610
FPUS55 KTFX 190142
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
742 PM MDT THU JUN 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR THE REST OF TONIGHT, JUNETEENTH, FRIDAY NIGHT, AND
SATURDAY.
MTZ301-191000-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS
EARLY IN THE EVENING, THEN MOSTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE EVENING. PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO
THE EAST AFTER MIDNIGHT. GUSTS UP TO 25 MPH. CHANCE OF SHOWERS
40 PERCENT.
JUNETEENTH
WARMER. MOSTLY SUNNY. HIGHS 57 TO 67. SOUTHEAST
WINDS UP TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
WARMER. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 62 TO 74.
SOUTHWEST WINDS UP TO 10 MPH INCREASING TO 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
30 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 40 TO 46. NORTHWEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 35 MPH. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY
MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 50 TO 60. CHANCE OF
PRECIPITATION 70 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 36 TO 42. CHANCE OF
PRECIPITATION 60 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 51 TO 61. CHANCE OF
PRECIPITATION 40 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
WARMER, SUNNY. HIGHS 61 TO 71.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 65 TO 75.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 76.
MTZ307-191000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS EARLY
IN THE EVENING. LOWS 36 TO 42. NORTHEAST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
JUNETEENTH
WARMER. MOSTLY SUNNY. HIGHS 58 TO 68. SOUTHEAST
WINDS UP TO 10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 46. EAST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
SATURDAY
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. HIGHS 64 TO 76. 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. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 41 TO 47. WEST WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
SUNDAY
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. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 36 TO 42. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
53 TO 63. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 36 TO 42. HIGHS
62 TO 72.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 48.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 67 TO 77.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS 44 TO 50.
HIGHS 66 TO 78.
MTZ302-191000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS 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.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST
WINDS UP TO 10 MPH INCREASING TO 10 TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST
WINDS 10 TO 20 MPH BECOMING SOUTH UP TO 10 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 5 MPH
WITH GUSTS TO AROUND 20 MPH INCREASING TO 10 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 40S. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
SUNDAY
COOLER. MOSTLY 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 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 LOWER 60S.
MONDAY NIGHT AND TUESDAY
WARMER. MOSTLY CLEAR. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS AROUND 80. LOWS IN THE LOWER 50S.
MTZ308-191000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE MID 40S. NORTH WINDS UP
TO 10 MPH.
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. EAST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE WEST
AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS UP TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
COOLER. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S.
CHANCE OF PRECIPITATION 40 PERCENT.
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 MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 80S.
MTZ303-191000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
AROUND 40. NORTH WINDS 5 TO 15 MPH SHIFTING TO THE NORTHWEST UP
TO 5 MPH AFTER MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS AROUND 70. SOUTH WINDS UP TO 5 MPH
INCREASING TO SOUTHEAST 10 TO 15 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST
WINDS 10 TO 20 MPH DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE MID 40S. NORTHWEST WINDS 15 TO 25 MPH.
GUSTS UP TO 40 MPH AFTER MIDNIGHT.
SUNDAY
BREEZY, COOLER. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE
MID 60S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE
LOWER 50S.
TEMPERATURE / PRECIPITATION
CUT BANK 40 70 46 79 / 20 0 0 10
MTZ304-191000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO
5 MPH AFTER MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS AROUND 70. SOUTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. HIGHS 76 TO 82. SOUTHEAST WINDS 5 TO
15 MPH.
SATURDAY NIGHT
BREEZY. 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 IN THE UPPER 40S. SOUTH WINDS 5 TO 15 MPH SHIFTING TO THE
NORTHWEST 10 TO 25 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
SUNDAY
COOLER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 69.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN SHOWERS. LOWS IN THE LOWER 40S. HIGHS 61 TO 67.
MONDAY NIGHT AND TUESDAY
WARMER. MOSTLY CLEAR. LOWS IN THE
LOWER 40S. HIGHS 72 TO 78.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 78 TO 88. LOWS IN THE LOWER 50S.
MTZ305-191000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
NORTHWEST WINDS 10 TO 15 MPH DECREASING TO UP TO 10 MPH AFTER
MIDNIGHT.
JUNETEENTH
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHEAST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 40S. EAST WINDS 10 TO 15 MPH SHIFTING TO THE NORTH AFTER
MIDNIGHT. GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
BREEZY, COOLER. MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS
IN THE LOWER 40S.
MONDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS IN THE MID 60S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE
LOWER 50S.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
TEMPERATURE / PRECIPITATION
HAVRE 41 72 48 82 / 10 0 0 0
MTZ306-191000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
JUNETEENTH
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS UP
TO 10 MPH.
FRIDAY NIGHT
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 UPPER 70S.
SOUTHEAST WINDS 15 TO 30 MPH.
SATURDAY NIGHT
BREEZY. MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. LOWS
AROUND 50. EAST WINDS 10 TO 25 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
SUNDAY
BREEZY. PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS
IN THE UPPER 60S. CHANCE OF SHOWERS 40 PERCENT.
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
RAIN SHOWERS. LOWS IN THE MID 40S.
MONDAY
BREEZY. PARTLY 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
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
SUNNY. HIGHS IN THE LOWER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS AROUND 80. LOWS IN THE LOWER 50S.
MTZ309-191000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY UNTIL EARLY MORNING THEN
BECOMING PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS EARLY
IN THE EVENING. LOWS IN THE LOWER 40S. NORTHWEST 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 MID 40S. EAST WINDS
10 TO 15 MPH DECREASING TO UP TO 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS UP TO
10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH INCREASING TO
NORTHWEST 15 TO 20 MPH AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
COOLER. PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS IN THE
LOWER 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
MTZ310-191000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
AFTER MIDNIGHT THEN BECOMING PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS EARLY IN THE EVENING. LOWS IN THE LOWER 40S.
NORTHWEST WINDS UP TO 10 MPH.
JUNETEENTH
SUNNY. HIGHS IN THE LOWER 70S. EAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. EAST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 35 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
5 TO 15 MPH. GUSTS UP TO 35 MPH DECREASING TO 25 MPH IN THE
AFTERNOON.
SATURDAY 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 IN THE
LOWER 50S. SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE NORTHWEST
10 TO 15 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
COOLER. MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SUNDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS IN THE MID 40S. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS IN THE UPPER 60S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE
LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
MTZ311-191000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS UP TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
JUNETEENTH
SUNNY. HIGHS 66 TO 72. NORTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. EAST WINDS 5 TO
15 MPH. GUSTS UP TO 30 MPH INCREASING TO 40 MPH AFTER MIDNIGHT.
SATURDAY
WARMER. MOSTLY SUNNY. HIGHS 75 TO 81. SOUTHEAST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. SOUTHEAST WINDS 5 TO 15 MPH SHIFTING TO THE NORTHWEST
5 TO 10 MPH AFTER MIDNIGHT. GUSTS UP TO 30 MPH. CHANCE OF
PRECIPITATION 50 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
PARTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF PRECIPITATION
30 PERCENT.
MONDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS 60 TO 66.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS 69 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 75 TO 85. LOWS IN THE LOWER 50S.
MTZ312-191000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING, THEN PARTLY CLOUDY IN THE LATE
EVENING AND OVERNIGHT. LOWS IN THE MID 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 SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 85. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
COOLER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70.
SUNDAY 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 IN THE
MID 40S. CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 70.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS 73 TO 79.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 80 TO 86.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS 83 TO 89.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 44 73 48 83 / 20 0 0 10
MTZ313-191000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE LOWER 40S. NORTH WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE WEST
AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST 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 WITH GUSTS TO AROUND 40 MPH.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. 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
AROUND 50. SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE WEST 10 TO
15 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S.
SUNDAY 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 IN THE
LOWER 40S. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 60S. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 70S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS AROUND 80. LOWS AROUND 50.
MTZ314-191000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE MID 40S. NORTHWEST
WINDS UP TO 15 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 5 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE WEST 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
BREEZY. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 40S.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE MID 60S. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE MID 70S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE
LOWER 50S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 39 70 45 77 / 20 0 0 20
MTZ315-191000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE LOWER 40S. NORTHEAST
WINDS UP TO 15 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS 63 TO 73. EAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 78. SOUTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 44 TO 50. WEST WINDS 5 TO 15 MPH.
GUSTS UP TO 30 MPH IN THE EVENING.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 61 TO 71.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS 58 TO 68.
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 72 TO 82.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS AROUND 50.
HIGHS 72 TO 82.
MTZ316-191000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE LOWER 40S. NORTH WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH DECREASING TO UP TO 5 MPH
AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY. HIGHS 67 TO 75. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
SATURDAY
WARMER. PARTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 83. SOUTHWEST WINDS
UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
AROUND 50. WEST WINDS UP TO 15 MPH.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS 62 TO 73. LOWS IN THE MID 40S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS 72 TO 80.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 77 TO 85.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS 79 TO 87.
MTZ317-191000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS 36 TO 42. NORTH WINDS UP TO
10 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
JUNETEENTH
WARMER. MOSTLY SUNNY. HIGHS 60 TO 68. SOUTHEAST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 43 TO 49. SOUTHEAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
SATURDAY
WARMER. PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 75.
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. CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
45 TO 51. WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 58 TO 66.
SUNDAY NIGHT
COLDER. 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
38 TO 44. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 62.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 37 TO 43. HIGHS
63 TO 71.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 49.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 68 TO 79. LOWS 46 TO 52.
MTZ318-191000-
SNOWY AND JUDITH MOUNTAINS-
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE UPPER 30S. NORTHWEST
WINDS UP TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
JUNETEENTH
MOSTLY SUNNY. HIGHS 61 TO 67. NORTHWEST WINDS UP TO
5 MPH SHIFTING TO THE EAST WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 40S. SOUTHEAST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
SATURDAY
PARTLY SUNNY. HIGHS 68 TO 74. SOUTHEAST WINDS 5 TO
10 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
IN THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE WEST
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 68. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS
54 TO 60. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS 63 TO 69.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 69 TO 75. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. A 30 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 78.
MTZ319-191000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH BECOMING NORTHWEST
UP TO 5 MPH AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS
UP TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS 5 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 IN THE LOWER 80S.
SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST IN THE
AFTERNOON. CHANCE OF PRECIPITATION 30 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 UPPER 40S. WEST WINDS 5 TO 10 MPH.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 70S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S.
TEMPERATURE / PRECIPITATION
HELENA 46 78 50 83 / 0 0 0 30
MTZ320-191000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
742 PM MDT THU JUN 18 2026
REST OF 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
PARTLY SUNNY. HIGHS 62 TO 72. SOUTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
5 TO 10 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 76.
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 UPPER 40S. WEST WINDS UP TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 61 TO 71.
SUNDAY 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 IN THE
LOWER 40S. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
57 TO 67. CHANCE OF PRECIPITATION 50 PERCENT.
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
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 70 TO 80.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS 71 TO 81.
MTZ321-191000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING. LOWS IN THE UPPER 30S. NORTH WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO 5 MPH
AFTER MIDNIGHT.
JUNETEENTH
PARTLY SUNNY. HIGHS AROUND 70. EAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE
AFTERNOON. CHANCE OF PRECIPITATION 40 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. SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
WEST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
60S. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 70S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS IN THE
UPPER 40S.
THURSDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ322-191000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 36 TO 44. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 40 MPH DECREASING TO UP TO 10 MPH
WITH GUSTS TO AROUND 30 MPH AFTER MIDNIGHT.
JUNETEENTH
MOSTLY SUNNY. HIGHS 65 TO 73. SOUTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 50. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 66 TO 76. SOUTH
WINDS UP TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON. CHANCE
OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 43 TO 49. WEST WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 25 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
SUNNY. HIGHS 62 TO 72.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS 38 TO 46. HIGHS 59 TO 69.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 37 TO 45. HIGHS
68 TO 78.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO 50.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 72 TO 82.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51.
THURSDAY
SUNNY. HIGHS 72 TO 82.
MTZ323-191000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH
WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH DECREASING TO UP
TO 10 MPH WITH GUSTS TO AROUND 30 MPH AFTER MIDNIGHT.
JUNETEENTH
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
UP TO 10 MPH.
SATURDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
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 UPPER 40S. SOUTHWEST WINDS 5 TO
10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
MTZ324-191000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 40 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 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
SATURDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S. EAST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
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 UPPER 40S. SOUTHWEST WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
MTZ325-191000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. 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 IN THE UPPER 70S. NORTH WINDS
UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHEAST 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 MID 70S. SOUTH WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. SOUTHWEST WINDS UP
TO 10 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
MTZ326-191000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
NORTHEAST UP TO 5 MPH AFTER MIDNIGHT.
JUNETEENTH
PARTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS UP
TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. EAST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
CHANCE OF PRECIPITATION 70 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. SOUTHWEST WINDS UP
TO 10 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 70S. LOWS IN THE MID 40S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 42 78 47 79 / 0 0 10 60
BOZEMAN MSU 43 76 48 77 / 0 0 10 70
MTZ330-191000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS 37 TO 43. NORTH WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 35 MPH.
JUNETEENTH
PARTLY SUNNY. HIGHS 65 TO 75. NORTHEAST WINDS UP TO
5 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 51. EAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 60 TO 70. SOUTH WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 41 TO 47. WEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
60 TO 70. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 37 TO 43.
MONDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 59 TO 69.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 36 TO 42. HIGHS
67 TO 77.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 48.
WEDNESDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 68 TO 78.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 49.
THURSDAY
SUNNY. HIGHS 68 TO 78.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 36 80 43 72 / 0 0 10 90
MTZ327-191000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
NORTH UP TO 5 MPH WITH GUSTS TO AROUND 20 MPH AFTER MIDNIGHT.
JUNETEENTH
WARMER. MOSTLY SUNNY. HIGHS 68 TO 78. SOUTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS
UP TO 25 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 43 TO 49. NORTH WINDS UP TO
10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 62 TO 72. WEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. 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 38 TO 44. WEST WINDS UP TO 15 MPH. GUSTS UP
TO 30 MPH IN THE EVENING. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
SUNNY. HIGHS 62 TO 72.
SUNDAY NIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 30S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 62 TO 72. LOWS IN
THE UPPER 30S.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 70 TO 80. LOWS
42 TO 48.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 48.
THURSDAY
SUNNY. HIGHS 69 TO 79.
MTZ328-191000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 40 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS 76 TO 82. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHEAST WINDS UP
TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 71 TO 77. SOUTHWEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 70 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID
40S. WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
SUNNY. HIGHS 72 TO 78.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 40S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 71 TO 77. LOWS IN
THE LOWER 40S.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. HIGHS 80 TO 87. LOWS
IN THE UPPER 40S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS 80 TO 86.
TEMPERATURE / PRECIPITATION
DILLON 43 81 49 76 / 0 0 10 70
MTZ329-191000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
742 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS UP TO 15 MPH.
JUNETEENTH
MOSTLY SUNNY. HIGHS 70 TO 78. NORTH WINDS UP TO
5 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE WEST WITH GUSTS
TO AROUND 30 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 62 TO 70. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST
5 TO 15 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 40S.
WEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 64 TO 72.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 40S.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 64 TO 72. LOWS
AROUND 40.
TUESDAY
WARMER, SUNNY. HIGHS 72 TO 80.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS 72 TO 80.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
THURSDAY
SUNNY. HIGHS 71 TO 79.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page