294
FNUS55 KTFX 120945
FWFTFX
FIRE WEATHER PLANNING FORECAST FOR NORTH-CENTRAL MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
345 AM MDT SAT SEP 12 2026
DISCUSSION
SOME PATCHY MORNING FOG IS POSSIBLE, ALONG WITH A FEW
LIGHT/ISOLATED AFTERNOON SHOWERS TODAY. OTHERWISE THERE IS A
CHANCE FOR AN ISOLATED THUNDERSTORM ON SUNDAY. AFTERNOON
TEMPERATURES WILL REMAIN A BIT BELOW NORMAL THE NEXT FEW DAYS, BUT
WARMER AND DRIER CONDITIONS IS EXPECTED BY LATE NEXT WEEK. BRUSDA
MTZ112-122300-
EASTERN GLACIER/TOOLE/CENTRAL/EASTERN PONDERA/LIBERTY-
345 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER...........CLOUDY THEN BECOMING PARTLY SUNNY. SLIGHT
CHANCE OF SHOWERS IN THE MORNING.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......49-56...42-48 HIGHER ELEVATIONS.
24 HR TREND......5 DEGREES DOWN.
* MIN HUMIDITY..........66-76 PERCENT...80-90 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......16 PERCENT UP.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 10 TO 15 MPH.
RIDGES.............EAST WINDS 5 TO 10 MPH.
* MIXING HEIGHT.........1500-3000 FT AGL INCREASING TO 3500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......35-40.
24 HR TREND......5 DEGREES DOWN.
* MAX HUMIDITY..........94-100 PERCENT.
24 HR TREND......UNCHANGED.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 10 TO 15 MPH.
RIDGES.............EAST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........2500-3500 FT AGL DECREASING TO 1000-1500 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR...................0 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. CHANCE OF SHOWERS.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......51-61...43-52 HIGHER ELEVATIONS.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY..........64-74 PERCENT...77-87 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......1 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHEAST WINDS 15 TO 20 MPH.
RIDGES.............SOUTHEAST WINDS 15 TO 20 MPH.
* MIXING HEIGHT.........1000-2500 FT AGL INCREASING TO 4500-5500 FT
AGL.
* TRANSPORT WINDS.......SOUTHEAST 25 TO 30 MPH.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY
VERY WINDY. MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 50S. WEST WINDS AROUND 35 MPH.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS AROUND 40.
HIGHS IN THE MID 50S. NORTH WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER
30S. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
60S.
MTZ113-122300-
HILL AND BLAINE COUNTIES-
345 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......54-59...45-50 HIGHER ELEVATIONS.
24 HR TREND......5 DEGREES DOWN.
* MIN HUMIDITY..........55-65 PERCENT...74-84 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......12 PERCENT UP.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS AROUND 5 MPH.
RIDGES.............NORTHEAST WINDS AROUND 5 MPH.
* MIXING HEIGHT.........500-2000 FT AGL INCREASING TO 3000-4500 FT
AGL LATE IN THE MORNING.
* TRANSPORT WINDS.......NORTHEAST 15 TO 20 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......35-41.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY..........88-98 PERCENT.
24 HR TREND......UNCHANGED.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 5 TO 10 MPH.
RIDGES.............EAST WINDS AROUND 5 MPH INCREASING TO
SOUTHEAST 15 TO 20 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........3000-4500 FT AGL DECREASING TO 500-1500 FT
AGL EARLY IN THE EVENING.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR...................0 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......61-66...54-59 HIGHER ELEVATIONS.
24 HR TREND......6 DEGREES UP.
* MIN HUMIDITY..........44-54 PERCENT...57-67 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......4 PERCENT DOWN...16 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHEAST WINDS 20 TO 25 MPH.
RIDGES.............SOUTHEAST WINDS 20 TO 25 MPH.
* MIXING HEIGHT.........500-1500 FT AGL INCREASING TO 4500-5500 FT
AGL.
* TRANSPORT WINDS.......SOUTHEAST 30 TO 35 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY
WINDY. MOSTLY CLOUDY. SHOWERS. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 50S. WEST WINDS AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.
NORTH WINDS 20 TO 25 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS AROUND 40.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 60S.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
MTZ114-122300-
LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT-
ROCKY MOUNTAIN FRONT-
345 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......50-56...40-49 HIGHER ELEVATIONS.
24 HR TREND......2 DEGREES DOWN.
* MIN HUMIDITY..........69-79 PERCENT...83-93 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......13 PERCENT UP.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS 10 TO 15 MPH.
RIDGES.............EAST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........1500-3000 FT AGL.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR...................10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......35-42.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY..........91-100 PERCENT.
24 HR TREND......UNCHANGED.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS 10 TO 20 MPH.
RIDGES.............EAST WINDS 10 TO 20 MPH.
* MIXING HEIGHT.........1500-3000 FT AGL DECREASING TO 1000 FT AGL
EARLY IN THE MORNING.
* TRANSPORT WINDS.......EAST 20 TO 25 MPH.
* CWR...................0 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN
THE MORNING. CHANCE OF SHOWERS IN THE AFTERNOON.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......53-62...43-53 HIGHER ELEVATIONS.
24 HR TREND......5 DEGREES UP...UNCHANGED HIGHER ELEVATIONS.
* MIN HUMIDITY..........61-71 PERCENT...79-89 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......8 PERCENT DOWN...UNCHANGED HIGHER ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS 15 TO 20 MPH SHIFTING TO
THE NORTHWEST IN THE AFTERNOON.
RIDGES.............EAST WINDS 20 TO 25 MPH BECOMING SOUTHWEST
10 TO 15 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........1000-2500 FT AGL INCREASING TO 3000-4500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS.......EAST AROUND 25 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY
VERY WINDY. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS
AROUND 40. HIGHS IN THE MID 50S. WEST WINDS AROUND 35 MPH.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER
30S. HIGHS IN THE MID 50S. NORTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 30S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 60S.
MTZ115-122300-
CHOUTEAU AND FERGUS COUNTIES-
345 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......55-60...47-57 HIGHER ELEVATIONS.
24 HR TREND......3 DEGREES DOWN...3 DEGREES UP HIGHER
ELEVATIONS.
* MIN HUMIDITY..........57-67 PERCENT.
24 HR TREND......10 PERCENT UP...3 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 5 TO 10 MPH.
RIDGES.............EAST WINDS 5 TO 10 MPH.
* MIXING HEIGHT.........1000-2500 FT AGL INCREASING TO 3500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......38-43.
24 HR TREND......1 DEGREE DOWN.
* MAX HUMIDITY..........86-96 PERCENT.
24 HR TREND......UNCHANGED...5 PERCENT UP HIGHER ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 10 TO 15 MPH.
RIDGES.............EAST WINDS 10 TO 15 MPH.
* MIXING HEIGHT.........1500-3000 FT AGL DECREASING TO 1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR...................0 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......63-69...57-64 HIGHER ELEVATIONS.
24 HR TREND......11 DEGREES UP.
* MIN HUMIDITY..........42-52 PERCENT.
24 HR TREND......17 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...SOUTHEAST WINDS 20 TO 25 MPH.
RIDGES.............SOUTHEAST WINDS 20 TO 25 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL INCREASING TO 5000-5500 FT
AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 30 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY
VERY WINDY. MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 60. WEST WINDS
AROUND 35 MPH.
TUESDAY
WINDY. PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN
THE LOWER 60S. EAST WINDS AROUND 25 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S.
MTZ116-118-122300-
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
345 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......58-68...48-58 HIGHER ELEVATIONS.
24 HR TREND......UNCHANGED.
* MIN HUMIDITY..........46-56 PERCENT...57-67 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......2 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS 10 TO 15 MPH.
RIDGES.............SOUTHEAST WINDS 10 TO 15 MPH SHIFTING TO
THE NORTH IN THE AFTERNOON.
* MIXING HEIGHT.........1000-2000 FT AGL INCREASING TO 3000-4000 FT
AGL LATE IN THE MORNING.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH SHIFTING TO THE NORTHWEST
IN THE AFTERNOON.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......36-43.
24 HR TREND......4 DEGREES DOWN...1 DEGREE UP HIGHER ELEVATIONS.
* MAX HUMIDITY..........89-99 PERCENT.
24 HR TREND......UNCHANGED.
* WIND (20 FT).
LOWER ELEVATIONS...NORTHEAST WINDS 20 TO 25 MPH.
RIDGES.............WINDY. NORTHEAST WINDS 20 TO 25 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT.
* MIXING HEIGHT.........1000-2500 FT AGL DECREASING TO 500-1000 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS.......NORTHEAST 25 TO 30 MPH.
* CWR...................0 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY. CHANCE OF SHOWERS IN THE
AFTERNOON.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......63-73...53-63 HIGHER ELEVATIONS.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY..........37-47 PERCENT...53-63 PERCENT HIGHER
ELEVATIONS.
24 HR TREND......2 PERCENT DOWN.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 15 TO 20 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
RIDGES.............SOUTHEAST WINDS 20 TO 25 MPH BECOMING
SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........500-2000 FT AGL INCREASING TO 8500 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 25 MPH INCREASING TO SOUTHWEST
AROUND 35 MPH IN THE AFTERNOON.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY
WINDY. MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 50S.
WEST WINDS AROUND 30 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. NORTHWEST WINDS 15 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 30S. HIGHS AROUND 60. NORTH WINDS 15 TO 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 70.
MTZ117-122300-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
345 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......55-62...48-57 HIGHER ELEVATIONS.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY..........55-65 PERCENT.
24 HR TREND......6 PERCENT DOWN...11 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 10 TO 15 MPH.
RIDGES.............SOUTHEAST WINDS 10 TO 15 MPH SHIFTING TO
THE SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT.........1500-3000 FT AGL INCREASING TO 3500-4500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS.......EAST 15 TO 20 MPH.
* CWR...................0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0 PERCENT.
* MIN TEMPERATURE.......35-41.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY..........89-99 PERCENT.
24 HR TREND......UNCHANGED.
* WIND (20 FT).
LOWER ELEVATIONS...EAST WINDS 20 TO 25 MPH.
RIDGES.............WINDY. EAST WINDS 15 TO 20 MPH INCREASING
TO SOUTHEAST AROUND 25 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........1000-2500 FT AGL.
* TRANSPORT WINDS.......EAST 25 TO 30 MPH.
* CWR...................0 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
* CHANCE LIGHTNING.......0 PERCENT.
* MAX TEMPERATURE.......62-68...55-64 HIGHER ELEVATIONS.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY..........43-53 PERCENT.
24 HR TREND......18 PERCENT DOWN...13 PERCENT DOWN HIGHER
ELEVATIONS.
* WIND (20 FT).
LOWER ELEVATIONS...WINDY. SOUTHEAST WINDS AROUND 25 MPH.
RIDGES.............WINDY. SOUTHEAST WINDS 20 TO 25 MPH.
* MIXING HEIGHT.........1000-2500 FT AGL INCREASING TO 5000-6000 FT
AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 30 MPH.
* CWR...................0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
MONDAY
VERY WINDY. MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 50S. WEST WINDS
AROUND 40 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 20 TO 25 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER
30S. HIGHS IN THE UPPER 50S. NORTH WINDS 15 TO 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
WEATHER.GOV/GREATFALLS
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