283
FNUS75 KTFX 231110
FWSTFX

Spot Forecast for Gill Gulch Fire...USFS
National Weather Service Great Falls MT
510 AM MDT Sat Aug 23 2025

Forecast is based on forecast start time of 0600 MDT on August 23.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Generally mostly clear skies and light winds will prevail over the
burn area for the next few days, along with seasonable August
temperatures. The next chance for precipitation looks to be
towards the middle of next week. Brusda

.TODAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....72-77.
Min humidity........20-25 percent.
Wind (20 ft)........
 Slope/valley.......Upslope winds 4 to 8 mph.
Mixing height.......5000 ft AGL.
Transport winds.....East around 5 mph shifting to the northeast in
                    the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   19  11  7   3   7   5   8   9   20  20  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............48  47  50  53  58  62  66  68  70  72  74  73
RH..............66  66  62  56  47  41  37  35  31  25  22  23
20 FT wind dir..E   E   E   E   NE  E   NE  NE  NE  NE  NE  NE
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   10  10
20 FT wind gust.15  10  10  10  10  10  10  15  15  15  15  15
Ridge wind dir..SW  SW  SW  SW  S   SE  E   E   NE  NE  NE  NE
Ridge wind spd..5   5   5   5   0   0   0   0   0   0   5   10
Mix hgt (kft)...0.1 0.1 0.1 0.1 1.0 2.0 2.5 3.5 4.0 5.0 4.5 4.0
Transp wind dir.E   E   E   E   E   E   E   NE  NE  NE  NE  E
Transp wind spd.5   5   5   5   5   5   5   5   5   10  10  10

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....48-53.
Max humidity........60-65 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds around 10 mph shifting to the
                    east after 3 am.
 Ridgetop...........Northeast 10 to 15 mph shifting to the
                    southeast after 3 am.
Mixing height.......300 ft AGL.
Transport winds.....East 10 to 15 mph.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........28  53  51  52  57  44  38  34  32  33  32  41
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............70  69  66  61  58  57  55  55  53  52  51  51
RH..............30  32  37  43  47  50  53  53  57  59  61  60
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  E   E   E   E   E
20 FT wind spd..10  10  10  10  10  10  10  10  10  10  10  10
20 FT wind gust.20  20  20  20  20  20  20  15  15  15  15  15
Ridge wind dir..NE  NE  NE  NE  NE  E   E   E   E   E   SE  SE
Ridge wind spd..10  15  15  15  20  15  15  15  15  10  10  10
Mix hgt (kft)...3.0 2.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.E   E   E   NE  NE  E   E   E   E   E   E   E
Transp wind spd.10  15  15  15  15  15  15  10  10  10  10  10

.SUNDAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....73-78.
Min humidity........21-26 percent.
Wind (20 ft)........
 Slope/valley.......East winds 4 to 8 mph.
 Ridgetop...........East at 5 to 10 mph.
Mixing height.......5500 ft AGL.
Transport winds.....East 5 to 10 mph shifting to the northeast late
                    in the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........38  48  50  39  48  43  38  38  38  36  36  36
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  52  55  60  63  66  69  71  73  74  75
RH..............62  62  59  53  47  41  38  35  31  26  22  23
20 FT wind dir..E   E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.15  15  15  10  10  10  15  15  15  15  15  15
Ridge wind dir..SE  SE  E   E   E   E   E   N   E   NE  NE  NE
Ridge wind spd..5   5   5   5   5   6   6   7   7   7   5   5
Mix hgt (kft)...0.1 0.1 0.1 0.1 1.0 2.0 2.5 3.5 4.5 5.0 5.5 5.0
Transp wind dir.E   E   E   E   SE  SE  E   NE  NE  N   NE  NE
Transp wind spd.10  5   5   5   5   5   5   5   5   5   5   10

$$
Forecaster...Brusda
Requested by...Hannah Pinkerton
Type of request...WILDFIRE
.TAG 2519519.14/TFX
.DELDT 08/23/25
.FormatterVersion 2.0.0
.EMAIL jarel.kurtz@usda.gov,hannah.pinkerton@usda.gov,jason.l.gilbert@usda.gov,todd.a.burbridge@usda.gov,nicholas.boucher@usda.gov