472  
FNUS75 KPUB 152125  
FWSPUB  
 
SPOT FORECAST FOR 51.5 FIRE...WALSH FIRE  
NATIONAL WEATHER SERVICE PUEBLO CO  
325 PM MDT FRI MAY 15 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 MDT ON MAY 15.  
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.  
   
..RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY  
 
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH  
SUNDAY EVENING...  
   
DISCUSSION  
 
DRY THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH 10 PM THIS EVENING  
AT THE BURN SITE. VERY LITTLE PRECIPITATION WILL FALL FROM PASSING  
STORMS AND NEW FIRE STARTS COULD OCCUR. WHILE THE PROBABILITY OF  
THUNDERSTORMS IS LOW (10-15%), THE FIRE RISK WILL REMAIN ELEVATED.  
IN ADDITION TO THE LIGHTNING POTENTIAL, HIGH BASES WILL ALLOW FOR  
STRONG OUTFLOW WIND GUSTS, IN EXCESS OF 40 MPH. AGAIN, THIS WILL BE  
DEPENDENT ON THUNDERSTORMS MOVING OVER THE BURN SITE. AFTER 10 PM,  
WINDS WILL WEAKEN AND TRANSITION FROM NORTHEASTERLY TO NORTHWESTERLY.  
A RED FLAG WARNING IN EFFECT FOR SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY  
VALUES DURING THE AFTERNOON. TEMPERATURES WILL REMAIN HOT, WITH HIGHS IN  
THE 90S.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....93F.  
MIN HUMIDITY........10-15 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 10-14 MPH WITH GUSTS NEAR 21 MPH.  
MIXING HEIGHT.......11000 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 16 MPH.  
SMOKE DISPERSAL.....EXCELLENT.  
 
TIME (MDT) 4PM 5PM  
SKY (%).........6 20  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............90 89  
RH..............15 17  
20 FT WIND DIR..NE NE  
20 FT WIND SPD..14 14  
20 FT WIND GUST.21 21  
EYE LVL WND DIR.NE NE  
EYE LVL WND SPD.8 8  
EYE LVL WND GST.13 13  
MIX HGT (KFT)...12 11  
TRANSP WIND DIR.NE NE  
TRANSP WIND SPD.16 16  
SDSPL KT-FT/1000160 145  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY(30 PERCENT) UNTIL 0500, THEN  
CLEAR. SLIGHT CHANCE OF THUNDERSTORMS 1800 TO 2200.  
MIN TEMPERATURE.....53F.  
MAX HUMIDITY........64-69 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 14 MPH UNTIL 2100, THEN  
NORTHWEST 6 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS UNTIL 0400.  
MIXING HEIGHT.......6000 FT AGL UNTIL 2000, THEN 500 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 14 MPH UNTIL 2000, THEN SOUTHEAST  
UNTIL 2200, THEN NORTH AROUND 13 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN FAIR UNTIL 2000, THEN  
POOR.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........21 24 32 30 20 13 29 24 44 23 14 2  
WEATHER COV.....SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH  
TEMP............87 84 76 70 68 66 63 61 59 57 55 54  
RH..............21 23 31 38 40 45 50 53 57 62 64 66  
20 FT WIND DIR..E E E W W W NW NW NW NW NW NW  
20 FT WIND SPD..14 14 14 7 7 7 6 6 6 6 6 6  
20 FT WIND GUST.20 20 20 12 12 12 9 9 9 9 9 9  
EYE LVL WND DIR.E E E W W W NW NW NW NW NW NW  
EYE LVL WND SPD.8 8 8 4 4 4 4 4 4 4 4 4  
EYE LVL WND GST.12 12 12 7 7 7 5 5 5 5 5 5  
MIX HGT (KFT)...7.5 4.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.NE E SE S NW NW NW N N N N N  
TRANSP WIND SPD.15 16 14 15 14 13 15 16 15 14 14 12  
SDSPL KT-FT/100099 53 7 7 6 6 6 7 7 5 6 5  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....94F.  
MIN HUMIDITY........8-13 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 8 MPH UNTIL 0900, THEN  
NORTHEAST AROUND 9 MPH UNTIL 1200, THEN  
SOUTHEAST 12-16 MPH WITH GUSTS NEAR 25 MPH.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
AFTER 1500.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1100. 13000 FT AGL AFTER  
1300.  
TRANSPORT WINDS.....NORTH AROUND 12 MPH UNTIL 0800, THEN EAST  
AROUND 9 MPH UNTIL 1200, THEN SOUTH AROUND 15  
MPH UNTIL 1700, THEN AROUND 22 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0700. EXCELLENT AFTER 1600.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 5 3 2 1 2 1 2 4 12 13 15  
WEATHER COV..... SCH SCH  
WEATHER TYPE.... RW RW  
TSTM COV........ SCH SCH  
TEMP............53 58 69 78 83 87 89 91 92 93 94 94  
RH..............69 62 44 35 30 25 24 20 18 16 14 13  
20 FT WIND DIR..N N N NE NE NE SE SE SE S S S  
20 FT WIND SPD..8 8 8 9 9 9 12 12 12 16 16 16  
20 FT WIND GUST.13 13 13 15 15 15 21 21 21 25 25 25  
EYE LVL WND DIR.N N N NE NE NE SE SE SE S S S  
EYE LVL WND SPD.5 5 5 5 5 5 7 7 7 10 10 10  
EYE LVL WND GST.8 8 8 9 9 9 13 13 13 15 15 15  
MIX HGT (KFT)...0.5 0.5 1.5 2.0 3.0 5.0 7.5 11 12 13 13 13  
TRANSP WIND DIR.N N NE NE E E SE SE S S S S  
TRANSP WIND SPD.12 12 14 12 9 9 10 12 13 15 18 22  
SDSPL KT-FT/10005 6 18 19 25 41 67 104 128 164 206 245  
 
 
FORECASTER...MOZLEY  
REQUESTED BY...RILEY FRAZEE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2613759.0/PUB  
.DELDT 05/15/26  
.FORMATTERVERSION 2.0.0  
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