Spot Forecast
Issued by NWS Great Falls, MT

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FNUS75 KTFX 252053
FWSTFX

Spot Forecast for North Fork...HIDC
National Weather Service Great Falls MT
253 PM MDT Mon Aug 25 2025

Forecast is based on forecast start time of 1400 MDT on August 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Winds through the rest of the day will remain generally less than
10 mph with max wind gusts expected to less than 15 mph. Overnight
winds will become light and variable with Tuesday repeating a similar
pattern to today.

Precipitation chances will remain less than 10% through Wednesday
afternoon with a 20% chance of a shower Wednesday afternoon. Wetter
conditions are expected to arrive Thursday and Friday as the monsoonal
moisture tracks further north.


.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....86-91.
Min humidity........13-18 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 10 mph.
 Ridgetop...........Northeast 5 to 10 mph.
Mixing height.......8500 ft AGL.
Transport winds.....Northeast 5 to 10 mph.

TIME (MDT)      2PM 3PM 4PM 5PM
Sky (%).........16  22  45  36
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0
Chc of thdr (%).0   0   0   0
Temp............85  87  88  87
RH..............24  21  19  19
20 FT wind dir..NE  NE  NE  NE
20 FT wind spd..5   5   10  10
20 FT wind gust.15  15  15  15
Ridge wind dir..E   NE  NE  NE
Ridge wind spd..0   5   5   5
Mix hgt (kft)...7.5 8.5 8.0 8.0
Transp wind dir.NE  NE  NE  E
Transp wind spd.5   5   10  10

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (50-60 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....51-56.
Max humidity........52-57 percent.
Wind (20 ft)........
 Slope/valley.......Northeast winds 5 to 10 mph in the evening
                    becoming light.
 Ridgetop...........East 10 to 15 mph shifting to the southeast 5
                    to 10 mph late in the evening.
Mixing height.......1000 ft AGL.
Transport winds.....East 10 to 15 mph shifting to the southeast 5
                    to 10 mph overnight.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........39  41  32  32  45  46  47  47  37  39  47  53
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............87  85  79  75  72  68  65  61  60  57  55  55
RH..............18  19  23  27  31  35  40  45  48  50  54  55
20 FT wind dir..NE  NE  NE  NE  NE  NE  W   E   S   S   S   S
20 FT wind spd..10  10  10  5   5   5   0   0   0   0   0   0
20 FT wind gust.15  15  15  15  10      5   5   5
Ridge wind dir..NE  NE  E   E   E   E   SE  SE  SE  SE  SE  SE
Ridge wind spd..10  10  15  15  10  10  5   5   5   5   5   5
Mix hgt (kft)...7.0 5.0 1.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Transp wind dir.E   NE  NE  E   E   E   SE  SE  S   S   S   S
Transp wind spd.10  15  10  10  10  10  10  5   5   5   5   5

.TUESDAY...

Sky/weather.........Mostly sunny (35-45 percent).
CWR.................0 percent.
Chance of thunder...1 percent.
Max temperature.....88-93.
Min humidity........13-18 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming north 5 to 10 mph in the
                    afternoon.
 Ridgetop...........Southeast around 5 to 10 mph shifting to the
                    northeast late in the afternoon.
Mixing height.......7000 ft AGL.
Transport winds.....Southeast around 5 to 10 mph shifting to the
                    northeast in the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........47  62  56  36  28  22  32  43  45  32  39  35
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............53  55  57  63  72  78  82  86  87  88  90  88
RH..............56  56  51  44  35  28  24  21  21  19  18  18
20 FT wind dir..S   S   S   W   NW  NW  N   N   N   NE  NE  NE
20 FT wind spd..0   0   0   0   0   0   5   5   5   5   10  10
20 FT wind gust.            5   5   5   10  10  15  15  15  15
Ridge wind dir..SE  SE  SE  SE  SE  S   S   SE  E   E   E   NE
Ridge wind spd..5   5   5   5   5   5   5   5   5   5   5   10
Mix hgt (kft)...1.0 1.0 1.0 1.0 2.0 3.0 3.5 5.0 6.0 7.0 6.5 6.0
Transp wind dir.S   S   S   S   SE  E   E   E   NE  NE  NE  NE
Transp wind spd.5   5   5   5   5   5   5   5   5   10  10  10

$$
Forecaster...Glinskas
Requested by...Zack
Type of request...WILDFIRE
.TAG 2520663.0/TFX
.DELDT 08/25/25
.FormatterVersion 2.0.0
.EMAIL mthdc@firenet.gov, tfx.ops@noaa.gov