608
FPUS55 KTFX 150833
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
232 AM MDT MON SEP 15 2025
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND TUESDAY.
MTZ301-152200-
EAST GLACIER PARK REGION-
INCLUDING EAST GLACIER PARK, KIOWA, BABB, SAINT MARY,
MARIAS PASS, AND LOGAN PASS
232 AM MDT MON SEP 15 2025
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 50 TO 60. WEST WINDS 5 TO 15 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 45 TO 50. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
WARMER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
IN THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 60 TO
70. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. SOUTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 65 TO 75. SOUTHWEST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 45 TO 50.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 65 TO 75. LOWS
45 TO 50.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 65 TO 75. LOWS
45 TO 50.
SATURDAY
SUNNY. HIGHS 65 TO 75.
SATURDAY NIGHT AND SUNDAY
BREEZY. PARTLY CLOUDY. LOWS AROUND
50. HIGHS 60 TO 70.
MTZ307-152200-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING ROGERS PASS
232 AM MDT MON SEP 15 2025
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 50 TO 60. WEST WINDS
5 TO 15 MPH. CHANCE OF RAIN 50 PERCENT.
TONIGHT
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS 40 TO 45. NORTHWEST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 60 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN. HIGHS 55 TO 65. NORTH WINDS
UP TO 5 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
WARMER, SUNNY. HIGHS 65 TO 75. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 40 TO 50. HIGHS 65 TO
75.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
FRIDAY THROUGH SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 65 TO 75.
LOWS 45 TO 50.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
60 TO 70.
MTZ302-152200-
NORTHERN HIGH PLAINS-
INCLUDING BROWNING, HEART BUTTE, AND DUPUYER
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 65. WEST WINDS 10 TO
15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 45 TO 50. NORTHWEST WINDS 5 TO
15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE
MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS AROUND 70. NORTHWEST
WINDS 5 TO 10 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS AROUND 75. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS AROUND 75.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 75. LOWS
45 TO 50.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
70 TO 75.
MTZ308-152200-
SOUTHERN HIGH PLAINS-
INCLUDING BYNUM, CHOTEAU, AND PENDROY
232 AM MDT MON SEP 15 2025
TODAY
COOLER. PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN. HIGHS 65 TO 70. WEST
WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 50. NORTHWEST WINDS 5 TO
15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 70 TO 75. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. EAST WINDS UP TO
5 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS 75 TO 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. HIGHS 75 TO 85. LOWS
50 TO 55.
MTZ303-152200-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING CUT BANK, ETHRIDGE, AND SANTA RITA
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 70. NORTHWEST WINDS
10 TO 20 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50.
NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE
MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 70 TO 75. NORTH WINDS
5 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45. EAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTH WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
THURSDAY
SUNNY. HIGHS 75 TO 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 75 TO 80. LOWS
AROUND 45.
SATURDAY
SUNNY. HIGHS 80 TO 85.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS
75 TO 80.
TEMPERATURE / PRECIPITATION
CUT BANK 68 49 73 / 30 30 20
MTZ304-152200-
EASTERN TOOLE AND LIBERTY-
INCLUDING DEVON, SHELBY, CHESTER, GALATA, JOPLIN, LOTHAIR,
AND WHITLASH
232 AM MDT MON SEP 15 2025
TODAY
NOT AS WARM. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 70 TO 75. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 50 TO
55. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE
MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 70 TO 75. NORTH WINDS
5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTHEAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS 75 TO 80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 80 TO 85.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
AROUND 80.
MTZ305-152200-
HILL COUNTY-
INCLUDING HAVRE
232 AM MDT MON SEP 15 2025
TODAY
NOT AS WARM. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
IN THE AFTERNOON. HIGHS IN THE MID 70S. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 50 TO
55. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH
A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45. NORTHEAST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. EAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS 75 TO 80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS AROUND 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SUNDAY
SUNNY. HIGHS AROUND 80.
TEMPERATURE / PRECIPITATION
HAVRE 76 52 77 / 10 20 20
MTZ306-152200-
NORTHERN BLAINE COUNTY-
INCLUDING CHINOOK, ZURICH, HARLEM, HOGELAND, AND FORT BELKNAP
232 AM MDT MON SEP 15 2025
TODAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. WEST WINDS 5 TO
15 MPH.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND
50. NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH
A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID
70S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45. NORTHEAST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 75. EAST WINDS UP TO 5 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50.
HIGHS AROUND 75.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SUNDAY
SUNNY. HIGHS AROUND 80.
MTZ309-152200-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING BRADY, CONRAD, AND LEDGER
232 AM MDT MON SEP 15 2025
TODAY
NOT AS WARM. PARTLY CLOUDY IN THE MORNING, THEN MOSTLY
CLOUDY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 70 TO 75. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. LOWS AROUND 50. NORTHWEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN. HIGHS IN THE MID 70S. NORTH
WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45. NORTHEAST WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
THURSDAY
SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 80. LOWS
45 TO 50.
SATURDAY
SUNNY. HIGHS 80 TO 85.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS
80 TO 85.
MTZ310-152200-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING FLOWEREE, CARTER, AND FORT BENTON
232 AM MDT MON SEP 15 2025
TODAY
NOT AS WARM. PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
IN THE AFTERNOON. HIGHS IN THE MID 70S. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 50 TO 55. WEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 70S. WEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. NORTHEAST WINDS UP
TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
AROUND 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SATURDAY
SUNNY. HIGHS 80 TO 85.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
80 TO 85.
MTZ311-152200-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING ROCKY BOY
232 AM MDT MON SEP 15 2025
TODAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
MORNING. HIGHS 70 TO 75. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS 50 TO 55. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO
75. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 55. NORTH WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 70 TO 80. SOUTHEAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS 70 TO 80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS
75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
75 TO 85.
MTZ312-152200-
CASCADE COUNTY BELOW 5000FT-
INCLUDING GREAT FALLS
232 AM MDT MON SEP 15 2025
TODAY
NOT AS WARM. PARTLY CLOUDY IN THE MORNING, THEN MOSTLY
CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS
70 TO 75. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 50 TO 55. WEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO
75. WEST WINDS UP TO 10 MPH SHIFTING TO THE NORTH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
CLEAR. LOWS 45 TO 50.
HIGHS 75 TO 80.
FRIDAY
SUNNY. HIGHS AROUND 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SATURDAY
SUNNY. HIGHS 80 TO 85.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
80 TO 85.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 72 52 73 / 40 60 20
MTZ313-152200-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING RAYNESFORD, GEYSER, STANFORD, WINDHAM, BENCHLAND,
HOBSON, AND MOCCASIN
232 AM MDT MON SEP 15 2025
TODAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 75. NORTHWEST
WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50.
WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 60 PERCENT.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 70. NORTHWEST WINDS 5 TO 10 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS 45 TO 50. NORTHEAST WINDS UP TO 10 MPH SHIFTING
TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 70 TO 75. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY AND THURSDAY NIGHT
CLEAR. HIGHS AROUND 75. LOWS 45 TO
50.
FRIDAY
SUNNY. HIGHS AROUND 75.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SATURDAY
SUNNY. HIGHS AROUND 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
75 TO 80.
MTZ314-152200-
FERGUS COUNTY BELOW 4500FT-
INCLUDING HILGER AND LEWISTOWN
232 AM MDT MON SEP 15 2025
TODAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 70 TO 80. WEST WINDS 10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS 50 TO 55. WEST WINDS 5 TO
15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 70 TO 75. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS 50 TO 55. NORTH WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY
SUNNY. HIGHS 75 TO 80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SATURDAY
SUNNY. HIGHS 80 TO 85.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS
80 TO 85.
TEMPERATURE / PRECIPITATION
LEWISTOWN 71 48 69 / 30 60 60
MTZ315-152200-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING MARYSVILLE, LINCOLN, FLESHER PASS, AND MACDONALD PASS
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. SLIGHT
CHANCE OF RAIN IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO 60.
WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 40 TO 50. WEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
WARMER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
RAIN. HIGHS 60 TO 70. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 65 TO 75. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 45 TO 50. HIGHS 70 TO
80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
70 TO 75.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 70 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 55.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
65 TO 75.
MTZ316-152200-
GATES OF THE MOUNTAINS-
INCLUDING CANYON CREEK, WOLF CREEK, AND CRAIG
232 AM MDT MON SEP 15 2025
TODAY
COOLER. PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY
WITH A 50 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 65 TO
70. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 50. WEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO
70. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE NORTH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
WARMER, SUNNY. HIGHS 70 TO 80. SOUTH WINDS UP TO
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
CLEAR. LOWS 45 TO 50.
HIGHS 75 TO 80.
FRIDAY
SUNNY. HIGHS 75 TO 80.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55.
HIGHS 75 TO 80.
MTZ317-152200-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING MONARCH, NEIHART, AND KINGS HILL PASS
232 AM MDT MON SEP 15 2025
TODAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 65. WEST WINDS
5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 45 TO 50. WEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 60 TO 65. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 65 TO 70. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY AND THURSDAY NIGHT
CLEAR. HIGHS 65 TO 75. LOWS 45 TO
50.
FRIDAY
SUNNY. HIGHS 65 TO 75.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO
55. HIGHS 70 TO 75.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
65 TO 75.
MTZ318-152200-
SNOWY AND JUDITH MOUNTAINS-
232 AM MDT MON SEP 15 2025
TODAY
SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 60 TO 70. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. LOWS 45 TO 50. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 65.
NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 45 TO 50. NORTH WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS 65 TO 70. SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE EAST
IN THE AFTERNOON.
WEDNESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50.
HIGHS 65 TO 75.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 70 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
70 TO 75.
MTZ319-152200-
HELENA VALLEY-
INCLUDING HELENA
232 AM MDT MON SEP 15 2025
TODAY
COOLER. PATCHY FOG IN THE MORNING. PARTLY CLOUDY IN THE
MORNING, THEN MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. WEST WINDS 5 TO
10 MPH.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 45 TO 50. WEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 40 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 70 TO 75. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON. CHANCE
OF RAIN 40 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. NORTHEAST WINDS
5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 80. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 45 TO 50. HIGHS
AROUND 80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS
AROUND 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 80 TO 85.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
AROUND 80.
TEMPERATURE / PRECIPITATION
HELENA 69 50 73 / 30 30 30
MTZ320-152200-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING TRIDENT, MAUDLOW, BATTLE RIDGE PASS, BOZEMAN PASS,
AND DEEP CREEK PASS
232 AM MDT MON SEP 15 2025
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 55 TO 65. WEST WINDS 5 TO 15 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 45 TO 50. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 55 TO 65. NORTHWEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50. EAST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 65 TO 70. SOUTHEAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY AND THURSDAY NIGHT
CLEAR. HIGHS 65 TO 75. LOWS 45 TO
50.
FRIDAY
SUNNY. HIGHS 65 TO 75.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 70 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
65 TO 75.
MTZ321-152200-
MEAGHER COUNTY VALLEYS-
INCLUDING MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
232 AM MDT MON SEP 15 2025
TODAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
60S. WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 40S. NORTHWEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 65 TO 70. NORTHWEST WINDS UP TO 10 MPH SHIFTING
TO THE NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45. NORTHEAST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 70 TO 75. SOUTHEAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
THURSDAY AND THURSDAY NIGHT
CLEAR. HIGHS 70 TO 75. LOWS 40 TO
45.
FRIDAY
SUNNY. HIGHS AROUND 75.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
AROUND 75.
MTZ322-152200-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING MONTANA CITY, CLANCY, BOULDER, CORBIN, WICKES,
ELK PARK PASS, AND HOMESTAKE PASS
232 AM MDT MON SEP 15 2025
TODAY
COOLER. PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH
SLIGHT CHANCE OF RAIN IN THE MORNING, THEN MOSTLY CLOUDY WITH
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 50 TO 60. WEST WINDS 5 TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS 40 TO 45. NORTHWEST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
60 TO 65. NORTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
WARMER, SUNNY. HIGHS 65 TO 75. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 40 TO 50. HIGHS 65 TO
75.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS
65 TO 75.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO
50. HIGHS 65 TO 75.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
65 TO 75.
MTZ323-152200-
CANYON FERRY AREA-
INCLUDING TOSTON, TOWNSEND, AND WINSTON
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. SLIGHT
CHANCE OF RAIN IN THE MORNING, THEN CHANCE OF RAIN AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 70.
NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS 45 TO 50.
NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO
70. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 70 TO 75. SOUTHEAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 50.
THURSDAY AND THURSDAY NIGHT
CLEAR. HIGHS 75 TO 80. LOWS 45 TO
50.
FRIDAY
SUNNY. HIGHS 75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 55.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
75 TO 80.
MTZ324-152200-
MISSOURI HEADWATERS-
INCLUDING HARRISON, THREE FORKS, WILLOW CREEK, PONY,
AND WHITEHALL
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. CHANCE
OF RAIN IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S.
WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 40S. WEST WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
65 TO 70. WEST WINDS UP TO 5 MPH SHIFTING TO THE NORTHEAST IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 70 TO 75. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
CLEAR. LOWS 40 TO 45.
HIGHS 75 TO 80.
FRIDAY
SUNNY. HIGHS 75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
75 TO 80.
MTZ325-152200-
MADISON RIVER VALLEY-
INCLUDING CAMERON, ENNIS, JEFFERS, MCALLISTER, AND NORRIS
232 AM MDT MON SEP 15 2025
TODAY
COOLER. AREAS OF FOG IN THE MORNING. RAIN LIKELY IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 60 TO 65. SOUTH WINDS UP TO 5 MPH SHIFTING
TO THE WEST IN THE AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SLIGHT
CHANCE OF RAIN IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. LOWS 40 TO 45. NORTHWEST
WINDS UP TO 5 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
IN THE MID 60S. NORTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45. NORTHEAST WINDS
5 TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 70 TO 75. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
CLEAR. LOWS 40 TO 45.
HIGHS AROUND 75.
FRIDAY
SUNNY. HIGHS 75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
75 TO 80.
MTZ326-152200-
GALLATIN VALLEY-
INCLUDING BOZEMAN AND GALLATIN GATEWAY
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. CHANCE
OF RAIN IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS UP TO 10 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN CHANCE OF RAIN AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
LOWS IN THE MID 40S. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS UP TO 5 MPH SHIFTING
TO THE NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45. EAST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 70 TO 75. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
THURSDAY AND THURSDAY NIGHT
CLEAR. HIGHS 75 TO 80. LOWS AROUND
45.
FRIDAY
SUNNY. HIGHS 75 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
SUNNY. HIGHS 75 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
75 TO 80.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 66 44 67 / 60 50 50
BOZEMAN MSU 64 45 63 / 50 40 40
MTZ330-152200-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. CHANCE
OF RAIN IN THE MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 45 TO 55. SOUTHWEST WINDS
UP TO 10 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SLIGHT
CHANCE OF RAIN IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS 35 TO 40. NORTH WINDS
UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
50 TO 60. NORTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45. NORTHEAST WINDS
5 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS 55 TO 65. EAST WINDS UP TO 5 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 35 TO 45. HIGHS 60 TO
70.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS
65 TO 75.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50.
SATURDAY
SUNNY. HIGHS 60 TO 70.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 40 TO 50.
SUNDAY
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS
60 TO 70.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 59 31 62 / 70 30 30
MTZ327-152200-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. CHANCE
OF RAIN IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 45 TO 55.
NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
COLDER. PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. AREAS
OF FOG AFTER MIDNIGHT. LOWS 30 TO 40. NORTH WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
WARMER. AREAS OF FOG IN THE MORNING. PARTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN. HIGHS 55 TO 65. NORTHEAST WINDS
UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 40. EAST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 60 TO 70. EAST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 35 TO 45. HIGHS 65 TO
75.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS 65 TO 75. LOWS
40 TO 45.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN. LOWS 40 TO 45. HIGHS 60 TO 70.
MTZ328-152200-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING BANNACK, DILLON, GLEN, AND WATERLOO
232 AM MDT MON SEP 15 2025
TODAY
COOLER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. SLIGHT
CHANCE OF RAIN IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 65.
WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 40. NORTHWEST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. PATCHY FOG IN THE MORNING. A 20 PERCENT CHANCE OF RAIN.
HIGHS 60 TO 70. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45. NORTHEAST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 70 TO 75. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 40 TO 45. HIGHS 70 TO
80.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS
75 TO 80.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO
50. HIGHS 75 TO 80.
SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
70 TO 75.
TEMPERATURE / PRECIPITATION
DILLON 63 40 67 / 50 40 20
MTZ329-152200-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING MONIDA PASS
232 AM MDT MON SEP 15 2025
TODAY
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. CHANCE OF RAIN
IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 50 TO 60. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 35 TO 40. NORTH WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN. HIGHS 55 TO 60. NORTH WINDS
5 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45. NORTHEAST WINDS
5 TO 15 MPH.
WEDNESDAY
WARMER, SUNNY. HIGHS 60 TO 70. NORTHEAST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 40 TO 45. HIGHS 65 TO
70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 65 TO 75. LOWS
45 TO 50.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN. HIGHS 65 TO 75. LOWS 45 TO 50.
SUNDAY
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS
65 TO 70.
HTTP://WWW.WEATHER.GOV/GREATFALLS
HTTPS://WWW.TWITTER.COM/NWSGREATFALLS
HTTPS://WWW.FACEBOOK.COM/NWSGREATFALLS
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