794  
FNUS75 KBOU 022009  
FWSBOU  
 
SPOT FORECAST FOR HARRIS PARK - UNIT LM...USFS  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
209 PM MDT FRI OCT 2 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY AND ABOVE NORMAL TEMPERATURES WILL CONTINUE THROUGH MONDAY.  
HIGHS WILL REACH INTO THE UPPER 60S TO LOWER 70S AND RHS WILL DROP INTO  
THE 15% TO 30% RANGE EACH AFTERNOON THROUGH THURSDAY. WINDS OVER  
THE NEXT WEEK WILL GENERALLY REMAIN LIGHT (10 MPH) WITH OCCASIONAL WIND  
GUSTS AROUND 15-20MPH. A WEAK SYSTEM WILL BRING A 30% CHANCE OF  
RAIN TO THE AREA TUESDAY AFTERNOON. RAIN SHOULD GENERALLY REMAIN  
LIGHT, WITH A FEW HUNDREDTHS OF RAIN EXPECTED. LOW RAIN CHANCES  
WILL LINGER FOR WEDNESDAY AFTERNOON, WITH A 10% CHANCE FOR LIGHT  
RAIN. RAIN CHANCES FOR THURSDAY REMAIN VERY LOW (<10%).  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 1200.  
CWR.................6 PERCENT.  
CHANCE OF PCPN......30 PERCENT.  
CHANCE OF THUNDER...18 PERCENT.  
MAX TEMPERATURE.....AROUND 67.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........WEST WINDS 7 TO 12 MPH UNTIL 1100, THEN  
NORTHWEST 5 TO 8 MPH UNTIL 1400, THEN NORTH  
UNTIL 1700, THEN NORTHWEST AROUND 5 MPH. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
AFTER 1200.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 3100 FT AGL  
UNTIL 1100, THEN 8100 FT AGL UNTIL 1600, THEN  
4100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 9 TO 14 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR UNTIL 1200, THEN  
GOOD UNTIL 1600, THEN FAIR UNTIL 1700, THEN  
POOR.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........49 49 49 49 49 49 50 50 50 50 50 50  
WEATHER COV..... CHC CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH  
CWR.............0 0 0 0 0 0 10 10 10 10 10 10  
CHC OF PCPN (%).10 10 10 10 10 10 30 30 30 30 30 30  
CHC OF THDR (%).0 0 0 0 0 0 20 20 20 20 20 20  
TEMP............44 46 49 53 56 60 62 63 64 63 62 60  
RH..............53 51 48 43 37 32 28 29 29 31 34 37  
20 FT WIND DIR..W W W W W NW NW NW N N N NW  
20 FT WIND SPD..8 9 10 10 9 7 6 6 7 7 6 5  
20 FT WIND GUST.13 14 15 15 15 14 14 14 15 15 14 12  
MIX HGT (KFT)...0.6 0.5 0.6 1.4 3.7 6.4 8.4 8.8 8.2 6.8 4.8 2.4  
TRANSP WIND DIR.W W W W W W W NW NW NW NW NW  
TRANSP WIND SPD.13 12 12 10 10 10 10 10 12 12 12 10  
VRATE KT-FT/1K..6 5 6 13 34 58 76 79 82 68 48 22  
SMOKEDISPERSION.P P P P P F G G G G F P  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) UNTIL 2400, THEN  
PARTLY CLOUDY (20-30 PERCENT).  
CWR.................2 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...7 PERCENT.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........60 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 13 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL.  
TRANSPORT WINDS.....WEST 8 TO 13 MPH.  
SMOKE DISPERSAL.....POOR.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........53 53 53 53 53 53 27 27 27 27 27 27  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).10 10 10 10 10 10 0 0 0 0 0 0  
CHC OF THDR (%).10 10 10 10 10 10 0 0 0 0 0 0  
TEMP............57 54 51 48 46 46 45 44 44 43 42 41  
RH..............43 48 54 58 60 60 60 60 58 57 57 57  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..5 7 9 10 10 8 7 6 5 5 5 5  
20 FT WIND GUST.10 12 15 16 15 13 10 9 9 9 8 8  
MIX HGT (KFT)...0.5 0.1 0.1 0.3 0.3 0.4 0.5 0.5 0.4 0.4 0.3 0.2  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.10 10 9 10 10 10 10 10 12 12 12 10  
VRATE KT-FT/1K..5 0 0 3 3 4 4 4 4 4 3 2  
SMOKEDISPERSION.P P P P P P P P P P P P  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).  
CWR.................3 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...11 PERCENT.  
MAX TEMPERATURE.....AROUND 67.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 8 MPH UNTIL 1000. NORTHEAST  
AROUND 5 MPH AFTER 1700.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 2100 FT AGL  
UNTIL 1000, THEN 5600 FT AGL UNTIL 1200, THEN  
9000 FT AGL UNTIL 1600, THEN 5800 FT AGL UNTIL  
1700, THEN 2900 FT AGL.  
TRANSPORT WINDS.....WEST 8 TO 12 MPH UNTIL 1100, THEN SOUTHEAST  
UNTIL 1700, THEN EAST AROUND 8 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR UNTIL 1200, THEN  
GOOD UNTIL 1600, THEN FAIR UNTIL 1700, THEN  
POOR.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........14 14 14 14 14 14 21 21 21 21 21 21  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 10 10 10 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10 10  
TEMP............42 44 47 51 55 59 62 64 65 65 64 62  
RH..............55 53 51 46 40 33 28 27 26 26 28 31  
20 FT WIND DIR..W W W W SW S SE SE E E E NE  
20 FT WIND SPD..5 6 7 8 8 7 6 6 7 7 6 5  
20 FT WIND GUST.8 9 10 12 13 13 14 15 15 15 13 10  
MIX HGT (KFT)...0.4 0.6 1.1 2.1 4.0 6.2 8.0 8.9 9.0 8.1 5.8 2.9  
TRANSP WIND DIR.W W W W W S SE SE SE SE SE E  
TRANSP WIND SPD.10 10 9 9 9 10 10 10 10 10 9 8  
VRATE KT-FT/1K..3 5 9 17 32 56 72 80 81 73 46 20  
SMOKEDISPERSION.P P P P P F G G G G F P  
 
 
FORECASTER...PETTETT  
REQUESTED BY...FUELS AFMO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622977.0/BOU  
.DELDT 10/02/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JARRED.GORDON@USDA.GOV  
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