117
FPUS55 KTFX 180937
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
336 AM MDT THU JUN 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND JUNETEENTH.
MTZ301-182200-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 50 TO
60. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. NORTHEAST WINDS 5 TO 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
JUNETEENTH
WARMER. MOSTLY SUNNY. HIGHS 58 TO 68. SOUTHEAST
WINDS UP TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 72.
SOUTHWEST WINDS UP TO 10 MPH INCREASING TO 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 41 TO 47.
SUNDAY AND SUNDAY NIGHT
COOLER. MOSTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 51 TO 61. LOWS
36 TO 42. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO 63. CHANCE OF
PRECIPITATION 40 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
WARMER, SUNNY. HIGHS 61 TO 71.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 61 TO 71. CHANCE
OF PRECIPITATION 40 PERCENT.
MTZ307-182200-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 64. WEST WINDS UP TO
15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS 36 TO 42. NORTHEAST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
JUNETEENTH
PARTLY SUNNY. HIGHS 59 TO 69. EAST WINDS UP TO
10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 47. EAST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE WEST AFTER
MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 62 TO 74. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE WEST 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 46.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO 65. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
36 TO 42.
MONDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO 66. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 38 TO 44. HIGHS
64 TO 74.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 49.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 63 TO 73.
MTZ302-182200-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO 10 MPH SHIFTING
TO THE WEST AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST
WINDS 5 TO 10 MPH INCREASING TO 15 TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 40S. SOUTHEAST WINDS 15 TO 20 MPH
DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTH WINDS UP TO 5 MPH WITH GUSTS TO AROUND 20 MPH INCREASING TO
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 40S.
SUNDAY
COOLER. PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.
CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 40S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 70S.
MTZ308-182200-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. CHANCE OF
RAIN SHOWERS IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. NORTH WINDS
UP TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS IN THE MID 40S. NORTH WINDS UP TO 10 MPH.
JUNETEENTH
PARTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS 5 TO 15 MPH SHIFTING TO
THE NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS UP TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
COOLER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE MID 40S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ303-182200-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 60S. NORTH WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS 10 TO 15 MPH BECOMING
NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHEAST WINDS UP
TO 10 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. GUSTS UP
TO 30 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS 5 TO 20 MPH.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTH WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
BREEZY. 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. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
COOLER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
CUT BANK 64 41 70 / 50 20 0
MTZ304-182200-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 62 TO 68. NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE NORTHWEST UP
TO 5 MPH AFTER MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS AROUND 70. EAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
10 TO 15 MPH.
SATURDAY
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 81. SOUTHEAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
SUNDAY AND SUNDAY NIGHT
COOLER. PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN SHOWERS. HIGHS 63 TO 69. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS 65 TO 71.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS 73 TO 79.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 75 TO 81.
MTZ305-182200-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
336 AM MDT THU JUN 18 2026
TODAY
BREEZY. PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. NORTHWEST
WINDS 5 TO 15 MPH INCREASING TO 10 TO 25 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO
10 MPH AFTER MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS UP TO
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF PRECIPITATION
70 PERCENT.
SUNDAY
COOLER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 60S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
HAVRE 69 42 73 / 70 20 0
MTZ306-182200-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
336 AM MDT THU JUN 18 2026
TODAY
BREEZY. PARTLY SUNNY IN THE MORNING. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE MID 60S. WEST WINDS 5 TO 15 MPH INCREASING TO NORTHWEST
15 TO 25 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
80 PERCENT.
TONIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS IN THE LOWER 40S. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 35 MPH DECREASING TO 5 TO 10 MPH AFTER
MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS AROUND 70. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS 5 TO 15 MPH. GUSTS UP
TO 30 MPH AFTER MIDNIGHT.
SATURDAY
WINDY. MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHEAST
WINDS 15 TO 30 MPH.
SATURDAY NIGHT
BREEZY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF
PRECIPITATION 70 PERCENT.
SUNDAY
BREEZY. 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 60S. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 60S.
LOWS IN THE MID 40S.
TUESDAY
SUNNY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 70S. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ309-182200-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE UPPER 60S. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS UP TO 10 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS UP
TO 5 MPH INCREASING TO 5 TO 15 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
10 TO 15 MPH DECREASING TO UP TO 10 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS UP
TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
SUNDAY
COOLER. MOSTLY SUNNY. HIGHS AROUND 70.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 40S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 80.
MTZ310-182200-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. NORTHWEST WINDS UP TO 10 MPH
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST WINDS UP
TO 10 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS UP
TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS
10 TO 15 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHEAST WINDS 5 TO
15 MPH. GUSTS UP TO 40 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF PRECIPITATION
50 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS AROUND 80.
MTZ311-182200-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY
LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 62 TO 68.
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION 70 PERCENT.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO 10 MPH AFTER
MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS 67 TO 73. NORTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH INCREASING TO 40 MPH AFTER
MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 73 TO 79. SOUTHEAST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 40 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF PRECIPITATION
70 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 66 TO 72. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS 63 TO 69.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS 71 TO 77.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 73 TO 79. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ312-182200-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. CHANCE OF RAIN SHOWERS LATE IN THE MORNING, THEN CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. WEST
WINDS UP TO 5 MPH SHIFTING TO THE NORTH 5 TO 15 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS IN THE MID 40S. NORTHEAST WINDS UP TO 10 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS UP
TO 5 MPH INCREASING TO 5 TO 15 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
10 TO 15 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
WARMER. PARTLY SUNNY. HIGHS 78 TO 84. SOUTHWEST WINDS
UP TO 10 MPH.
SATURDAY 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
40 PERCENT.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
LOWS IN THE MID 40S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 70S.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER
50S. HIGHS 78 TO 84.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 69 45 74 / 60 20 0
MTZ313-182200-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS UP TO 10 MPH SHIFTING
TO THE NORTHWEST WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH SHIFTING TO THE WEST UP TO 5 MPH AFTER
MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHEAST
WINDS UP TO 5 MPH INCREASING TO 5 TO 15 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS 10 TO 15 MPH. GUSTS UP TO 40 MPH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHEAST WINDS 5 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S.
MONDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 60S. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ314-182200-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. WEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
JUNETEENTH
SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
HIGHS IN THE LOWER 70S. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO
THE EAST WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 48 TO 54. SOUTHEAST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
49 TO 55. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 70S. LOWS 43 TO 49.
MONDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 60S. CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY 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.
TEMPERATURE / PRECIPITATION
LEWISTOWN 66 40 71 / 70 20 0
MTZ315-182200-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 61 TO 71. WEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO
15 MPH SHIFTING TO THE NORTHEAST UP TO 5 MPH AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 65 TO 75. EAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 50. NORTHEAST WINDS UP
TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS 68 TO 76. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE WEST 5 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS 62 TO 72.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 61 TO 69. LOWS IN
THE MID 40S.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 70 TO 78. LOWS
IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 69 TO 77.
MTZ316-182200-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 72. WEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND 30 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO 5 MPH
AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 68 TO 76. NORTHEAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS 73 TO 81. SOUTHWEST WINDS UP TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 66 TO 74. LOWS IN
THE MID 40S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 64 TO 72. LOWS IN
THE MID 40S.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 74 TO 82. LOWS
IN THE LOWER 50S.
MTZ317-182200-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
336 AM MDT THU JUN 18 2026
TODAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS LATE IN THE MORNING. CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO 64. WEST WINDS UP
TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON. GUSTS UP TO
30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS 36 TO 42. NORTH WINDS UP TO 10 MPH. GUSTS UP TO
30 MPH IN THE EVENING.
JUNETEENTH
PARTLY SUNNY. HIGHS 62 TO 70. SOUTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 50. SOUTHEAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 66 TO 74. SOUTH
WINDS UP TO 10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS
UP TO 25 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 44 TO 50. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 59 TO 67. LOWS 37 TO 43.
MONDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO 64.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 45.
TUESDAY
WARMER, SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 73.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 51.
WEDNESDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 66 TO 74.
MTZ318-182200-
SNOWY AND JUDITH MOUNTAINS-
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY THEN BECOMING CLOUDY EARLY IN THE AFTERNOON
THEN BECOMING PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 56 TO 64. WEST WINDS UP TO 10 MPH SHIFTING
TO THE NORTHWEST WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE EVENING. LOWS AROUND 40. NORTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY. HIGHS 62 TO 68. NORTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHEAST WITH GUSTS TO AROUND 25 MPH IN
THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 66 TO 72. SOUTHEAST WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 60 TO 68.
SUNDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS AROUND 40. CHANCE OF PRECIPITATION
30 PERCENT.
MONDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 58 TO 64.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS 66 TO 72.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 67 TO 75.
MTZ319-182200-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS EARLY
IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP TO
5 MPH WITH GUSTS TO AROUND 20 MPH INCREASING TO NORTHWEST 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH BECOMING NORTHWEST UP TO 5 MPH
AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE UPPER 70S. EAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS
UP TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
70S. LOWS IN THE MID 40S.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS IN THE LOWER 50S.
TEMPERATURE / PRECIPITATION
HELENA 77 46 80 / 10 10 0
MTZ320-182200-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 60 TO 70. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
35 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 35 MPH SHIFTING TO THE NORTHEAST
AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 64 TO 74. SOUTHEAST WINDS UP TO 10 MPH WITH GUSTS
TO AROUND 25 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 40 MPH.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
63 TO 73. SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON. GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 61 TO 71. LOWS IN THE LOWER 40S.
MONDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 59 TO 69.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS 67 TO 77.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 67 TO 77.
MTZ321-182200-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
WEST WINDS UP TO 10 MPH INCREASING TO NORTHWEST 10 TO 20 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH BECOMING NORTHEAST UP TO 5 MPH AFTER
MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 40S. EAST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 40S.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS IN THE LOWER 40S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 70S.
MTZ322-182200-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS 63 TO 73. WEST WINDS 5 TO 15 MPH. GUSTS UP
TO 25 MPH INCREASING TO 35 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 37 TO 45. NORTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 45 MPH DECREASING TO UP TO 5 MPH WITH GUSTS
TO AROUND 25 MPH AFTER MIDNIGHT.
JUNETEENTH
PARTLY SUNNY. HIGHS 67 TO 75. EAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 52. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 74.
SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 42 TO 48.
SUNDAY
SUNNY. HIGHS 63 TO 73.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 45.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 62 TO 70. LOWS
39 TO 45.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 70 TO 78. LOWS
45 TO 51.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 68 TO 78.
MTZ323-182200-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
336 AM MDT THU JUN 18 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP
TO 5 MPH WITH GUSTS TO AROUND 20 MPH INCREASING TO NORTHWEST
10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS 15 TO
20 MPH WITH GUSTS TO AROUND 45 MPH DECREASING TO UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH AFTER MIDNIGHT.
JUNETEENTH
PARTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS UP
TO 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS UP
TO 10 MPH.
SATURDAY
PARTLY SUNNY. 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 SOUTHWEST IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 70S.
LOWS IN THE MID 40S.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS IN THE LOWER 50S.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ324-182200-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO 15 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 40 MPH DECREASING TO UP TO 5 MPH WITH
GUSTS TO AROUND 20 MPH AFTER MIDNIGHT.
JUNETEENTH
PARTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS UP
TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS UP TO 10 MPH. GUSTS UP
TO 25 MPH IN THE EVENING.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE MID 70S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID 70S.
LOWS IN THE MID 40S.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ325-182200-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO
15 MPH DECREASING TO UP TO 5 MPH AFTER MIDNIGHT. GUSTS UP TO
35 MPH.
JUNETEENTH
PARTLY SUNNY. HIGHS AROUND 80. NORTH WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. CHANCE OF
PRECIPITATION 60 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 70S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 70S.
LOWS IN THE MID 40S.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ326-182200-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE EAST UP TO
5 MPH AFTER MIDNIGHT.
JUNETEENTH
PARTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS UP
TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 50. EAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON. CHANCE OF PRECIPITATION
70 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 40S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 70S.
LOWS IN THE MID 40S.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 79 43 81 / 10 0 0
BOZEMAN MSU 76 44 78 / 10 0 0
MTZ330-182200-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS 61 TO 73. WEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH INCREASING TO 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS 37 TO 43. NORTH WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 35 MPH.
JUNETEENTH
PARTLY SUNNY. HIGHS 67 TO 77. EAST WINDS UP TO
5 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 46 TO 52. SOUTHWEST WINDS
5 TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. GUSTS UP TO
25 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 58 TO 68. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING. LOWS 40 TO 46. CHANCE OF
PRECIPITATION 70 PERCENT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 60 TO 70. LOWS 36 TO 42.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 59 TO 69. LOWS
37 TO 43.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLEAR. HIGHS 66 TO 76. LOWS
43 TO 49.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 66 TO 76.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 75 36 81 / 0 0 0
MTZ327-182200-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS 63 TO 73. WEST WINDS UP TO 10 MPH
INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE NORTHEAST UP
TO 5 MPH WITH GUSTS TO AROUND 20 MPH AFTER MIDNIGHT.
JUNETEENTH
WARMER. PARTLY SUNNY IN THE MORNING THEN CLEARING.
HIGHS 69 TO 79. SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 50. NORTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 60 TO 70. WEST WINDS UP TO 10 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
SATURDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
PARTLY CLOUDY AFTER MIDNIGHT. LOWS 37 TO 43. CHANCE OF
PRECIPITATION 30 PERCENT.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLEAR. HIGHS 62 TO 73. LOWS
IN THE UPPER 30S.
TUESDAY
WARMER, SUNNY. HIGHS 69 TO 79.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 67 TO 77.
MTZ328-182200-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS 75 TO 81. WEST WINDS UP TO 15 MPH. GUSTS UP
TO 30 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS UP TO
15 MPH WITH GUSTS TO AROUND 35 MPH.
JUNETEENTH
PARTLY SUNNY. HIGHS 78 TO 84. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHEAST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 69 TO 75. SOUTHWEST WINDS UP TO 10 MPH. CHANCE
OF PRECIPITATION 70 PERCENT.
SATURDAY 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
50 PERCENT.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLEAR. HIGHS 72 TO 78. LOWS
IN THE LOWER 40S.
TUESDAY
SUNNY. HIGHS 79 TO 85.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 78 TO 84.
TEMPERATURE / PRECIPITATION
DILLON 80 43 82 / 0 0 0
MTZ329-182200-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
336 AM MDT THU JUN 18 2026
TODAY
SUNNY. HIGHS 67 TO 75. WEST WINDS UP TO 10 MPH
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS 71 TO 79. EAST WINDS UP TO
5 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE WEST 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO 5 MPH
AFTER MIDNIGHT.
SATURDAY
RAIN SHOWERS LIKELY IN THE MORNING, THEN RAIN SHOWERS
AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 68.
SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE WEST 5 TO 15 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. HIGHS 63 TO 71.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 65 TO 73. LOWS IN
THE LOWER 40S.
TUESDAY
SUNNY. HIGHS 71 TO 79.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
40S. HIGHS 70 TO 78.
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