894
FNUS75 KTFX 051222
FWSTFX

Spot Forecast for Cyanide Hand Pile Goguen...Rocky Mountain Ranger District MT-HLF
National Weather Service Great Falls MT
522 AM MST Wed Feb 5 2025

Forecast is based on ignition time of 0800 MST on February 05.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

A series of weather systems will continue to stream across the
Northern Rockies, leaving little break between precipitation
chances. An additional round of snow and snow showers this
morning and early afternoon will give way to low-end chances for
snow tonight into Thursday. Winds will largely be light, but will
increase this evening out of the southwest through the overnight.
Another opportunity for snow develops late tonight into Thursday,
but looks light in nature. There is roughly a 40% chance for 4
inches of snow through the day today, with only a 20% chance for
an additional inch of snow tonight into Thursday.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (35-45 percent). Snow likely early
                    in the morning, then slight chance of snow in
                    the afternoon.
CWR.................50 percent decreasing to 5 percent late in the
                    morning.
Max temperature.....17-22.
Min humidity........44-49 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 10 to 15 mph with gusts
                    to around 35 mph in the afternoon.
Mixing height.......3500 ft AGL.
Transport winds.....West 10 to 15 mph, slowly increasing up to 40 mph
                    in the late afternoon.

TIME (MST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........91  89  82  65  57  48  45  39  43  36
Weather cov.....LKY CHC CHC CHC SCH SCH             SCH
Weather type....SN  SN  SN  SN  SN  SN              SN
Tstm cov........
CWR.............50  50  50  10  10  10  10  10  10  10
Temp............-17 -14 -4  1   9   17  18  18  16  14
RH..............78  59  55  51  53  50  50  49  50  53
20 FT wind dir..NW  NW  NW  N   W   W   W   W   W   W
20 FT wind spd..0   0   5   5   5   10  10  15  15  15
20 FT wind gust.10  10  10  15  15  25  30  30  30  35
Mix hgt (kft)...1.0 1.0 1.0 1.0 1.0 2.0 2.5 3.5 3.0 1.0
Transp wind dir.N   NW  W   W   W   W   W   W   W   W
Transp wind spd.5   5   10  10  15  20  30  40  35  30

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Chance of
                    snow in the evening.
CWR.................5 percent.
Min temperature.....7-12.
Max humidity........57-62 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds around 15 mph with gusts to
                    around 40 mph.
Mixing height.......1000 ft AGL.
Transport winds.....West 25 to 30 mph decreasing to around 20 mph
                    after 3 am.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........34  28  30  51  35  53  59  55  55  55  63  57
Weather cov.....SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Temp............13  14  13  14  14  15  13  13  13  12  14  14
RH..............58  56  57  56  57  56  58  62  59  56  56  59
20 FT wind dir..W   W   W   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..15  15  15  15  15  15  15  15  15  15  15  15
20 FT wind gust.35  35  40  35  35  35  30  30  30  30  30  30
Mix hgt (kft)...1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.30  30  25  25  25  25  25  25  25  25  20  20

.THURSDAY...

Sky/weather.........Mostly sunny (45-55 percent) then becoming
                    mostly cloudy (70-80 percent). Chance of snow
                    in the morning.
CWR.................5 percent.
Max temperature.....23-28.
Min humidity........44-49 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph. Gusts up to 25 mph.
Mixing height.......4000 ft AGL.
Transport winds.....West 25 to 30 mph decreasing to around 10 mph.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........57  57  57  57  57  40  40  40  73  73  73  79
Weather cov.....CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Temp............12  14  14  14  18  23  25  25  24  22  20  18
RH..............62  59  60  61  54  49  47  47  49  52  56  60
20 FT wind dir..W   W   SW  W   W   W   W   W   W   W   W   W
20 FT wind spd..10  10  10  10  10  10  10  10  10  10  10  5
20 FT wind gust.25  25  25  25  25  25  25  25  20  20  20  10
Mix hgt (kft)...1.0 1.0 1.0 1.5 2.5 3.0 3.5 4.0 4.0 3.0 2.0 1.0
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.25  25  25  25  30  30  30  25  25  20  15  10

$$
Forecaster...McDowell
Requested by...Matthew Baker
Type of request...PRESCRIBED
.TAG 2502275.0/TFX
.DELDT 02/05/25
.FormatterVersion 2.0.0
.EMAIL matthew.baker2@usda.gov, tfx.ops@noaa.gov