254
FNUS75 KBYZ 271732
FWSBYZ

Spot Forecast for Bridger Bowl Pile Burn...USFS
National Weather Service Billings MT
1132 AM MDT Mon Oct 27 2025

Forecast is based on ignition time of 1200 MDT on October 27.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

A disturbance moving through the region will bring period of
isolated to scattered snow showers into this evening. Additional
snow accumulations are expected to be less than an inch. Breezy
west to northwest winds will continue into this evening, gradually
decreasing overnight. Winds will be lighter on Tuesday,
prevailing out of the west and northwest.

.REST OF TODAY...

Sky/weather.........Partly sunny. Periods of isolated to
                    scattered snow showers.
CWR.................15 percent.
Chance of lightning.5 percent.
Max temperature.....28-32.
Min humidity........36-42 percent.
Wind (20 ft)........
 Slope/valley.......West to northwest winds 9 to 16 mph with
                    gusts to around 25 mph.
 Ridgetop...........West 20 to 30 mph.
Mixing height.......Increasing to 5400 ft AGL in the afternoon.
Transport winds.....West around 30 mph.

TIME (MDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........66  63  67  67  62  53
Weather cov.....ISO ISO ISO SCT ISO ISO
Weather type....SW  SW  SW  SW  SW  SW
Tstm cov........
Chc of ltng (%).0   0   0   5   5   5
Temp............27  28  28  31  29  28
RH..............59  50  48  42  40  44
20 FT wind dir..WNW WNW NW  NW  NW  NW
20 FT wind spd..15  16  15  15  15  14
20 FT wind gust.24  25  25  25  25  23

.TONIGHT...

Sky/weather.........Partly cloudy. Isolated snow showers in the
                    evening.
CWR.................10 percent.
Chance of lightning.0 percent.
Min temperature.....14-18.
Max humidity........74-80 percent.
Wind (20 ft)........
 Slope/valley.......West to northwest winds 5 to 13 mph. Gusts to around
                    20 mph in the evening.
 Ridgetop...........West to northwest 20 to 30 mph.
Mixing height.......2200 ft AGL early in the evening decreasing to
                    200 ft AGL overnight.
Transport winds.....West around 30 mph.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........50  45  32  25  23  28  36  55  56  54  54  42
Weather cov.....ISO ISO ISO ISO
Weather type....SW  SW  SW  SW
Tstm cov........
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............26  23  22  21  20  19  19  19  19  20  18  18
RH..............52  60  63  67  70  69  69  68  69  73  76  77
20 FT wind dir..NW  NW  WNW W   W   W   W   W   W   W   W   W
20 FT wind spd..13  12  10  9   8   8   7   7   6   6   6   6
20 FT wind gust.21  20  19  17  16  14  16  14  13  13  12  11

.TUESDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....31-35.
Min humidity........33-39 percent.
Wind (20 ft)........
 Slope/valley.......West to northwest winds 5 to 10 mph.
 Ridgetop...........West around 20 mph.
Mixing height.......Increasing to 2800 ft AGL in the afternoon.
Transport winds.....West 10 to 20 mph.

TIME (MDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........29        12        6         4
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of ltng (%).0         0         0         0
Temp............18        18        28        32
RH..............80        75        56        36
20 FT wind......W 6G10    W 6G10    NW 6G10   NW 6G10

$$
Forecaster...Palmquist
Requested by...James Pummel
Type of request...PRESCRIBED
.TAG 2524556.0/BYZ
.DELDT 10/27/25
.FormatterVersion 2.0.0
.EMAIL james.pummel@usda.gov