Spot Forecast
Issued by NWS Pueblo, CO

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Spot Forecast for Greenhorn Piles Rx...United States Forest Service
National Weather Service Pueblo CO
331 AM MST Mon Dec 15 2025

Forecast is based on ignition time of 0600 MST on December 15.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (719) 948-9429, if you have questions
or concerns with this forecast.

.DISCUSSION...
Mild temperatures and dry weather will continue over the area for the
next several days. Light winds today will keep dispersions firmly in
the poor category.  Winds increase for Tuesday, but an inversion aloft
will limit mixing and keep dispersions poor once again.  A very strong
jet stream will move in for Wednesday bringing the potential for
damaging gusts up to 75 mph across the area. High wind watches may
become necessary for Wednesday into Wednesday night as details become
more certain.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....45F.
Min humidity........9-14 percent.
Wind (20 ft)........Northwest winds 10-20 mph until 1200, then
                    west 5-13 mph.
Mixing height.......500 ft agl.
Transport winds.....Northwest around 9 mph until 1300, then
                    southwest around 6 mph.
Smoke dispersal.....Poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........14  10  5   7   8   10  15  21  26  32  38  45
Weather cov.....
Weather type....
Tstm cov........
Temp............33  33  33  38  44  45  45  45  44  41  38  32
RH..............15  16  17  16  14  15  15  15  16  18  21  27
20 FT wind dir..NW  NW  NW  N   N   N   W   W   SW  SW  SW  SW
20 FT wind spd..10  10  10  9   9   9   5   5   5   5   5   5
20 FT wind gust.20  20  20  18  18  18  13  13  12  11  10  10
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.1 0.5 1.5 1.5 1.0 0.5 0.1 0.1
Transp wind dir.NW  NW  N   N   N   N   NW  W   SW  SW  SW  SW
Transp wind spd.13  13  13  12  12  8   8   7   7   7   6   6
SDspl kt-ft/10000   0   0   0   0   3   9   8   5   2   0   0

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....28F.
Max humidity........22-27 percent.
Wind (20 ft)........West 5-15 until 2100, then northwest 12-24
                    mph.
Mixing height.......LESS THAN 500 FEET AGL.
Transport winds.....Northwest around 9 mph until 2300, then around
                    14 mph.
Smoke dispersal.....Poor.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........37  29  21  17  14  10  8   6   4   6   9   11
Weather cov.....
Weather type....
Tstm cov........
Temp............31  31  31  32  32  33  32  31  30  30  30  29
RH..............27  27  26  25  24  23  22  23  23  23  23  24
20 FT wind dir..W   W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   7   7   10  10  10  10  10  10  12  12  12
20 FT wind gust.17  17  17  20  20  20  21  21  21  22  22  22
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.W   W   W   NW  NW  NW  W   W   W   NW  NW  NW
Transp wind spd.7   8   9   9   10  12  12  12  13  14  15  15
SDspl kt-ft/10000   0   0   0   0   0   0   0   0   0   0   0

.TUESDAY...

Sky/weather.........Sunny.
Max temperature.....41F.
Min humidity........18-23 percent.
Wind (20 ft)........Northwest winds 14-24 mph.
Mixing height.......500 ft agl.
Transport winds.....North around 19 mph until 1400. Northwest
                    around 8 mph after 1700.
Smoke dispersal.....Poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32  14  14  6   11  15  17  18  20  20  21  21
Weather cov.....
Weather type....
Tstm cov........
Temp............30  30  30  35  37  38  40  40  41  38  36  34
RH..............26  26  26  24  27  31  31  33  33  38  42  45
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  W   W   W
20 FT wind spd..14  14  14  14  14  14  13  13  13  9   9   9
20 FT wind gust.24  24  24  24  24  24  22  22  22  18  18  18
Mix hgt (kft)...0.1 0.1 0.1 0.1 0.1 0.5 0.5 0.5 0.5 0.5 0.1 0.1
Transp wind dir.NW  NW  NW  NW  NW  N   N   N   N   N   NW  NW
Transp wind spd.17  20  18  20  22  23  21  18  16  14  10  8
SDspl kt-ft/10000   0   0   0   0   9   5   7   9   5   2   0

$$
Forecaster...TORGERSON
Requested by...Charles Boyles
Type of request...PRESCRIBED
.TAG 2527006.4/PUB
.DELDT 12/15/25
.FormatterVersion 2.0.0