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FNUS75 KTFX 082212
FWSTFX

Spot Forecast for Mass Geis 25 Rx...USFS
National Weather Service Great Falls MT
Issued by National Weather Service Missoula MT
412 PM MDT Wed Oct 8 2025

Forecast is based on ignition time of 1600 MDT on October 08.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Light and variable winds overnight and early
Thursday morning will give way to increasing southeasterly winds
tomorrow as high pressure shifts to the east. Even as this high
pressure system departs, expect a warm and dry day tomorrow with
mostly clear skies, highs in the upper 60s, and RH in the low 20%
range.

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................Less than 10 percent.
Chance of thunder...0 percent.
Min temperature.....37-42.
Max humidity........45-50 percent.
Wind (20 ft)........
 Slope/valley.......Variable around 5 mph tonight.
Mixing height.......1000 ft AGL.
Transport winds.....Southwest 5 to 10 mph.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   6   6   5   10  11  7   6   10  11  26  34
Weather cov.....
Weather type....
Tstm cov........
CWR.............M   M   M   M   M   M   M   M   M   M   M   M
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............62  58  54  49  46  45  44  43  42  41  41  41
RH..............M   M   M   M   M   M   M   M   M   M   M   M
20 FT wind dir..SW  SW  E   E   NE  NW  NW  NW  N   NW  NW  NW
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.15  10  10  10  10  10  10  10  10  10  10
Mix hgt (kft)...1.5 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.SW  S   S   S   SW  SW  SW  SW  SW  SW  W   W
Transp wind spd.5   5   5   5   10  10  10  10  5   5   5   5

.THURSDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................Less than 10 percent.
Chance of thunder...0 percent.
Max temperature.....66-71.
Min humidity........19-24 percent.
Wind (20 ft)........
 Slope/valley.......Variable around 5 mph in the morning, then
                    shifting to the southeast and increasing
                    to 15 mph in the afternoon.
Mixing height.......4000 ft AGL.
Transport winds.....West around 5 mph shifting to the east early in
                    the morning, then shifting to the southeast
                    late in the morning increasing to around 15 mph
                    late in the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........29  30  20  4   1   3   3   4   9   10  3   9
Weather cov.....
Weather type....
Tstm cov........
CWR.............M   M   M   M   M   M   M   M   M   M   M   M
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............41  41  40  44  54  59  64  66  67  68  66  66
RH..............M   M   M   M   M   M   M   M   M   M   M   M
20 FT wind dir..N   N   NE  E   SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..5   5   5   5   5   5   5   10  10  10  10  10
20 FT wind gust.                10  10  15  15  20  20  20  20
Mix hgt (kft)...1.0 1.0 1.0 0.5 1.0 2.0 3.5 4.0 4.0 4.0 4.0 3.0
Transp wind dir.W   NW  E   E   SE  SE  SE  SE  SE  SE  SE  E
Transp wind spd.5   5   5   5   5   5   10  10  15  15  15  15

$$
Forecaster...Kitsmiller
Requested by...Evan Haugan
Type of request...PRESCRIBED
.TAG 2523195.0/TFX
.DELDT 10/08/25
.FormatterVersion 2.0.0
.EMAIL evan.haugan@usda.gov