556
FNUS75 KTFX 300336
FWSTFX
SPOT FORECAST FOR 72 BENCH...USWFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
936 PM MDT WED JUL 29 2026
FORECAST IS BASED ON FORECAST START TIME OF 2200 MDT ON JULY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...
DISCUSSION
REST OF TONIGHT
UPPER LEVEL RIDGING WILL CONTINUE TO DOMINATE THROUGH SATURDAY,
WITH HOT AND DRY CONDITIONS EXPECTED TO PERSIST BENEATH THE RIDGE.
WHILE AN ISOLATED SHOWER OR THUNDERSTORM CAN'T BE RULED OUT ON
THURSDAY, ESPECIALLY DURING THE LATE EVENING HOURS, THE
PROBABILITY FOR WETTING RAINFALL FROM THESE SHOWERS IS VERY LOW.
BIGGEST IMPACT FROM ANY SHOWER ACTIVITY ON THURSDAY WILL BE GUSTY
AND ERRATIC OUTFLOW WINDS. WINDS BEGIN TO INCREASE ON SATURDAY
AHEAD OF POTENT COLD FRONT AND RIDGE BREAKDOWN, WITH HIGH
TEMPERATURES ON SATURDAY PEAKING NEAR 105 DEGREES. ELEVATED TO
NEAR CRITICAL FIRE WEATHER CONDITIONS ARE THEN EXPECTED AS THE
RIDGE BREAKS DOWN LATE SATURDAY AND INTO SUNDAY, WITH A WIND
SHIFT FROM THE SOUTHWEST TO NORTH EXPECTED IN WAKE OF THE COLD
FRONT.
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). AREAS OF SMOKE
THROUGH THE NIGHT.
CWR.................5 PERCENT.
CHANCE OF THUNDER...7 PERCENT.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......DOWNSLOPE/DOWNVALLEY WINDS 2 TO 5 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
TIME (MDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........83 77 58 59 55 57 63 64
WEATHER COV.....ARS PTY ARS ARS ARS PTY PTY
WEATHER TYPE....SMK SMK SMK SMK SMK SMK SMK
TSTM COV........
CWR.............10 10 0 0 0 0 0 0
CHC OF THDR (%).10 10 0 0 0 0 0 0
TEMP............75 73 71 68 67 65 64 63
RH..............40 42 46 51 53 56 57 60
20 FT WIND DIR..SE SE SE S S S S S
20 FT WIND SPD..5 5 5 5 5 5 5 5
20 FT WIND GUST.10 10 10 10 10 10 10 10
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.S SE S S S S S S
TRANSP WIND SPD.10 10 10 10 10 10 15 15
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). AREAS OF SMOKE. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CWR.................5 PERCENT.
CHANCE OF THUNDER...16 PERCENT.
MAX TEMPERATURE.....92-97.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......UPSLOPE/UPVALLEY WINDS OF 3 TO 8 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE AFTERNOON.
MIXING HEIGHT.......10000 FT AGL INCREASING TO 11500 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH SHIFTING TO THE WEST IN
THE LATE MORNING AND AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 33 21 7 4 7 4 4 6 28 13 16
WEATHER COV..... PTY PTY PTY PTY ARS ARS ARS ARS
WEATHER TYPE.... SMK SMK SMK SMK SMK SMK SMK SMK
TSTM COV........ SCH
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 20 10 10
TEMP............61 64 67 72 80 84 87 89 92 92 92 93
RH..............62 58 52 44 36 31 27 24 22 21 20 19
20 FT WIND DIR..S S S SW NW N N N N NW NW NW
20 FT WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5
20 FT WIND GUST.10 10 10 10 10 10 10 10 15 15 15
MIX HGT (KFT)...0.5 0.5 0.5 1.0 2.5 3.5 6.0 8.5 10 11 12 9.5
TRANSP WIND DIR.S S SW SW NW NW NW W W W W W
TRANSP WIND SPD.10 10 10 5 5 5 10 10 10 10 10 10
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). PATCHY SMOKE.
SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT.
CWR.................5 PERCENT.
CHANCE OF THUNDER...12 PERCENT.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE EAST
EARLY IN THE EVENING, THEN SHIFTING TO THE
SOUTH IN THE LATE EVENING AND OVERNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........43 43 43 45 45 45 70 70 70 77 77 77
WEATHER COV.....ARS ARS ARS ARS ARS SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....SMK SMK SMK SMK SMK RW RW RW RW RW RW RW
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
CHC OF THDR (%).10 10 10 10 10 10 0 0 0 0 0 0
TEMP............92 91 87 79 75 74 71 68 67 66 65 64
RH..............21 23 29 35 42 44 49 55 55 57 57 60
20 FT WIND DIR..SE SE SE SE SE SE S S S S S S
20 FT WIND SPD..5 5 5 10 10 10 10 10 10 10 10 10
20 FT WIND GUST.15 15 15 15 15 15 15 15 15 15 15 15
MIX HGT (KFT)...7.5 4.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SW E SE E S S SW SW SW S S SW
TRANSP WIND SPD.10 5 10 10 10 10 10 10 10 10 10 10
FRIDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). PATCHY SMOKE EARLY IN
THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....94-99.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......UPSLOPE/UPVALLEY WINDS OF 3 TO 8 MPH.
MIXING HEIGHT.......10000 FT AGL INCREASING TO 10500 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE WEST IN
THE LATE MORNING AND AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........46 46 46 20 20 20 3 3 3 3 3 3
WEATHER COV.....PTY
WEATHER TYPE....SMK
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............61 65 68 73 78 84 88 91 93 94 95 96
RH..............60 56 49 41 34 27 22 19 18 18 16 16
20 FT WIND DIR..S S S W W W NW NW NW N N N
20 FT WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5
20 FT WIND GUST.10 10 10 10 10 10 15 15 15 15 15 15
MIX HGT (KFT)...0.5 0.5 0.5 1.0 2.5 4.5 6.5 8.0 9.5 10 11 11
TRANSP WIND DIR.S S SW W W W W W W W W W
TRANSP WIND SPD.10 10 10 10 10 10 10 10 10 10 10 10
FORECASTER...MOLDAN
REQUESTED BY...JAMES MATHISON
TYPE OF REQUEST...WILDFIRE
.TAG 2618627.0/TFX
.DELDT 07/29/26
.FORMATTERVERSION 2.0.0
.EMAIL MTLEC@FIRENET.GOV, TFX.OPS@NOAA.GOV
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