCENT.  
 

 
FORECASTER...TOM RENWICK  
REQUESTED BY...BRANDY HILL  
TYPE OF REQUEST...WILDFIRE  
.TAG 2515408.0/GJT  
.DELDT 06/05/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CONCC@FIRENET.GOV  
 
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