647
FPUS55 KTFX 310937
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
336 AM MDT MON AUG 31 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND TUESDAY.
MTZ301-312200-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 58 TO 68. SOUTHWEST WINDS 5 TO
15 MPH. GUSTS UP TO 30 MPH IN THE MORNING.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS UP
TO 10 MPH.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 68 TO 78. SOUTHWEST WINDS
UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
GUSTS UP TO 25 MPH.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO 66. SOUTHWEST WINDS
5 TO 20 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
BREEZY. MOSTLY CLOUDY. A
50 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE LOWER 40S. HIGHS
49 TO 59.
THURSDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN SHOWERS. LOWS 40 TO 45. HIGHS 54 TO 68.
MTZ307-312200-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 62 TO 72. WEST WINDS 5 TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 43 TO 49. SOUTHWEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH IN THE EVENING.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 69 TO 79. SOUTH WINDS UP
TO 10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
46 TO 52. SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT. GUSTS UP TO 25 MPH. CHANCE OF SHOWERS 50 PERCENT.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 58 TO 68. SOUTHWEST WINDS UP TO 10 MPH
INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF RAIN SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 39 TO 45.
THURSDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. HIGHS 53 TO 63.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 43.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS 57 TO 69. LOWS 39 TO 48.
MTZ302-312200-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST WINDS 5 TO 15 MPH
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS UP TO 10 MPH INCREASING TO 10 TO 20 MPH WITH
GUSTS TO AROUND 35 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 40S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS IN THE UPPER 60S. LOWS IN THE MID 40S.
MTZ308-312200-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP
TO 10 MPH. GUSTS UP TO 25 MPH IN THE MORNING.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST WINDS
UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHEAST 5 TO 15 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S. SOUTHEAST WINDS
5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHWEST WINDS UP TO 10 MPH INCREASING TO 10 TO 20 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 40S.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
LOWS IN THE MID 40S.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S.
MTZ303-312200-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS IN THE MID 70S. WEST WINDS UP TO
15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
UP TO 5 MPH INCREASING TO 5 TO 15 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST WINDS 10 TO
15 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHWEST WINDS UP TO 10 MPH INCREASING TO 10 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE UPPER 40S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS AROUND 70.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S.
TEMPERATURE / PRECIPITATION
CUT BANK 75 45 81 / 0 0 0
MTZ304-312200-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS UP TO 15 MPH.
GUSTS UP TO 30 MPH IN THE MORNING.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. EAST WINDS UP TO
10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
5 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 40S.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 70 TO 76.
LOWS IN THE UPPER 40S.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS 71 TO 77. LOWS AROUND 50.
MTZ305-312200-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHEAST WINDS
UP TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS UP
TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY SUNNY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
AROUND 50.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE UPPER 40S.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
HAVRE 77 46 87 / 0 0 0
MTZ306-312200-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
336 AM MDT MON AUG 31 2026
TODAY
BREEZY, SUNNY. HIGHS IN THE MID 70S. WEST WINDS 15 TO
25 MPH WITH GUSTS TO AROUND 40 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
10 TO 20 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 10 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTHEAST WINDS 10 TO
20 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 80.
LOWS IN THE UPPER 40S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 80S.
LOWS AROUND 50.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS IN THE UPPER 70S.
MTZ309-312200-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS IN THE MID 70S. WEST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS 5 TO 15 MPH
SHIFTING TO THE SOUTH 5 TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH INCREASING TO 10 TO 20 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE UPPER 40S.
THURSDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 40S.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 40S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
MTZ310-312200-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. EAST WINDS UP TO
10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS UP
TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN
THE MID 50S. SOUTHEAST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
35 MPH.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
SOUTH WINDS UP TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
AROUND 50.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE UPPER 40S.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 70S.
SUNDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS IN THE UPPER 70S.
MTZ311-312200-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS 70 TO 76. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50. NORTHWEST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. GUSTS UP TO
25 MPH.
TUESDAY
PARTLY SUNNY. HIGHS 77 TO 83. SOUTHEAST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 80 TO 86. SOUTH WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE LOWER 50S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 75 TO 81.
LOWS IN THE LOWER 50S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 76 TO 82. LOWS IN
THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS 75 TO 81.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE MID 50S. HIGHS 74 TO 80.
MTZ312-312200-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST WINDS
5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE
MID 50S. EAST WINDS 5 TO 15 MPH SHIFTING TO THE SOUTH 10 TO
15 MPH AFTER MIDNIGHT.
WEDNESDAY
BREEZY. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80.
SOUTH WINDS 5 TO 15 MPH SHIFTING TO THE SOUTHWEST 10 TO 25 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE UPPER 40S. HIGHS IN THE MID 70S.
FRIDAY
SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 70S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 78 48 84 / 0 0 0
MTZ313-312200-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN
THE MID 50S. SOUTH WINDS 10 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
20 MPH.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE UPPER 40S. HIGHS IN THE UPPER 70S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER 70S.
LOWS IN THE UPPER 40S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE LOWER 50S.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ314-312200-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50. NORTHEAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
5 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 82 TO 88. SOUTH WINDS 5 TO 15 MPH. GUSTS
UP TO 30 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE LOWER 50S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER
80S. LOWS 48 TO 54.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 80S.
LOWS 50 TO 56.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 80.
LOWS 52 TO 58.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 74 46 82 / 0 0 0
MTZ315-312200-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 66 TO 74. WEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 44 TO 52. WEST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
WARMER. MOSTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS 71 TO 81. SOUTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 45 TO 53. SOUTH WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 63 TO 71. SOUTHWEST WINDS UP TO 15 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN SHOWERS. LOWS 40 TO 48. HIGHS 59 TO 69.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 47.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 64 TO 72.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 49.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS 65 TO 73. LOWS 44 TO 52.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 73.
MTZ316-312200-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 73 TO 79. SOUTHWEST WINDS 5 TO
10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 50. SOUTHWEST WINDS UP TO
5 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
78 TO 84. SOUTH WINDS UP TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.
SOUTH WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 76. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE UPPER 40S. HIGHS 68 TO 76.
SATURDAY
SUNNY. HIGHS 70 TO 76.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 71 TO 77.
MTZ317-312200-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 67 TO 73. WEST WINDS 5 TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 46 TO 52. SOUTH WINDS UP TO
10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS 71 TO 79. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS 49 TO
57. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 67 TO 75. SOUTH WINDS 5 TO 20 MPH WITH
GUSTS TO AROUND 35 MPH.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
43 TO 50. HIGHS 64 TO 72.
FRIDAY
SUNNY. HIGHS 68 TO 74.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS 68 TO 74. LOWS 48 TO 54.
SUNDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 68 TO 74.
MTZ318-312200-
SNOWY AND JUDITH MOUNTAINS-
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 67 TO 73. WEST WINDS 5 TO 10 MPH.
GUSTS UP TO 35 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY CLOUDY. HIGHS 70 TO 78. SOUTHEAST WINDS 5 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 56. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 73 TO 81. SOUTH WINDS 5 TO 15 MPH. GUSTS UP
TO 30 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
AROUND 50. HIGHS 69 TO 77.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 72 TO 78. LOWS IN
THE LOWER 50S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 70 TO 76.
LOWS IN THE LOWER 50S.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS 69 TO 75.
MTZ319-312200-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS UP TO
10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN
THE LOWER 80S. SOUTHEAST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS AROUND
50. SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 60 PERCENT.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTH 5 TO 15 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE MID 40S. HIGHS IN THE UPPER 70S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
HELENA 79 47 84 / 0 0 0
MTZ320-312200-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 66 TO 74. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 30 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS UP TO 10 MPH. GUSTS UP
TO 20 MPH IN THE EVENING.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS 69 TO 77. SOUTH WINDS UP TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 66 TO 74. SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND
25 MPH SHIFTING TO THE SOUTHWEST 10 TO 20 MPH WITH GUSTS TO
AROUND 45 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
20 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS 63 TO 73.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 40S.
FRIDAY
SUNNY. HIGHS 67 TO 77.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS 68 TO 78.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE
LOWER 50S.
SUNDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 67 TO 75. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ321-312200-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 40S. EAST WINDS UP TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP
TO 10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTH WINDS
5 TO 10 MPH INCREASING TO SOUTHWEST 10 TO 25 MPH WITH GUSTS TO
AROUND 40 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE MID 40S. HIGHS IN THE LOWER 70S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER 70S.
LOWS IN THE MID 40S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE UPPER 40S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S.
MTZ322-312200-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 67 TO 75. SOUTHWEST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 43 TO 51. EAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
TUESDAY
CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HIGHS 70 TO 78. SOUTH WINDS UP TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 44 TO 52. SOUTHWEST WINDS 5 TO
15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 72. SOUTH WINDS 5 TO 15 MPH. GUSTS UP
TO 40 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS 40 TO 48.
HIGHS 61 TO 71.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 40 TO 48.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 66 TO 74. LOWS
41 TO 49.
SATURDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 67 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 44 TO 52.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 66 TO 74.
MTZ323-312200-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 46 TO 52. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 49 TO 55. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH INCREASING TO 10 TO
20 MPH WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
44 TO 50. HIGHS IN THE MID 70S.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ324-312200-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
5 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 40S. SOUTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND
30 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY
BREEZY. MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP TO 5 MPH WITH
GUSTS TO AROUND 25 MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
20 PERCENT.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE MID 40S. HIGHS IN THE MID 70S.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE
UPPER 40S.
SUNDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ325-312200-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 45 TO 51. SOUTH WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 15 MPH.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
45 TO 51. SOUTH WINDS 10 TO 25 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY
VERY WINDY. MOSTLY SUNNY. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S. SOUTH WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 35 MPH INCREASING TO 25 TO 40 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
WINDY. PARTLY CLOUDY. LOWS 42 TO
48. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 42 TO 48.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 44 TO 50. HIGHS
IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS 47 TO
53.
SUNDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF
PRECIPITATION 40 PERCENT.
MTZ326-312200-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
336 AM MDT MON AUG 31 2026
TODAY
SUNNY. HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 5 MPH. GUSTS UP
TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 40S. SOUTHEAST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS UP TO
10 MPH INCREASING TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND
40 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
BREEZY. PARTLY CLOUDY. LOWS IN
THE UPPER 40S. HIGHS IN THE MID 70S.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 40S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS AROUND 80. LOWS IN
THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS AROUND
50.
SUNDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF
PRECIPITATION 40 PERCENT.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 77 45 80 / 0 0 0
BOZEMAN MSU 76 48 79 / 0 0 10
MTZ330-312200-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 62 TO 72. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 41 TO 49. SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 61 TO
71. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 41 TO 49.
SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY
WINDY. MOSTLY SUNNY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE MORNING. HIGHS 57 TO 69. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 40 MPH INCREASING TO 20 TO 30 MPH WITH GUSTS
TO AROUND 55 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
BREEZY. PARTLY CLOUDY. LOWS 38 TO
46. HIGHS 56 TO 68.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 38 TO 46.
FRIDAY
SUNNY. HIGHS 62 TO 72.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 49.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 63 TO 73.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS 44 TO
50.
SUNDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 61 TO 71. CHANCE OF PRECIPITATION
50 PERCENT.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 71 35 70 / 0 20 50
MTZ327-312200-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 65 TO 75. SOUTHWEST WINDS UP TO
10 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 37 TO 49. SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 66 TO 76. SOUTH WINDS
5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
CLOUDY WITH RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 36 TO 46. SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT. GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
WEDNESDAY
PARTLY SUNNY. RAIN SHOWERS LIKELY IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 58 TO 68. SOUTH WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST 10 TO 20 MPH WITH
GUSTS TO AROUND 40 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 34 TO 44.
THURSDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. HIGHS 56 TO 66.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 43.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 61 TO 71.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 46.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS 64 TO 74. LOWS 39 TO 49.
SUNDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 71. CHANCE OF
PRECIPITATION 50 PERCENT.
MTZ328-312200-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 74 TO 80. SOUTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS UP TO 10 MPH WITH GUSTS
TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 75 TO 81. SOUTH WINDS 5 TO 15 MPH.
GUSTS UP TO 25 MPH INCREASING TO 35 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLOUDY WITH RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 40S. SOUTH WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH
DECREASING TO 25 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
90 PERCENT.
WEDNESDAY
WINDY. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO 75. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 15 TO 30 MPH
WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
THURSDAY
BREEZY. MOSTLY SUNNY. HIGHS 68 TO 74.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS 72 TO 80. LOWS IN
THE MID 40S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 71 TO 77.
TEMPERATURE / PRECIPITATION
DILLON 80 44 81 / 0 0 0
MTZ329-312200-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
336 AM MDT MON AUG 31 2026
TODAY
WARMER, SUNNY. HIGHS 66 TO 74. SOUTH WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 73. SOUTH WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 35 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE MID 40S. SOUTH WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 35 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY
WINDY. MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 60 TO 68. SOUTHEAST WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 40 MPH INCREASING TO SOUTH 20 TO 30 MPH WITH
GUSTS TO AROUND 50 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
20 PERCENT.
WEDNESDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS 40 TO 46.
THURSDAY
WINDY. MOSTLY SUNNY. HIGHS 59 TO 67.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS 63 TO 73. LOWS IN
THE MID 40S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE
UPPER 40S.
SUNDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 62 TO 70. CHANCE OF
PRECIPITATION 50 PERCENT.
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