477
FNUS75 KTFX 020121
FWSTFX

Spot Forecast for Birdwell...BLM
National Weather Service Great Falls MT
721 PM MDT Wed Oct 1 2025

Forecast is based on forecast start time of 1900 MDT on October 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

With surface high pressure in place, expect generally tranquil
weather tonight and tomorrow with winds generally from the west
and light tonight and tomorrow. Clouds will be on the increase
during the day tomorrow, however, as some moisture works in from
the south. Rain will be possible starting tomorrow night after
5PM, although rain chances will top out around 30%.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Chance of thunder...1 percent.
Min temperature.....47-52.
Max humidity........54-59 percent.
Wind (20 ft)........
 Slope/valley.......Variable around 5 mph, generally from the west.
 Ridgetop...........Southwest 10 to 15 mph.
Mixing height.......500 ft AGL.
Transport winds.....North around 5 mph shifting to the southwest
                    early in the morning.

TIME (MDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........9   17  17  21  18  25  32  21  20  20  25
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0
Temp............69  66  62  60  58  57  56  54  53  52  51
RH..............33  39  41  45  48  49  53  55  56  56  59
20 FT wind dir..NW  NW  NW  SW  S   SW  SW  SW  W   W   W
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.15  10  10                      10      10
Ridge wind dir..SW  SW  S   S   SW  SW  SW  SW  SW  SW  W
Ridge wind spd..15  15  10  10  10  10  10  15  15  15  15
Mix hgt (kft)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.N   N   NE  E   SE  S   SE  SE  SE  S   SW
Transp wind spd.5   5   5   5   5   5   10  5   5   5   5

.THURSDAY...

Sky/weather.........Sunny (20-30 percent).
CWR.................0 percent.
Chance of thunder...1 percent.
Max temperature.....75-80.
Min humidity........18-23 percent.
Wind (20 ft)........
 Slope/valley.......West winds around 5 mph shifting to the
                    northwest late in the afternoon.
 Ridgetop...........Southwest 10 to 15 mph.
Mixing height.......6000 ft AGL.
Transport winds.....West 5 to 10 mph shifting to the southwest 10
                    to 15 mph in the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........18  21  22  10  12  13  20  34  34  27  40  38
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............50  49  50  55  62  67  71  73  75  75  75  76
RH..............59  59  59  52  40  34  28  25  23  23  23  24
20 FT wind dir..W   W   W   W   W   W   NW  W   W   W   NW  NW
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.10  10  10  10  10  10  10  15  15  15  15  10
Ridge wind dir..W   W   W   W   SW  SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..15  15  15  15  15  10  10  15  15  15  15  15
Mix hgt (kft)...0.5 0.5 0.1 0.5 1.0 2.0 3.5 5.5 6.0 6.0 6.0 4.5
Transp wind dir.W   W   W   W   W   W   W   W   W   W   SW  SW
Transp wind spd.5   5   5   10  10  10  10  15  15  10  10  10

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain.
CWR.................10 percent.
Chance of thunder...6 percent.
Min temperature.....51-56.
Max humidity........73-78 percent.
Wind (20 ft)........
 Slope/valley.......North winds around 5 mph shifting to the
                    northwest in the late evening.
 Ridgetop...........Southwest around 15 mph shifting to the
                    southeast after 3 am.
Mixing height.......500 ft AGL.
Transport winds.....Northeast around 10 mph shifting to the
                    northwest early in the evening.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........55  67  92  91  76  74  71  71  71  75  75  75
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Chc of thdr (%).10  10  10  10  10  10  10  10  10  0   0   0
Temp............74  71  68  63  62  60  59  58  57  55  54  54
RH..............27  32  38  46  52  58  63  67  71  74  76  78
20 FT wind dir..N   N   NW  W   NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.10  10  10  10  10  10  10  10  10  10  10  10
Ridge wind dir..SW  SW  SW  SW  SW  SW  SW  S   S   SE  SE  SE
Ridge wind spd..15  15  15  15  15  15  15  15  15  15  15  20
Mix hgt (kft)...1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.NE  E   NW  W   NW  N   N   N   N   N   N   NW
Transp wind spd.10  10  10  10  10  10  10  10  5   5   5   5

$$
Forecaster...Ludwig
Requested by...Lewistown Dispatch
Type of request...WILDFIRE
.TAG 2522866.0/TFX
.DELDT 10/01/25
.FormatterVersion 2.0.0
.EMAIL mtlec@firenet.gov, tfx.ops@noaa.gov