071
FPUS55 KTFX 180633
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
1233 AM MDT THU JUN 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR .TONIGHT THROUGH TODAY..., 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
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 50 TO 60. LOWS 37 TO 44. EAST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 70 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. NORTHWEST WINDS 10 TO
20 MPH DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT.
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.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS 58 TO 68.
MTZ307-191000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 54 TO 64. LOWS 36 TO 44.
EAST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
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 AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 62 TO 74.
LOWS 40 TO 46. WEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND
35 MPH.
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.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 48.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 61 TO 71.
MTZ302-191000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 60S. LOWS
40 TO 45. WEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
70 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
BREEZY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN SHOWERS IN THE EVENING. LOWS IN THE MID 40S. NORTHWEST WINDS
10 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.
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 THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 70S. LOWS IN THE
UPPER 40S.
MTZ308-191000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS IN THE
MID 40S. NORTH WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
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. NORTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
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 THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS IN THE
LOWER 50S.
MTZ303-191000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS IN THE
LOWER 40S. NORTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND
30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
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. NORTHWEST
WINDS 15 TO 25 MPH. 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.
WEDNESDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF
PRECIPITATION 30 PERCENT.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S.
TEMPERATURE / PRECIPITATION
CUT BANK 42 70 47 77 / 50 0 0 20
MTZ304-191000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 62 TO 68. LOWS 41 TO 46.
NORTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
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. NORTHWEST WINDS 10 TO 20 MPH.
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 THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 74 TO 81. LOWS IN THE LOWER 50S.
MTZ305-191000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
BREEZY. PARTLY CLOUDY. RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS IN
THE LOWER 40S. NORTHWEST WINDS UP TO 25 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
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. EAST WINDS 10 TO 20 MPH
SHIFTING TO THE NORTHWEST AFTER MIDNIGHT. 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.
WEDNESDAY 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. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
HAVRE 43 73 49 81 / 70 0 0 0
MTZ306-191000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
BREEZY. MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS IN THE LOWER 40S.
NORTHWEST WINDS UP TO 25 MPH. CHANCE OF PRECIPITATION 80 PERCENT.
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. 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 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.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. CHANCE OF PRECIPITATION 30 PERCENT.
MTZ309-191000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS IN
THE LOWER 40S. NORTH WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
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. NORTHWEST
WINDS 5 TO 15 MPH.
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.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S.
MTZ310-191000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS IN THE MID 40S.
NORTHWEST WINDS UP TO 15 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. NORTHWEST WINDS 5 TO
15 MPH. 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.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S.
MTZ311-191000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS. HIGHS 62 TO 68. LOWS 42 TO 47. NORTHWEST WINDS
UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
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. EAST WINDS 10 TO 15 MPH
SHIFTING TO THE NORTHWEST 5 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO
30 MPH. 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.
WEDNESDAY 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. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
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.
MTZ312-191000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS IN THE MID 40S.
NORTHEAST WINDS UP TO 15 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. NORTHWEST WINDS 5 TO 15 MPH.
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.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS 77 TO 83.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 45 74 49 82 / 60 0 0 10
MTZ313-191000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS IN THE LOWER 40S.
WEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
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. WEST WINDS 5 TO
15 MPH. 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.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
CHANCE OF PRECIPITATION 30 PERCENT.
MTZ314-191000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS 43 TO 48. WEST
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
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. SOUTHEAST WINDS 5 TO 15 MPH SHIFTING TO THE WEST AFTER
MIDNIGHT. 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 THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS IN THE
LOWER 50S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 40 71 46 75 / 70 0 0 10
MTZ315-191000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 61 TO 71. LOWS 40 TO 46. NORTHEAST WINDS UP
TO 15 MPH.
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
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 62 TO 72. LOWS IN
THE LOWER 40S.
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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 69 TO 77. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS 67 TO 75.
MTZ316-191000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 64 TO 72. LOWS IN THE MID
40S. NORTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
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. NORTHWEST
WINDS 5 TO 15 MPH.
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.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS 73 TO 81.
MTZ317-191000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 56 TO 64. LOWS 36 TO 44. NORTH WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
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. WEST WINDS 5 TO 10 MPH
WITH GUSTS TO AROUND 25 MPH. 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.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. LOWS 44 TO 50. HIGHS 65 TO 73.
MTZ318-191000-
SNOWY AND JUDITH MOUNTAINS-
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS. HIGHS 56 TO 64. LOWS 38 TO 43. WEST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
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. SOUTHWEST
WINDS 5 TO 10 MPH SHIFTING TO THE WEST 5 TO 15 MPH AFTER
MIDNIGHT. GUSTS UP TO 30 MPH.
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.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 75. CHANCE
OF PRECIPITATION 30 PERCENT.
MTZ319-191000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. HIGHS IN THE MID 70S. LOWS IN THE MID 40S. NORTHWEST
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
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. NORTHWEST WINDS 5 TO 15 MPH.
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.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
HELENA 47 80 51 82 / 10 0 0 10
MTZ320-191000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 60 TO 70. LOWS 40 TO 45. NORTHEAST WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
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. WEST WINDS UP TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 67 TO 77. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS 66 TO 76.
MTZ321-191000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS IN
THE LOWER 40S. NORTHEAST WINDS UP TO 20 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
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. WEST WINDS UP TO 15 MPH.
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 THROUGH THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 70S. LOWS IN THE MID
40S.
MTZ322-191000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 63 TO 73. LOWS 37 TO 46.
NORTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 45 MPH.
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. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 68 TO 78. LOWS 42 TO 50.
THURSDAY
SUNNY. HIGHS 67 TO 77.
MTZ323-191000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE MID 70S. LOWS 43 TO
48. NORTH WINDS UP TO 20 MPH WITH GUSTS TO AROUND 45 MPH.
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. WEST WINDS 5 TO 15 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
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.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S.
MTZ324-191000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 70S. LOWS IN
THE MID 40S. NORTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND
40 MPH.
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. WEST WINDS UP TO 10 MPH. GUSTS UP TO
25 MPH IN THE EVENING.
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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
MTZ325-191000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. LOWS
40 TO 46. NORTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 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. SOUTH WINDS
UP TO 10 MPH. 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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE
UPPER 40S.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S.
MTZ326-191000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. LOWS IN
THE MID 40S. EAST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
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. SOUTHWEST WINDS UP TO 10 MPH.
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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS AROUND 80.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 43 81 49 77 / 10 0 0 60
BOZEMAN MSU 44 78 49 74 / 10 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
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 61 TO 73. LOWS 36 TO 43.
NORTHEAST 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. WEST WINDS UP TO
10 MPH. 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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 66 TO 76. LOWS 41 TO 47.
THURSDAY
SUNNY. HIGHS 64 TO 74.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 35 81 44 69 / 0 0 0 90
MTZ327-191000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 63 TO 73. LOWS 34 TO 42.
NORTHEAST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
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. WEST WINDS UP TO
15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. 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.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER
40S. HIGHS 65 TO 75.
MTZ328-191000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 75 TO 81. LOWS 40 TO 46.
NORTHEAST 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. WEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH. 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.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS 77 TO 83.
TEMPERATURE / PRECIPITATION
DILLON 42 82 50 74 / 0 0 0 70
MTZ329-191000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
1233 AM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. HIGHS 67 TO 75. LOWS 37 TO 45.
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. WEST WINDS UP TO 15 MPH. GUSTS UP TO
30 MPH IN THE EVENING.
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 THROUGH THURSDAY
MOSTLY CLEAR. LOWS IN THE MID
40S. HIGHS 69 TO 78.
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