Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
338
FNUS75 KTFX 151101
FWSTFX
Spot Forecast for Bear Gulch...USFS
National Weather Service Great Falls MT
501 AM MDT Tue Sep 15 2026
Forecast is based on ignition time of 0600 MDT on September 15.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Overall today will be mostly sunny, with generally light winds.
Northerly winds on Wed could allow for some low clouds and a small
chance for a light rain shower. Morning showers/thunderstorms are
possible on Thursday, with a good chance for showers/thunderstorms
by Thursday evening.
.TODAY...
Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....64-69.
Min humidity........28-33 percent.
Wind (20 ft)........
Slope/valley.......Light winds becoming upslope around 5 mph
late in the morning.
Mixing height.......6000 ft AGL.
Transport winds.....South 5 to 10 mph shifting to the east late in
the afternoon.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........23 17 24 27 31 22 16 22 36 24 18 32
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 40 42 46 51 54 57 61 64 64 66 66
RH..............80 78 71 60 58 54 49 44 40 36 33 30
20 FT wind dir..SW W W NW NE NE NE NE NE NE NE NE
20 FT wind spd..0 0 0 0 0 5 5 5 5 5 5 5
20 FT wind gust.5 5 5 5 5 10 15 15 15 15 15 15
Mix hgt (kft)...0.5 0.5 0.5 0.5 1.5 2.0 3.0 4.0 5.0 5.5 6.0 5.0
Transp wind dir.S S SW S SE SE S S S SE SE E
Transp wind spd.5 5 5 5 5 5 5 5 10 10 10 10
.TONIGHT...
Sky/weather.........Mostly cloudy (55-65 percent) then becoming
partly cloudy (30-40 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....45-50.
Max humidity........75-80 percent.
Wind (20 ft)........
Slope/valley.......North winds around 5 mph, becoming downslope
overnight.
Mixing height.......500 ft AGL.
Transport winds.....North around 10 mph shifting to the northwest
overnight.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........55 61 59 39 32 23 33 31 41 45 50 58
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............64 63 60 56 55 53 52 52 50 50 48 48
RH..............36 41 48 56 61 64 67 68 73 73 78 77
20 FT wind dir..NE N NW NW W W W W W NW NW W
20 FT wind spd..5 5 10 10 10 10 5 5 5 5 5 5
20 FT wind gust.15 15 15 20 15 15 10 10 10
Mix hgt (kft)...3.5 1.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.NE N N N N N N N NW N NW N
Transp wind spd.10 10 10 10 10 10 10 10 10 10 10 10
.WEDNESDAY...
Sky/weather.........Partly sunny (60-70 percent). Very small
chance for an afternoon sprinkle.
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....61-66.
Min humidity........35-40 percent.
Wind (20 ft)........
Slope/valley.......West winds around 5 mph shifting to the north
in the late morning and afternoon.
Mixing height.......3500 ft AGL.
Transport winds.....North 5 to 10 mph.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........71 71 71 66 66 66 56 56 56 60 60 60
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 5 5
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............47 47 48 49 51 52 53 56 60 61 63 63
RH..............80 80 77 72 73 71 67 58 52 45 41 41
20 FT wind dir..W W W N N N N N N N N N
20 FT wind spd..5 5 5 5 5 5 10 10 10 10 10 10
20 FT wind gust.10 10 10 15 15 15 15 15 15 15 15 15
Mix hgt (kft)...0.5 0.5 1.0 1.5 2.0 2.5 2.5 3.0 3.0 3.0 3.5 2.5
Transp wind dir.NW N N N N N N N N N N N
Transp wind spd.10 10 10 10 10 5 10 10 10 10 10 10
$$
Forecaster...Brusda
Requested by...Kyle Miller
Type of request...PRESCRIBED
.TAG 2621433.8/TFX
.DELDT 09/15/26
.FormatterVersion 2.0.0
.EMAIL kyle.a.miller@usda.gov