583
FNUS75 KBYZ 031639
FWSBYZ

Spot Forecast for Beaver Creek RX...Forest Service
National Weather Service Billings MT
1039 AM MDT Wed Sep 3 2025

Forecast is based on ignition time of 1000 MDT on September 03.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Temperatures are only expected to rise slightly today. Relative
humidity recoveries tonight will be highest in the evening before
decreasing slightly through the night. Cold frontal passage is
expected around 12 PM Thursday. This is expected to create strong
winds in the 30s mph. Relative humidity values are expected to
increase throughout the day Thursday as temperatures will not rise
much. Torgerson


.REST OF TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....61-65.
Min humidity........26-30 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 12 to 16 mph. Gusts up to 31 mph.
 Ridgetop...........Northwest around 30 mph.
Mixing height.......Increasing to 6700 ft AGL in the afternoon.
Transport winds.....Northwest 18 to 22 mph.
Smoke dispersal.....Fair (56700 knot-ft) early in the morning
                    increasing to very good (138100 knot-ft) in the
                    afternoon.

TIME (MDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........13  21  28  31  35  40  39  38
Weather cov.....
Weather type....
Tstm cov........
Chc of ltng (%).0   0   0   0   0   0   0   0
Temp............54  56  57  60  62  62  63  63
RH..............32  32  30  30  29  28  28  28
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..15  15  15  15  16  16  16  16
20 FT wind gust.25  25  25  27  28  29  29  29
SDsp kt-ft/1000.57  88  102 122 129 138 138 118

.TONIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....46-50.
Max humidity........50-54 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds decreasing to 6 to 10 mph
gusting to 14 mph overnight.
 Ridgetop...........Northwest around 30 mph.
Mixing height.......Decreasing to 20 ft AGL overnight.
Transport winds.....Northwest around 20 mph.
Smoke dispersal.....Good (77600 knot-ft) early in the evening
                    decreasing to poor (0 knot-ft) late in the
                    night.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........41  43  47  48  46  40  37  36  33  32  28  19
Weather cov.....
Weather type....
Tstm cov........
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............61  59  54  52  51  51  51  51  50  50  48  48
RH..............30  35  40  53  53  53  51  49  47  47  45  45
20 FT wind dir..NW  N   N   N   N   N   N   NW  NW  NW  NW  N
20 FT wind spd..14  12  8   7   6   6   6   6   6   6   6   7
20 FT wind gust.25  20  16  13  13  12  12  12  12  12  13  13
SDsp kt-ft/1000.78  14  0   0   0   0   0   0   0   0   0   0

.THURSDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....55-59.
Min humidity........40-44 percent.
Wind (20 ft)........
 Slope/valley.......North 18 to 24 mph with gusts to around 35 mph
 in the afternoon.
 Ridgetop...........Northwest around 35 mph.
Mixing height.......Increasing to 3900 ft AGL in the afternoon.
Transport winds.....North around 40 mph in the afternoon.
Smoke dispersal.....Poor (0 knot-ft) early in the morning
                    increasing to good (73900 knot-ft) in the
                    afternoon.

TIME (MDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........15        6         12        32
Weather cov.....AREAS     AREAS     AREAS     AREAS
Weather type....
Tstm cov........
Chc of ltng (%).0         0         0         0
Temp............48        54        56        53
RH..............50        46        48        56
20 FT wind......N 8G14    NW 12G17  N 20G35   N 23G35
SDsp kt-ft/1000.0         20        74        36

$$
Forecaster...Torgerson
Requested by...Sage Decker
Type of request...PRESCRIBED
.TAG 2521246.0/BYZ
.DELDT 09/03/25
.FormatterVersion 2.0.0
.EMAIL justin.decker@usda.gov