286
FNUS75 KTFX 291127
FWSTFX

Spot Forecast for Kelly Gulch Rx...HIDC
National Weather Service Great Falls MT
527 AM MDT Tue Sep 29 2026

Forecast is based on ignition time of 0600 MDT on September 29.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
It will be mostly cloudy this morning, but still mild and a bit
breezy this afternoon. A bit cooler air is expected for Wed/Thu
before mild air returns over the weekend. Very little to no
precipitation is expected for the next several days. Wind speeds
might be a bit breezy on Friday.

.TODAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny by late afternoon (20-30 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....69-74.
Min humidity........25-30 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds around 5 mph with gusts to
                    around 20 mph increasing to west around 15 mph
                    with gusts to around 30 mph in the afternoon.
Mixing height.......5000 ft AGL.
Transport winds.....South 5 to 10 mph increasing to west 15 to 20
                    mph late in the morning.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........84  84  84  84  84  84  84  80  70  55  35  15
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  50  51  55  59  63  65  67  68  69  70  69
RH..............44  44  43  40  46  38  31  31  30  30  30  31
20 FT wind dir..SW  S   S   S   SW  SW  SW  SW  W   W   W   W
20 FT wind spd..5   5   5   5   5   5   5   15  15  15  15  15
20 FT wind gust.10  10  10  10  15  15  20  30  30  30  30  30
Mix hgt (kft)...0.5 0.5 0.5 0.5 1.5 2.5 3.0 3.5 4.0 4.5 5.0 4.5
Transp wind dir.S   S   S   S   SW  W   W   W   W   W   W   W
Transp wind spd.5   5   5   5   10  15  15  15  20  20  20  20

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....46-51.
Max humidity........69-74 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph with gusts to around 25
                    mph becoming light.
Mixing height.......500 ft AGL.
Transport winds.....West around 20 mph decreasing to 5 to 10 mph.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........14  20  22  20  35  26  23  31  43  43  44  37
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............68  65  60  58  56  55  54  52  52  51  50  49
RH..............34  41  47  51  54  56  59  62  65  66  69  71
20 FT wind dir..W   W   NW  NW  NW  W   NW  NW  W   W   W   W
20 FT wind spd..10  5   5   5   5   5   5   5   5   5   5   0
20 FT wind gust.25  20  15  20  15  15  15  15  10  10  10  10
Mix hgt (kft)...3.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.W   NW  W   W   W   W   W   W   W   W   W   W
Transp wind spd.20  10  10  10  10  10  10  10  10  10  10  5

.WEDNESDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....65-70.
Min humidity........32-37 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 5 to 10 mph with
                    gusts to around 25 mph in the late morning and
                    afternoon.
Mixing height.......6000 ft AGL.
Transport winds.....West 5 to 10 mph increasing to 15 to 20 mph in
                    the late morning and afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........44  44  44  40  40  40  27  27  27  33  33  33
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............49  48  50  54  58  61  62  64  65  65  66  65
RH..............74  74  72  64  60  55  50  47  43  40  38  37
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..0   0   0   5   5   5   10  10  10  10  10  10
20 FT wind gust.10  10  10  20  20  20  25  25  25  25  25  25
Mix hgt (kft)...0.5 0.5 1.0 1.0 2.5 3.5 5.0 5.0 5.5 6.0 6.0 6.0
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.5   5   5   10  15  15  15  15  15  20  20  20

$$
Forecaster...Brusda
Requested by...Marquardt
Type of request...PRESCRIBED
.TAG 2622535.3/TFX
.DELDT 09/29/26
.FormatterVersion 2.0.0
.EMAIL philip.quigley@usda.gov,william.menning@usda.gov,kyle.marquardt@usda.gov,kyle.a.miller@usda.gov,mthdc@firenet.gov