Spot Forecast
Issued by NWS Great Falls, MT

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FNUS75 KTFX 072139
FWSTFX

Spot Forecast for Mass Geis 25...USFS
National Weather Service Great Falls MT
339 PM MDT Tue Oct 7 2025

Forecast is based on ignition time of 1600 MDT on October 07.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

With high pressure to the north, expect another dry and sun
filled day on Wednesday with light winds. Expect light west winds
around 5 to 10 mph and RH values dipping to around 20 percent.
Temperatures will start out around freezing early in the morning
but will quickly warm to the mid 60s.

.WEDNESDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....63-68.
Min humidity........17-22 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph shifting to the
                    southwest in the late morning and afternoon.
Mixing height.......4500 ft AGL.
Transport winds.....Southwest 10 to 15 mph.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8   14  11  3   1   2   2   4   3   4   2   3
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............38  37  36  41  50  55  58  62  63  63  65  63
RH..............50  52  54  53  42  34  29  26  23  22  22  24
20 FT wind dir..W   W   W   W   SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..10  10  5   10  10  10  10  10  10  10  10  5
20 FT wind gust.15  15  15  15  15  15  20  20  20  20  20  15
Mix hgt (kft)...1.0 1.0 1.0 1.0 1.5 2.5 3.0 3.5 4.0 4.0 4.5 4.5
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.10  10  10  10  10  15  15  15  15  15  15  15

$$
Forecaster...Ludwig
Requested by...Evan Haugan
Type of request...PRESCRIBED
.TAG 2523118.0/TFX
.DELDT 10/07/25
.FormatterVersion 2.0.0
.EMAIL evan.haugan@usda.gov, tfx.ops@noaa.gov