928  
FNUS75 KPUB 170805  
FWSPUB  
 
SPOT FORECAST FOR WILLOW...US FOREST SERVICE  
NATIONAL WEATHER SERVICE PUEBLO CO  
205 AM MDT THU SEP 17 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0744 MDT ON SEPTEMBER 17.  
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  
 
FOR THE AREA OF INTEREST, SCATTERED TO NUMEROUS SHOWERS AND  
STORMS ARE EXPECTED TODAY AND THROUGH TOMORROW. WITH A RICH SURGE  
OF MONSOONAL MOISTURE STILL IN PLACE, SHOWERS AND STORMS MAY BE  
ONGOING CONSISTENTLY AROUND THE BURN AREA, WITH THE GREATEST  
COVERAGE THIS AFTERNOON AND AGAIN TOMORROW AFTERNOON. GREATEST  
HAZARDS FROM ANY STORMS WILL BE HEAVY RAINFALL AND FLASH FLOODING,  
GUSTY OUTFLOW WINDS TO AROUND 35 MPH, AND LIGHTNING. WINDS WILL  
MAINTAIN AN OVERALL SOUTHERLY COMPONENT THROUGH TODAY, WITH  
SUSTAINED WINDS AROUND 8-11 MPH, AND OCCASIONAL WIND GUSTS UP TO  
20 MPH. WINDS LESSEN TONIGHT, AND BECOME MORE LIGHT AND VARIABLE,  
WITH WINDS AROUND 6-7 MPH. WINDS THEN TAKE ON A MORE WESTERLY  
COMPONENT TOMORROW, WITH SUSTAINED WINDS AGAIN AROUND 8-11 MPH,  
WITH THE OCCASIONAL GUSTS UP TO 20 MPH. HUMIDITY VALUES WILL  
FOLLOW A TYPICAL DIURNAL TREND, WITH LOWEST VALUES DURING THE  
AFTERNOONS, AND HIGHEST VALUES OVERNIGHT. VALUES THIS AFTERNOON  
WILL FALL TO AROUND 75-77 PERCENT, INCREASE TO AROUND 90-92  
PERCENT TONIGHT, AND THEN FALL TO AROUND 55-57 PERCENT FRIDAY  
AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE  
OF THUNDERSTORMS UNTIL 1200, THEN RAIN SHOWERS  
AND CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....50-55F.  
MIN HUMIDITY........74-79 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 12 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS AFTER 0900.  
MIXING HEIGHT.......2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 16 MPH UNTIL 1700, THEN AROUND  
14 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1600, THEN  
POOR.  
 
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........90 87 85 85 86 87 87 88 89 88 88  
WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY DEF DEF LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC CHC  
TEMP............45 46 45 46 46 48 48 49 50 50 52  
RH..............88 87 94 92 92 87 86 84 82 78 74  
20 FT WIND DIR..S S S S S SW SW SW SW SW SW  
20 FT WIND SPD..12 12 12 12 12 12 12 12 10 10 10  
20 FT WIND GUST.17 17 17 17 17 17 17 17 16 16 16  
EYE LVL WND DIR.S S S S S SW SW SW SW SW SW  
EYE LVL WND SPD.7 7 7 7 7 7 7 7 6 6 6  
EYE LVL WND GST.10 10 10 10 10 10 10 10 10 10 10  
MIX HGT (KFT)...0.5 1.0 1.5 2.0 2.5 2.5 3.0 3.0 3.0 2.5 2.0  
TRANSP WIND DIR.S S S S S S SW SW SW SW SW  
TRANSP WIND SPD.13 14 17 17 18 17 18 20 17 15 14  
SDSPL KT-FT/10007 10 26 33 39 41 49 52 43 32 24  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 0100,  
THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0500.  
MIN TEMPERATURE.....42F.  
MAX HUMIDITY........89-94 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 8 MPH UNTIL 2100, THEN  
LIGHT AROUND 7 MPH UNTIL 2400, THEN WEST AROUND 8 MPH.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS UNTIL 2100.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 9 MPH.  
SMOKE DISPERSAL.....POOR.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........87 85 83 81 80 79 78 75 72 70 71 72  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH  
TEMP............49 48 47 46 46 45 45 45 45 44 44 44  
RH..............80 83 84 86 86 87 84 83 82 83 81 82  
20 FT WIND DIR..SW SW SW W W W W W W W W W  
20 FT WIND SPD..8 8 8 7 7 7 8 8 8 8 8 8  
20 FT WIND GUST.13 13 13 10 10 10 12 12 12 12 12 12  
EYE LVL WND DIR.SW SW SW W W W W W W W W W  
EYE LVL WND SPD.5 5 5 4 4 4 5 5 5 5 5 5  
EYE LVL WND GST.8 8 8 6 6 6 7 7 7 7 7 7  
MIX HGT (KFT)...2.0 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.W SW W W W SW SW SW SW W W W  
TRANSP WIND SPD.13 9 7 7 8 9 9 9 9 9 9 10  
SDSPL KT-FT/100021 8 4 5 4 5 5 5 5 6 6 6  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL  
1200, THEN RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS.  
MAX TEMPERATURE.....54-59F.  
MIN HUMIDITY........53-58 PERCENT.  
WIND (20 FT)........WEST WINDS AROUND 10 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS AFTER 1200.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 5500 FT AGL UNTIL  
1600, THEN 3500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1600, THEN  
POOR.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........72 72 72 72 74 77 79 78 78 78 77 76  
WEATHER COV.....CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC CHC CHC  
TEMP............42 42 44 45 46 49 52 52 52 54 53 54  
RH..............88 88 90 91 86 78 72 67 64 59 58 54  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..8 8 8 8 8 8 10 10 10 10 10 10  
20 FT WIND GUST.14 14 14 14 14 14 17 17 17 18 18 18  
EYE LVL WND DIR.W W W W W W W W W W W W  
EYE LVL WND SPD.5 5 5 5 5 5 6 6 6 6 6 6  
EYE LVL WND GST.8 8 8 8 8 8 10 10 10 11 11 11  
MIX HGT (KFT)...0.5 0.5 0.5 1.5 3.0 4.0 5.0 5.5 4.5 5.5 3.5 3.5  
TRANSP WIND DIR.W W W W W W W SW W W W W  
TRANSP WIND SPD.10 10 9 10 12 12 13 10 10 12 12 10  
SDSPL KT-FT/10006 6 5 13 28 39 62 47 44 54 36 32  
 
 
FORECASTER...SIMCOE  
REQUESTED BY...ANDREW DUZET  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621924.2/PUB  
.DELDT 09/17/26  
.FORMATTERVERSION 2.0.0  
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