719  
FNUS75 KBOU 092324 AAD  
FWSBOU  
 
SPOT FORECAST FOR HIGH PLAINS FIRE...UPDATED  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
524 PM MDT TUE JUN 9 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING
 
   
..RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY
 
 
   
DISCUSSION
 
DRY AND WINDY CONDITIONS WILL PREVAIL THROUGH  
TONIGHT AND WEDNESDAY. A WIND SHIFT TO THE NORTHWEST IS EXPECTED  
BETWEEN 6:30 PM AND 7:30 PM. AFTER THIS, WINDS SLOWLY DECREASE,  
MAINLY AFTER SUNSET. A COLD FRONT WILL INCREASE WINDS AROUND  
MIDNIGHT WITH GUSTS TO 30 MPH. THESE GUSTY WINDS WILL BE SHORT-  
LIVED (AN HOUR OR TWO). ALSO THIS EVENING, THERE IS A 20-30  
PERCENT CHANCE FOR A DRY MICROBURST FROM HIGH-BASED SHOWERS  
THROUGH SUNSET, WITH A QUICK WIND SHIFT AND 40-50 MPH GUSTS  
POSSIBLE.  
 
AFTER RELATIVELY LIGHT WINDS WEDNESDAY MORNING, THE WINDS  
INCREASE WEDNESDAY AFTERNOON WITH GUSTS TO 25 TO 30 MPH POSSIBLE.  
DRY AND MILD CONDITIONS ARE EXPECTED AS WELL.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...18 PERCENT.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........15 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO  
AROUND 40 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......8600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 28 MPH.  
SMOKE DISPERSAL.....EXCELLENT.  
 
TIME (MDT) 5PM  
SKY (%).........59  
WEATHER COV.....SCH  
WEATHER TYPE....RW  
TSTM COV........SCH  
CWR.............10  
CHC OF THDR (%).20  
TEMP............89  
RH..............16  
20 FT WIND DIR..S  
20 FT WIND SPD..23  
20 FT WIND GUST.35  
MIX HGT (KFT)...8.6  
TRANSP WIND DIR.SW  
TRANSP WIND SPD.28  
VRATE KT-FT/1K..205  
SMOKEDISPERSION.E  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) UNTIL 2200, THEN  
PARTLY CLOUDY (25-35 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...9 PERCENT.  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........57 PERCENT.  
WIND (20 FT)........SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO AROUND  
40 MPH UNTIL 1900, THEN NORTHWEST 5 TO 12 MPH.  
MIXING HEIGHT.......8100 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER  
2000.  
TRANSPORT WINDS.....SOUTH 23 TO 29 MPH UNTIL 2100, THEN SOUTHWEST  
14 TO 19 MPH UNTIL 2400, THEN WEST 13 TO 18 MPH  
UNTIL 0200, THEN NORTHWEST 9 TO 14 MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 0500.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........61 65 59 51 47 40 35 22 20 22 18 9  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).10 10 10 0 0 0 0 0 0 0 0 0  
TEMP............87 84 78 73 70 68 64 62 59 57 56 55  
RH..............18 21 29 35 39 39 45 46 49 53 55 57  
20 FT WIND DIR..S NW NW N NE NE N N N NW NW NW  
20 FT WIND SPD..22 15 14 12 9 5 15 11 7 6 6 6  
20 FT WIND GUST.37 25 24 22 14 10 28 20 12 9 9 9  
MIX HGT (KFT)...8.1 2.1 0.6 0.6 0.6 0.6 0.5 0.6 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.SW NW N N N N N N N N NW NW  
TRANSP WIND SPD.29 26 23 17 17 15 16 14 12 12 12 10  
VRATE KT-FT/1K..202 48 13 9 9 8 8 7 5 5 5 4  
SMOKEDISPERSION.E F P P P P P P P P P P  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...1 PERCENT.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........12 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH UNTIL 0900, THEN  
VARIABLE UP TO 6 AROUND 10 MPH UNTIL  
1200, THEN SOUTHWEST 7-13 MPH WITH GUSTS TO  
AROUND 20 MPH UNTIL 1500, THEN WEST 8 TO 15  
MPH WITH GUSTS TO AROUND 25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3100 FT AGL  
UNTIL 1100, THEN 5200 FT AGL UNTIL 1200, THEN  
9400 FT AGL UNTIL 1400, THEN 11700 FT AGL UNTIL  
1700, THEN 8100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 1100, THEN WEST 12  
TO 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR UNTIL 1200, THEN  
VERY GOOD UNTIL 1300, THEN EXCELLENT UNTIL  
1700, THEN GOOD.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........11 6 6 4 2 1 2 5 7 12 17 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 59 63 68 74 77 80 83 85 87 87 88  
RH..............57 49 44 36 28 24 21 17 15 14 13 12  
20 FT WIND DIR..NW NW NW NW NW SW S S SW SW W W  
20 FT WIND SPD..6 6 6 6 3 3 8 10 12 13 13 12  
20 FT WIND GUST.9 9 9 9 6 6 14 18 20 21 25 25  
MIX HGT (KFT)...0.5 0.7 1.6 2.3 3.5 5.2 7.9 9.9 11 12 11 8.1  
TRANSP WIND DIR.NW NW NW N W W SW W W W W W  
TRANSP WIND SPD.12 12 14 12 10 12 16 20 20 20 18 14  
VRATE KT-FT/1K..5 7 20 23 32 52 111 168 193 199 179 97  
SMOKEDISPERSION.P P P P P F VG E E E E G  
 

 
FORECASTER...MEIER  
REQUESTED BY...JUSTIN ROGERS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2615258.0/BOU  
.DELDT 06/09/26  
.FORMATTERVERSION 2.0.0  
.EMAIL METCOMDISPATCHERS@SOUTHMETRO.ORG  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CO Page Main Text Page