016
FNUS75 KBYZ 012014
FWSBYZ

Spot Forecast for Red grade piles...USFS-BHF
National Weather Service Billings MT
114 PM MST Sun Nov 1 2026

Forecast is based on ignition time of 0800 MST on November 02.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

Cold, snowy, and windy Monday. Half a foot of snow expected, with a
30% chance for more than 1 foot through Monday night. Winds will be
strongest Monday morning and afternoon. Conditions trend warmer and
drier Tuesday under mostly light winds and this pattern will
continue through at least Thursday. The next most likely chance
(30%) for precipitation is the end of the week.

.MONDAY...

Sky/weather.........Cloudy. Blowing snow. Snow showers in the
morning, then chance of snow showers late in the
afternoon.
CWR.................95 percent.
Chance of lightning.Less than 5 percent.
Max temperature.....28-32.
Min humidity........86-90 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 10 to 20 mph with gusts up to 50
mph decreasing to 5 to 10 mph late in the
afternoon with gusts up to 30 mph.
 Ridgetop...........Northwest 40 to 50 mph decreasing to 20 to 30
mph late in the afternoon.
Mixing height.......Increasing to 1800 ft AGL in the afternoon.
Transport winds.....Northwest 30 to 40 mph decreasing to 20 to 30
mph late in the afternoon.
Smoke dispersal.....Poor (24400 knot-ft) early in the morning
                    increasing to fair (45000 knot-ft) in the
                    afternoon.

TIME (MST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........99  98  98  97  97  96  96  96  96  95
Weather cov.....DEF DEF DEF DEF DEF DEF LKY LKY CHC CHC
Weather type....SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Temp............26  28  30  30  31  31  32  32  31  30
RH..............100 100 96  89  87  86  86  86  86  87
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..18  20  18  15  15  15  14  12  10  8
20 FT wind gust.40  46  40  36  36  36  34  30  28  25
SDsp kt-ft/1000.40  45  43  42  45  44  41  36  32  28

.MONDAY NIGHT...

Sky/weather.........Cloudy then becoming partly cloudy. Chance of
                    snow showers early in the evening.
CWR.................15 percent.
Chance of lightning.0 percent.
Min temperature.....21-25.
Max humidity........90-94 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 10 mph with gusts to around
                    20 mph shifting to the southwest 5 to 8 mph
                    overnight.
 Ridgetop...........Northwest 20 to 30 mph shifting to the southwest
10 to 20 overnight.
Mixing height.......Decreasing to 500 ft AGL overnight.
Transport winds.....Northwest 20 to 30 mph shifting to the west 10
                    to 15 mph overnight.
Smoke dispersal.....Poor (16000 knot-ft early in the evening
                    decreasing to 4500 knot-ft late in the night).

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........95  95  83  83  83  38  38  38  24  24  24  33
Weather cov.....CHC CHC SCH
Weather type....SW  SW  SW
Temp............27  27  28  27  26  26  25  25  24  23  23  23
RH..............88  89  90  87  86  85  84  79  79  78  78  75
20 FT wind dir..NW  NW  NW  NW  NW  W   W   W   SW  SW  SW  SW
20 FT wind spd..8   8   6   6   6   6   6   6   5   5   5   5
20 FT wind gust.20  20  11  11  11  7   7   7   6   6   6   8
SDsp kt-ft/1000.16  8   6   5   5   6   5   5   5   5   5   5

.TUESDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....46-50.
Min humidity........41-45 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 8 mph in the morning
                    becoming light.
 Ridgetop...........Southwest around 10 mph.
Mixing height.......Increasing to 1700 ft AGL in the afternoon.
Transport winds.....Southwest around 10 mph shifting to the south
                    in the afternoon.
Smoke dispersal.....Poor (1600 knot-ft early in the morning
                    increasing to 7900 knot-ft in the afternoon).

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........33        20        11        9
Temp............23        31        48        44
RH..............72        61        42        48
20 FT wind......SW 5G8    SW 6G10   NW 3G6    E 3G7
SDsp kt-ft/1000.5         5         8         6

$$
Forecaster...Archer
Requested by...Trae Holliday
Type of request...PRESCRIBED
.TAG 2624995.0/BYZ
.DELDT 11/01/26
.FormatterVersion 2.0.0
.EMAIL trae.holliday@usda.gov