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