715
FNUS75 KBOU 091833
FWSBOU
SPOT FORECAST FOR ROAD 11 DITCH RX...OTHER
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1233 PM MDT THU APR 9 2026
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LIGHT AND VARIABLE WINDS ARE EXPECTED THROUGH 1500.
AFTER THIS, GUSTY OUTFLOW WINDS WILL BE POSSIBLE AND LIKELY TO
OCCUR 1600-1800. MOST LIKELY WIND DIRECTION FROM THE OUTFLOW WINDS
WILL BE NORTHWEST, BUT ANY DIRECTION WILL BE POSSIBLE WITH A
COUPLE WIND SHIFTS EXPECTED DURING THE LATE AFTERNOON. GUSTS
LIKELY REACH 20-30 MPH AND A SLIGHT CHANCE FOR GUSTS UP TO 40 MPH.
A COLD FRONT MOVES THROUGH THIS EVENING (1900-2000 HOURS)
BRINGING NORTH WINDS WITH IT. THIS WILL BRING COOLER TEMPERATURES
AND HIGHER RELATIVE HUMIDITIES FOR FRIDAY. EAST TO NORTHEAST WINDS
ARE EXPECTED FRIDAY WITH GUSTY WINDS DEVELOPING DURING THE
AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
SHOWERS AFTER 1500.
CWR.................7 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE THROUGH 1500. GUSTY OUTFLOW
WINDS UP TO 40 MPH. MIXING HEIGHT.......6600 FT AGL UNTIL 1400,
THEN 11100 FT AGL UNTIL 1700, THEN 8400 FT AGL. TRANSPORT
WINDS.....WEST 16 TO 22 MPH. SMOKE DISPERSAL.....GOOD UNTIL 1400,
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.
TIME (MDT) 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 52 62 75 81
WEATHER COV..... CHC CHC CHC
WEATHER TYPE.... RW RW RW
TSTM COV........
CWR.............0 0 10 10 10
CHC OF PCPN (%).10 10 30 30 30
CHC OF THDR (%).10 10 10 10 10
TEMP............70 72 71 71 70
RH..............25 24 25 25 25
20 FT WIND DIR..NE N W NW NW
20 FT WIND SPD..6 6 7 7 8
20 FT WIND GUST.8 8 10 12 15
MIX HGT (KFT)...6.6 11 11 9.9 8.4
TRANSP WIND DIR.W W W W W
TRANSP WIND SPD.16 22 21 18 16
VRATE KT-FT/1K..93 212 193 158 118
SMOKEDISPERSION.G E E E VG
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
2400.
CWR.................14 PERCENT DECREASING TO 3 PERCENT OVERNIGHT.
CHANCE OF PCPN......50 PERCENT.
CHANCE OF THUNDER...8 PERCENT.
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 15 MPH UNTIL 2000, THEN
NORTH UNTIL 0100, THEN NORTHWEST 5 TO 7 MPH
UNTIL 0400, THEN VARIABLE UP TO 5 MPH.
MIXING HEIGHT.......3300 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL
UNTIL 2200, THEN 1000 FT AGL UNTIL 2300, THEN
BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 9 TO 15 MPH UNTIL 2400, THEN LIGHT
UNTIL 0100, THEN NORTHWEST AROUND 8 MPH UNTIL
0300, THEN LIGHT UNTIL 0400, THEN EAST 8 TO 9
MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........87 82 85 84 74 67 43 42 40 36 53 66
WEATHER COV.....CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
CHC OF PCPN (%).50 50 50 50 50 50 10 10 10 10 10 10
CHC OF THDR (%).10 10 10 0 0 0 0 0 0 0 0 0
TEMP............65 62 58 55 53 51 49 46 45 44 42 41
RH..............30 36 44 53 59 61 66 71 73 73 79 82
20 FT WIND DIR..NW N N N N NW NW N N N N N
20 FT WIND SPD..8 9 9 9 8 6 5 3 3 3 3 2
20 FT WIND GUST.18 18 18 17 16 14 13 12 9 8 7 5
MIX HGT (KFT)...3.3 0.7 0.6 0.6 1.0 0.6 0.6 0.5 0.5 0.6 0.5 0.5
TRANSP WIND DIR.N NE NE N NE NE NE N NW N E E
TRANSP WIND SPD.12 9 13 12 15 10 7 5 5 5 6 7
VRATE KT-FT/1K..33 6 7 6 13 5 3 2 2 2 3 3
SMOKEDISPERSION.P P P P P P P P P P P P
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN
SHOWERS AFTER 1200. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CWR.................2 PERCENT INCREASING TO 12 PERCENT IN THE
AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF THUNDER...16 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........EAST/NORTHEAST 5 TO 13 MPH UNTIL 1400, THEN
NORTHEAST 9 TO 14 MPH WITH GUSTS TO AROUND
22 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS AFTER 1500.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3800 FT AGL.
TRANSPORT WINDS.....EAST AROUND 8 MPH UNTIL 0900, THEN LIGHT UNTIL
1000, THEN SOUTHEAST 8 TO 11 MPH UNTIL 1400,
THEN NORTHEAST 9 TO 14 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........70 60 70 80 73 66 59 64 70 75 78 80
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ 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 40 40 40 40 40 40
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 20 20 20
TEMP............39 39 41 44 50 54 57 61 63 64 65 64
RH..............89 92 89 82 68 59 49 44 40 39 39 40
20 FT WIND DIR..N NE E E E E E E NE NE E E
20 FT WIND SPD..2 2 2 2 3 6 8 9 10 10 12 12
20 FT WIND GUST.6 6 6 7 9 12 15 17 20 21 22 22
MIX HGT (KFT)...0.6 0.7 1.0 2.1 2.5 3.1 3.7 3.8 3.9 4.0 3.4 2.7
TRANSP WIND DIR.E E E E SE SE SE SE E NE NE E
TRANSP WIND SPD.8 6 5 6 8 8 8 9 10 10 12 12
VRATE KT-FT/1K..4 3 4 11 18 22 26 31 35 36 34 27
SMOKEDISPERSION.P P P P P P P P P P P P
FORECASTER...MEIER
REQUESTED BY...GREG GILBERT
TYPE OF REQUEST...PRESCRIBED
.TAG 2608882.5/BOU
.DELDT 04/09/26
.FORMATTERVERSION 2.0.0
.EMAIL GGILBERT@FFFD.US,JWILLIAMS@FFFD.US
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