577
FPUS55 KTFX 150937
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
336 AM MDT SAT AUG 15 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND SUNDAY.
MTZ301-152200-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY SUNNY. PATCHY SMOKE EARLY IN THE
AFTERNOON. HIGHS 61 TO 69. SOUTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS IN
THE UPPER 40S. SOUTH WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS 62 TO 72. WEST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS 62 TO 72. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 70.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS 62 TO 72.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 64 TO 74. LOWS
AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS 66 TO 76.
MTZ307-152200-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY SUNNY. PATCHY SMOKE. HIGHS 61 TO 71.
SOUTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS 43 TO 49. SOUTHWEST WINDS UP TO 5 MPH.
SUNDAY
PARTLY SUNNY. HIGHS 64 TO 74. WEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51. WEST WINDS UP TO
10 MPH.
MONDAY
PARTLY SUNNY. HIGHS 64 TO 74. WEST WINDS UP TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS 46 TO 52. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 61 TO 71.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 43 TO 49.
WEDNESDAY
SUNNY. HIGHS 64 TO 74.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 66 TO 79. LOWS
47 TO 53.
MTZ302-152200-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS AROUND 70. SOUTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS UP TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER
70S. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
MTZ308-152200-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS AROUND 50. SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE LOWER 50S. WEST WINDS UP TO 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE MID 70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 80S.
LOWS IN THE LOWER 50S.
MTZ303-152200-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS IN THE LOWER 70S. SOUTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST WINDS UP TO 10 MPH.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS UP TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN MOSTLY SUNNY WITH SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER
70S. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
CUT BANK 71 46 77 / 0 0 10
MTZ304-152200-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
336 AM MDT SAT AUG 15 2026
TODAY
PARTLY SUNNY UNTIL LATE AFTERNOON THEN CLEARING. HIGHS
IN THE LOWER 70S. SOUTH WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST WINDS UP TO 10 MPH.
SUNDAY
WARMER. MOSTLY SUNNY. HIGHS 76 TO 82. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS AROUND 50.
NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS 76 TO 82. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 50. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN MOSTLY SUNNY WITH SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 78. CHANCE OF PRECIPITATION
40 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 77 TO 86. LOWS IN
THE LOWER 50S.
MTZ305-152200-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
336 AM MDT SAT AUG 15 2026
TODAY
PARTLY SUNNY UNTIL LATE AFTERNOON THEN CLEARING. HIGHS
IN THE LOWER 70S. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHEAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE WEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. WEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN SHOWERS IN
THE MORNING. HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S.
TEMPERATURE / PRECIPITATION
HAVRE 76 49 84 / 0 0 10
MTZ306-152200-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS UP
TO 5 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. WEST WINDS UP TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE MID 70S. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS AROUND 80.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 80S.
MTZ309-152200-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS IN
THE UPPER 40S. EAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS UP TO
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS UP TO 5 MPH SHIFTING
TO THE SOUTHWEST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE
UPPER 70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S.
MTZ310-152200-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
336 AM MDT SAT AUG 15 2026
TODAY
PARTLY SUNNY UNTIL LATE AFTERNOON THEN CLEARING. HIGHS
IN THE MID 70S. NORTH WINDS UP TO 5 MPH SHIFTING TO THE EAST IN
THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST WINDS
UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
UP TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS
IN THE UPPER 70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE MID 50S.
MTZ311-152200-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS 70 TO 76. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO
THE EAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST WINDS
UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 77 TO 83. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE MID 50S. WEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS 77 TO 83. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS
71 TO 77. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.
WEDNESDAY
SUNNY. HIGHS 77 TO 83.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS 79 TO 85.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS 82 TO 88.
MTZ312-152200-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. PARTLY SUNNY UNTIL LATE AFTERNOON THEN CLEARING.
HIGHS IN THE MID 70S. EAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. EAST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
30 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER
70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 77 51 83 / 0 20 20
MTZ313-152200-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. MOSTLY
SUNNY WITH CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS IN THE LOWER 70S. EAST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS AROUND 50. SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND 25 MPH IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 80S.
LOWS IN THE LOWER 50S.
MTZ314-152200-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING, THEN MOSTLY SUNNY IN THE LATE MORNING AND
AFTERNOON. HIGHS IN THE MID 70S. NORTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS 50 TO 56.
SOUTHEAST WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 52 TO 58. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
52 TO 58. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 48 TO 54.
CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS 52 TO 58.
TEMPERATURE / PRECIPITATION
LEWISTOWN 73 48 79 / 30 40 30
MTZ315-152200-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. PATCHY SMOKE LATE IN THE AFTERNOON. HIGHS 66 TO 74.
EAST WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 44 TO 52. SOUTHWEST WINDS UP TO 5 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
PARTLY SUNNY. HIGHS 69 TO 77. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 46 TO 54. SOUTHWEST WINDS UP
TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS 68 TO 78. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 47 TO 55. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
66 TO 74. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 52.
WEDNESDAY
SUNNY. HIGHS 67 TO 77.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 54.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 70 TO 80. LOWS
48 TO 56.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 73 TO 83.
MTZ316-152200-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING
MOSTLY SUNNY. HIGHS 70 TO 78. EAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTH WINDS UP TO 10 MPH. CHANCE
OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS 75 TO 83. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHWEST WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS 75 TO 83. SOUTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
71 TO 79. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
WEDNESDAY
SUNNY. HIGHS 74 TO 82.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 77 TO 88. LOWS IN
THE MID 50S.
MTZ317-152200-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
336 AM MDT SAT AUG 15 2026
TODAY
WARMER. MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. HIGHS 63 TO 71. SOUTH WINDS UP TO 5 MPH SHIFTING TO
THE NORTHEAST IN THE AFTERNOON. CHANCE OF THUNDERSTORMS
50 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 47 TO 53. SOUTH WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 76. SOUTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 48 TO 54. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 76. WEST WINDS UP TO 15 MPH. GUSTS UP
TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS 48 TO 54. CHANCE OF
PRECIPITATION 50 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 63 TO 71.
CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 45 TO 51. CHANCE OF
PRECIPITATION 30 PERCENT.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 67 TO 75.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 55.
THURSDAY
SUNNY. HIGHS 70 TO 78.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
FRIDAY
SUNNY. HIGHS 74 TO 82.
MTZ318-152200-
SNOWY AND JUDITH MOUNTAINS-
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. SLIGHT CHANCE
OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS 63 TO 69. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 47 TO 53.
SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 76. SOUTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE NORTHWEST AROUND 5 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 49 TO 55. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 76. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 64 TO 70. CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 45 TO 51. CHANCE OF PRECIPITATION
30 PERCENT.
WEDNESDAY THROUGH THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 68 TO
79. LOWS 49 TO 56.
FRIDAY
SUNNY. HIGHS 75 TO 83.
MTZ319-152200-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS UP TO
5 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. SOUTHEAST WINDS UP TO 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
UP TO 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. WEST WINDS UP TO
5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 70S. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S.
TEMPERATURE / PRECIPITATION
HELENA 78 50 82 / 20 50 10
MTZ320-152200-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
336 AM MDT SAT AUG 15 2026
TODAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
A 20 PERCENT CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS
65 TO 73. SOUTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 50. SOUTH WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 67 TO 75. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. NORTHWEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS 67 TO 77. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 35 MPH IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF PRECIPITATION
70 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 63 TO 73. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. HIGHS 66 TO 76.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS 69 TO 79.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
SUNNY. HIGHS 72 TO 82.
MTZ321-152200-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTH IN THE AFTERNOON.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. SOUTH WINDS UP TO 10 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO
25 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO
5 MPH INCREASING TO WEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER
70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF PRECIPITATION
30 PERCENT.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S.
MTZ322-152200-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN
THE AFTERNOON. CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.
HIGHS 64 TO 72. SOUTH WINDS UP TO 5 MPH. CHANCE OF THUNDERSTORMS
50 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 44 TO 52. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 67 TO 77. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 46 TO 54. NORTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 78. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. LOWS 47 TO 55.
CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 74.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 44 TO 52.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 66 TO 76.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 54.
THURSDAY
SUNNY. HIGHS 70 TO 80.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 56.
FRIDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 73 TO 83.
MTZ323-152200-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
336 AM MDT SAT AUG 15 2026
TODAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. A 20 PERCENT
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS IN THE MID
70S. SOUTH WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 48 TO 54. SOUTH WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 50 TO 56. NORTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. LOWS 50 TO 56.
CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 47 TO 53.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 55.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
FRIDAY
SUNNY. HIGHS IN THE MID 80S.
MTZ324-152200-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. SOUTHWEST WINDS UP TO 5 MPH.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. SOUTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN
THE LOWER 50S. CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
SUNNY. HIGHS IN THE MID 80S.
MTZ325-152200-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
336 AM MDT SAT AUG 15 2026
TODAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S. SOUTH WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 43 TO 49. SOUTH WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 46 TO 52. SOUTH WINDS UP TO
10 MPH.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS 46 TO 52. CHANCE OF
PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
70S. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 44 TO 50.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
46 TO 55. HIGHS IN THE LOWER 80S.
FRIDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 80S.
MTZ326-152200-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. HIGHS IN THE MID 70S. NORTHWEST WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. SOUTHEAST WINDS UP TO 5 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN
THE LOWER 50S. CHANCE OF PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
UPPER 70S. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
SUNNY. HIGHS IN THE MID 80S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 77 47 79 / 20 40 10
BOZEMAN MSU 76 48 78 / 30 40 10
MTZ330-152200-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY IN THE LATE
MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. A
50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO
70. SOUTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 40 TO 48. SOUTH WINDS UP TO 10 MPH.
SUNDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 73. SOUTHWEST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 42 TO 50. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 74. SOUTH WINDS UP TO 10 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS 43 TO 51. CHANCE OF
PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 61 TO 71.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 41 TO 49. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 63 TO 73.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
43 TO 54. HIGHS 66 TO 76.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 79.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 72 34 75 / 50 50 20
MTZ327-152200-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
336 AM MDT SAT AUG 15 2026
TODAY
PARTLY SUNNY THEN BECOMING MOSTLY SUNNY IN THE LATE
MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. A
50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 62 TO
72. SOUTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 37 TO 47. SOUTH WINDS UP TO 10 MPH.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 74. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 40 TO 50. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 75. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST 5 TO 15 MPH IN THE AFTERNOON.
MONDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS 40 TO 50. CHANCE OF
PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 62 TO 72.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 38 TO 48.
WEDNESDAY THROUGH THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 64 TO
77. LOWS 40 TO 53.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 80.
MTZ328-152200-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY IN THE LATE
MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. A
50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO
75. SOUTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 40S. SOUTH WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 78. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. WEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 74 TO 80. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF
PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
71 TO 77. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 73 TO
82. LOWS AROUND 50.
FRIDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 79 TO 85.
TEMPERATURE / PRECIPITATION
DILLON 74 44 77 / 50 40 10
MTZ329-152200-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
336 AM MDT SAT AUG 15 2026
TODAY
MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY IN THE LATE
MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. CHANCE
OF THUNDERSTORMS EARLY IN THE AFTERNOON. RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS 62 TO 70.
SOUTH WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 40S. SOUTH WINDS UP TO 10 MPH.
SUNDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 73. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 67 TO 75. SOUTH WINDS UP TO 10 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF
PRECIPITATION 70 PERCENT.
TUESDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 72.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 66 TO 74.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS 70 TO 78.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 80.
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