Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
649
FNUS75 KBOU 022141
FWSBOU
Spot Forecast for Flat Lake Piles...USFS
National Weather Service Denver/Boulder CO
241 PM MST Mon Nov 2 2026
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Dry conditions will prevail with near normal
temperatures and generally light winds through the next couple
days. For Tuesday, any lingering clouds will break up with mostly
sunny skies for the afternoon hours. That will lead to some
heating and mixing, but decreasing winds aloft only mean a couple
hours of marginal smoke dispersion. Light west/northwest winds or
even variable winds at times under 8 mph can be expected.
Similar conditions can be expected Wednesday regarding
temperatures, moderate humidities, and light winds. However, a
weak disturbance will bring increasing clouds and a chance of
light snow showers by afternoon.
.TUESDAY...
Sky/weather.........Mostly cloudy (50-60 percent) until 1000, then
partly cloudy (35-45 percent) until 1400, then
mostly sunny (15-25 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Max temperature.....Around 41.
Min humidity........53 percent.
Wind (20 ft)........West winds 5 to 8 mph until 1700, then variable
up to 5 mph.
Mixing height.......3000 ft AGL until 1700, then Below 1000 FT AGL.
Transport winds.....Northwest 8 to 9 mph until 1100, then west 8 to
11 mph until 1700, then light.
Smoke dispersal.....Poor until 1200, then Marginal 1200-1500, then
Poor.
TIME (MST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........56 46 42 38 32 24 24 24 20
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 0 0 0 0 0
Temp............31 33 35 37 39 41 39 37 34
RH..............75 69 66 64 59 53 54 56 66
20 FT wind dir..SW W W W W W W SW SW
20 FT wind spd..6 6 7 7 7 7 6 5 3
20 FT wind gust.9 9 12 12 12 12 9 7 6
Mix hgt (kft)...1.5 2.0 2.4 2.6 3.1 3.2 2.6 1.8 0.6
Transp wind dir.N NW W W W W W W SW
Transp wind spd.6 7 7 7 8 9 8 8 7
Vrate kt-ft/1K..8 12 14 16 22 26 19 13 3
SmokeDispersion.P P P P P P P P P
.TUESDAY NIGHT...
Sky/weather.........Mostly clear (20-30 percent) until 0200, then
mostly cloudy (55-65 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Min temperature.....Around 24.
Max humidity........78 percent.
Wind (20 ft)........Variable up to 5 mph until 2000, then south 5
to 7 mph until 0500, then southeast around 5
mph.
Mixing height.......Below 1000 FT AGL.
Transport winds.....Southwest 8 to 9 mph until 2000, then light
until 2100, then south around 8 mph until 2200,
then light until 2300, then south 8 to 11 mph
until 0500, then light.
Smoke dispersal.....Poor.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........20 17 13 16 20 23 24 32 56 57 67 64
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 0 0 0 0 0 0
Temp............31 30 28 27 27 26 26 26 24 26 26 26
RH..............72 69 75 78 74 74 71 71 74 65 65 65
20 FT wind dir..SW S S S S S S S S S S SE
20 FT wind spd..3 3 5 6 6 6 6 6 6 6 5 5
20 FT wind gust.6 6 7 9 10 10 9 9 9 8 8 8
Mix hgt (kft)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.SW SW S S S S S S S S S S
Transp wind spd.6 6 7 8 7 8 9 9 8 8 8 7
Vrate kt-ft/1K..2 3 3 4 3 4 4 4 3 4 4 3
SmokeDispersion.P P P P P P P P P P P P
.WEDNESDAY...
Sky/weather.........Mostly cloudy (65-75 percent). Slight chance of
snow showers after 1100 until 1700, then chance
of snow showers.
CWR.................7 percent.
Chance of pcpn......50 percent.
Max temperature.....Around 44.
Min humidity........38 percent.
Wind (20 ft)........Southeast winds 5 to 7 mph until 0800, then
variable up to 5 mph until 1100, then northwest
5 to 8 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 2900 ft AGL
until 1700, then Below 1000 FT AGL.
Transport winds.....South around 8 mph until 0700, then 8 to 9 mph
until 0900, then light until 1000, then
northwest 8 to 10 mph until 1200, then north 8
to 12 mph.
Smoke dispersal.....Poor until 1100, then Marginal 1100 to 1600,
then Poor.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........89 82 55 54 52 51 58 66 73 76 80 83
Weather cov..... SCH SCH SCH SCH SCH SCH CHC
Weather type.... SW SW SW SW SW SW SW
Tstm cov........
CWR.............0 0 0 0 0 10 10 10 10 10 10 0
Chc of pcpn (%).0 0 0 0 0 20 20 20 20 20 20 50
Temp............26 27 29 33 38 42 43 44 43 41 39 36
RH..............65 65 63 53 44 38 38 38 41 46 52 61
20 FT wind dir..S SE SE S W NW NW NW NW NW NW NW
20 FT wind spd..5 5 3 3 3 5 6 7 7 7 6 6
20 FT wind gust.8 8 7 7 7 8 10 13 15 15 14 13
Mix hgt (kft)...0.5 0.5 0.4 1.2 2.0 2.9 3.0 3.1 3.3 2.4 1.6 0.7
Transp wind dir.S S S S W NW NW N N N N N
Transp wind spd.8 7 6 6 7 7 8 9 10 10 10 10
Vrate kt-ft/1K..4 3 2 6 12 17 21 25 29 22 14 6
SmokeDispersion.P P P P P P M M M M P P
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Partly cloudy. Chance of snow showers. Lows in the mid 20s. Highs
in the lower 40s. Variable winds less than 10 mph.
.FRIDAY...
Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Southwest winds around 5 mph.
.SATURDAY...
Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Southwest winds around 6 mph.
$$
Forecaster...Barjenbruch
Requested by...zach alexander
Type of request...PRESCRIBED
.TAG 2625083.0/BOU
.DELDT 11/02/26
.FormatterVersion 2.0.0
.EMAIL zacharia.alexander@usda.gov