918  
FNUS75 KPUB 061701  
FWSPUB  
 
SPOT FORECAST FOR ROCK PILE FIRE...BONCARBO FIRE DEPT  
NATIONAL WEATHER SERVICE PUEBLO CO  
1101 AM MDT SUN SEP 6 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1100 MDT ON SEPTEMBER 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (719) 948-9429, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
WINDS WILL BECOME SOUTHERLY AND INCREASE THROUGH THE DAY TODAY,  
WITH SUSTAINED WINDS INCREASING TO AROUND 10-15 MPH, AND GUSTS UP  
TO 20 MPH BY LATE AFTERNOON. WINDS WILL TRANSITION TO BECOME MORE  
SOUTHWESTERLY OVERNIGHT AND REMAIN WINDY, WITH SUSTAINED WINDS  
MAINTAINING AROUND 10-15, AND WINDS GUSTS UP TO 30 MPH POSSIBLE.  
THE STRONGEST WINDS WILL BE THIS EVENING AND INTO THE EARLY  
OVERNIGHT HOURS, WITH WINDS RELAXING HEADING INTO TOMORROW  
MORNING. DRY CONDITIONS ARE EXPECTED TO PREVAIL THROUGH TODAY AND  
TONIGHT, THOUGH AN ISOLATED SHOWER OR THUNDERSTORM CAN NOT BE  
RULED OUT. MAIN CONCERNS FROM THESE WOULD BE GUSTY AND ERRATIC  
OUTFLOW WINDS AND FREQUENT LIGHTNING. HUMIDITY VALUES WILL FOLLOW  
A TYPICAL DIURNAL TREND, BOTTOMING OUT AT AROUND 25% TODAY, AND  
RECOVERING BACK UP TO AROUND 70% TONIGHT.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY(41 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 1300.  
MAX TEMPERATURE.....83F.  
MIN HUMIDITY........21-26 PERCENT.  
WIND (20 FT)........LIGHT AROUND 7 MPH UNTIL 1500, THEN SOUTH AROUND 10 MPH.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS AFTER 1300.  
MIXING HEIGHT.......6000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 12 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200. GOOD AFTER 1300.  
 
TIME (MDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........15 30 45 55 65 67 68  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
TEMP............77 80 83 83 83 82 79  
RH..............31 28 27 27 26 28 32  
20 FT WIND DIR..E SE SE SE S S S  
20 FT WIND SPD..2 7 7 7 10 10 10  
20 FT WIND GUST.7 9 9 9 17 17 17  
EYE LVL WND DIR.E SE SE SE S S S  
EYE LVL WND SPD.1 4 4 4 6 6 6  
EYE LVL WND GST.4 5 5 5 10 10 10  
MIX HGT (KFT)...5.0 7.0 8.5 9.0 7.5 5.5 5.0  
TRANSP WIND DIR.SE S S S S S S  
TRANSP WIND SPD.6 7 9 10 13 13 14  
SDSPL KT-FT/100025 43 68 82 83 63 60  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY(64 PERCENT) UNTIL 2000, THEN  
PARTLY CLOUDY(39 PERCENT).  
MIN TEMPERATURE.....58F.  
MAX HUMIDITY........67-72 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 13 MPH.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 17 MPH.  
SMOKE DISPERSAL.....POOR.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........70 58 47 35 34 32 31 31 32 32 36 40  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............77 73 71 69 66 65 64 64 63 62 60 59  
RH..............37 43 47 51 56 58 63 60 60 62 67 69  
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..13 13 13 13 13 13 12 12 12 10 10 10  
20 FT WIND GUST.29 29 29 29 29 29 26 26 26 23 23 23  
EYE LVL WND DIR.S S S SW SW SW SW SW SW SW SW SW  
EYE LVL WND SPD.8 8 8 8 8 8 7 7 7 6 6 6  
EYE LVL WND GST.17 17 17 17 17 17 16 16 16 14 14 14  
MIX HGT (KFT)...2.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.S S S S SW S S S S S S SW  
TRANSP WIND SPD.16 17 17 17 20 21 21 20 20 18 17 16  
SDSPL KT-FT/100034 19 9 10 10 10 10 10 10 9 8 8  
 

 
FORECASTER...SIMCOE  
REQUESTED BY...DARREN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621325.0/PUB  
.DELDT 09/06/26  
.FORMATTERVERSION 2.0.0  
 
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