524
FNUS55 KTFX 040649
FWFTFX
FIRE WEATHER PLANNING FORECAST FOR NORTH-CENTRAL MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
1249 AM MDT TUE AUG 4 2026
DISCUSSION
IT WILL RAPIDLY WARM BACK UP THROUGH FRIDAY. CRITICALLY LOW RELATIVE
HUMIDITY IS EXPECTED EACH AFTERNOON THROUGH AT LEAST SATURDAY. EACH
NIGHT THROUGH SATURDAY NIGHT POOR HUMIDITY RECOVERY IS EXPECTED.
FRIDAY AFTERNOON/EVENING AN UPPER-LEVEL RIDGE WILL BREAK DOWN AND
BRING GUSTY WINDS TO THE DISTRICTS. THESE WINDS WILL LAST THROUGH
SATURDAY. -IG
MTZ112-042215-
EASTERN GLACIER/TOOLE/CENTRAL/EASTERN PONDERA/LIBERTY-
1249 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......72-77...65-70 HIGHER ELEVATIONS.
24 HR TREND......10 DEGREES UP.
* MIN HUMIDITY..........18-26 PERCENT.
24 HR TREND......15 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...WEST WINDS AROUND 5 MPH.
RIDGES.............WEST WINDS AROUND 5 MPH.
* MIXING HEIGHT.........BELOW 1000 FT AGL INCREASING TO 9500 FT
AGL.
* TRANSPORT WINDS.......WEST 10 TO 15 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......47-52.
24 HR TREND......8 DEGREES UP.
* MAX HUMIDITY..........46-56 PERCENT.
24 HR TREND......19 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHWEST WINDS 10 TO 15 MPH.
RIDGES.............SOUTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........8500-9500 FT AGL DECREASING TO 500-2000 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......SOUTHWEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......78-84...70-75 HIGHER ELEVATIONS.
24 HR TREND......7 DEGREES UP.
* MIN HUMIDITY..........17-26 PERCENT.
24 HR TREND......UNCHANGED.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHWEST WINDS 10 TO 15 MPH.
RIDGES.............NORTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........500-2000 FT AGL INCREASING TO 9500 FT AGL.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 80S. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
90S. NORTHWEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. WEST WINDS 20 TO 25 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
MTZ113-042215-
HILL AND BLAINE COUNTIES-
1249 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......73-78...65-70 HIGHER ELEVATIONS.
24 HR TREND......12 DEGREES UP.
* MIN HUMIDITY..........20-28 PERCENT.
24 HR TREND......12 PERCENT DOWN...17 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...WEST WINDS 10 TO 15 MPH.
RIDGES.............WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........500-1000 FT AGL INCREASING TO 9000-10000 FT
AGL.
* TRANSPORT WINDS.......WEST 20 TO 25 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......47-53.
24 HR TREND......7 DEGREES UP.
* MAX HUMIDITY..........51-61 PERCENT...41-50 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......47 PERCENT DOWN...16 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHWEST WINDS 10 TO 15 MPH.
RIDGES.............WEST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* MIXING HEIGHT.........8500-9500 FT AGL DECREASING TO 500-1500 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......SOUTHWEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......81-86...73-78 HIGHER ELEVATIONS.
24 HR TREND......7 DEGREES UP.
* MIN HUMIDITY..........17-24 PERCENT.
24 HR TREND......UNCHANGED.
* WIND (20 FT).
LOWER ELEVATIONS...WEST WINDS 10 TO 15 MPH.
RIDGES.............WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........500-2000 FT AGL INCREASING TO 10500-11000
FT AGL.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 80S. NORTHWEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
90S. EAST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. NORTH WINDS 15 TO 20 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S.
MTZ114-042215-
LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT-
ROCKY MOUNTAIN FRONT-
1249 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......72-77...59-69 HIGHER ELEVATIONS.
24 HR TREND......12 DEGREES UP.
* MIN HUMIDITY..........18-25 PERCENT...26-36 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......17 PERCENT DOWN...23 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO
THE SOUTHEAST IN THE AFTERNOON.
RIDGES.............SOUTH WINDS AROUND 5 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT.........BELOW 1000 FT AGL INCREASING TO 8000-9000
FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 10 TO 15 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......42-50.
24 HR TREND......6 DEGREES UP.
* MAX HUMIDITY..........48-58 PERCENT.
24 HR TREND......17 PERCENT DOWN...28 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS AROUND 5 MPH SHIFTING TO
THE WEST AFTER MIDNIGHT.
RIDGES.............WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........7500-9000 FT AGL DECREASING TO 500-2000 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......80-86...66-76 HIGHER ELEVATIONS.
24 HR TREND......7 DEGREES UP.
* MIN HUMIDITY..........14-20 PERCENT...20-30 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......2 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...WEST WINDS 10 TO 15 MPH.
RIDGES.............WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........500-1000 FT AGL INCREASING TO 10500-11000
FT AGL.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 80S.
WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 90.
WEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. WEST WINDS 20 TO 25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
MTZ115-042215-
CHOUTEAU AND FERGUS COUNTIES-
1249 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......72-78...64-70 HIGHER ELEVATIONS.
24 HR TREND......11 DEGREES UP.
* MIN HUMIDITY..........16-23 PERCENT.
24 HR TREND......15 PERCENT DOWN...24 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHWEST WINDS 10 TO 15 MPH SHIFTING TO
THE NORTHWEST IN THE AFTERNOON.
RIDGES.............WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT.........500-1000 FT AGL INCREASING TO 9000-9500 FT
AGL.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......47-53.
24 HR TREND......7 DEGREES UP.
* MAX HUMIDITY..........41-51 PERCENT.
24 HR TREND......27 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS AROUND 5 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
RIDGES.............NORTHEAST WINDS AROUND 5 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
* MIXING HEIGHT.........8000-9000 FT AGL DECREASING TO 500-1500 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......NORTH 15 TO 20 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* CWR...................0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......81-87...73-79 HIGHER ELEVATIONS.
24 HR TREND......8 DEGREES UP.
* MIN HUMIDITY..........13-20 PERCENT.
24 HR TREND......4 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...WEST WINDS 10 TO 15 MPH.
RIDGES.............WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........500-1000 FT AGL INCREASING TO 10000-10500
FT AGL.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
90S. WEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
90S. NORTHEAST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.
NORTHWEST WINDS 15 TO 20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 80S.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S.
MTZ116-118-042215-
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
1249 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY SMOKE.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......70-78...61-70 HIGHER ELEVATIONS.
24 HR TREND......10 DEGREES UP.
* MIN HUMIDITY..........20-30 PERCENT.
24 HR TREND......9 PERCENT DOWN...14 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
RIDGES.............EAST WINDS AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* MIXING HEIGHT.........500-1000 FT AGL INCREASING TO 7500-8500 FT
AGL.
* TRANSPORT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. PATCHY SMOKE IN THE EVENING.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......44-50.
24 HR TREND......5 DEGREES UP.
* MAX HUMIDITY..........53-63 PERCENT...45-54 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......17 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...NORTH WINDS AROUND 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
RIDGES.............NORTH WINDS 10 TO 15 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* MIXING HEIGHT.........6500-8000 FT AGL DECREASING TO 500-2000 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......NORTH 15 TO 20 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* CWR...................0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........SUNNY. PATCHY SMOKE IN THE AFTERNOON.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......77-86...68-77 HIGHER ELEVATIONS.
24 HR TREND......6 DEGREES UP.
* MIN HUMIDITY..........14-22 PERCENT.
24 HR TREND......9 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO
THE WEST IN THE AFTERNOON.
RIDGES.............WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT.........500-2000 FT AGL INCREASING TO 9000-10500 FT
AGL.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S.
WEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. SOUTHWEST WINDS 15 TO 20 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. WEST WINDS 20 TO 25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S.
MTZ117-042215-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
1249 AM MDT TUE AUG 4 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......70-79...61-69 HIGHER ELEVATIONS.
24 HR TREND......11 DEGREES UP.
* MIN HUMIDITY..........18-28 PERCENT.
24 HR TREND......13 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTH WINDS AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
RIDGES.............SOUTHEAST WINDS AROUND 5 MPH SHIFTING TO
THE NORTHWEST IN THE AFTERNOON.
* MIXING HEIGHT.........500-1500 FT AGL INCREASING TO 8500-9000 FT
AGL.
* TRANSPORT WINDS.......SOUTH 10 TO 15 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......42-50.
24 HR TREND......6 DEGREES UP.
* MAX HUMIDITY..........48-58 PERCENT.
24 HR TREND......11 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS 10 TO 15 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
RIDGES.............NORTHEAST WINDS 10 TO 15 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
* MIXING HEIGHT.........7000-8000 FT AGL DECREASING TO 500-1500 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......NORTHEAST 10 TO 15 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* CWR...................0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......77-87...68-78 HIGHER ELEVATIONS.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY..........14-21 PERCENT.
24 HR TREND......7 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...WEST WINDS 10 TO 15 MPH.
RIDGES.............WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........500-1000 FT AGL INCREASING TO 10500 FT AGL.
* TRANSPORT WINDS.......WEST 15 TO 20 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. WEST WINDS 15 TO 20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 90.
SOUTHWEST WINDS 20 TO 25 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. WEST WINDS 20 TO 25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S.
WEATHER.GOV/GREATFALLS
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