959
FPUS55 KTFX 181531
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
930 AM MDT SAT APR 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR THE REST OF TODAY, TONIGHT, AND SUNDAY.
...HIGHLIGHTS HAVE BEEN ISSUED FOR PORTIONS OF THE ZONE
FORECAST AREA. PLEASE REFER TO THE LATEST BULLETIN(S) FOR
DETAILS...
MTZ301-182200-
EAST GLACIER PARK REGION-
INCLUDING EAST GLACIER PARK, KIOWA, BABB, SAINT MARY,
MARIAS PASS, AND LOGAN PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
SUNNY LATE IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 35 TO 45. SOUTHWEST WINDS 10 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. SOUTHWEST WINDS 5 TO
15 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 45 TO 55. SOUTHWEST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY
WARMER. PARTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS 55 TO 65. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 35 TO 45. HIGHS
60 TO 70.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 40 TO 45.
WEDNESDAY
COOLER. RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. MODERATE SNOW ACCUMULATIONS. HIGHS 45 TO 55.
CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. SNOW AND RAIN. HEAVY SNOW
ACCUMULATIONS. LOWS 25 TO 30. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
BREEZY, COLDER. MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. HIGHS 30 TO 40.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS 20 TO 25.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
30 TO 40.
MTZ307-182200-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING ROGERS PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 40 TO 50. WEST WINDS
5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. WEST WINDS UP TO 10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 50 TO 60. SOUTHWEST WINDS
5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 40. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 55 TO
65. WEST WINDS 5 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS
60 TO 70.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 40 TO 45.
WEDNESDAY
COOLER. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 45 TO 55. CHANCE OF PRECIPITATION
90 PERCENT.
WEDNESDAY NIGHT
COLDER. SNOW AND RAIN. HEAVY SNOW
ACCUMULATIONS. LOWS 25 TO 30. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
COLDER. SNOW LIKELY. MODERATE SNOW ACCUMULATIONS.
HIGHS 30 TO 40. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT
CHANCE OF SNOW. LOWS 20 TO 25. HIGHS 30 TO 40.
MTZ302-182200-
NORTHERN HIGH PLAINS-
INCLUDING BROWNING, HEART BUTTE, AND DUPUYER
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 50 TO 55. WEST WINDS
10 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. WEST WINDS 5 TO 15 MPH.
SUNDAY
SUNNY. HIGHS 60 TO 65. SOUTHWEST WINDS 5 TO 10 MPH
SHIFTING TO THE WEST 10 TO 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 40. WEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. WEST WINDS 5 TO 15 MPH.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO
45. HIGHS AROUND 75.
WEDNESDAY
BREEZY, COOLER. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 55 TO 60. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN WITH SNOW LIKELY. LIGHT
SNOW ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
WINDY, COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS AROUND 40.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
40 TO 45.
MTZ308-182200-
SOUTHERN HIGH PLAINS-
INCLUDING BYNUM, CHOTEAU, AND PENDROY
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS IN THE MID 50S. WEST
WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. WEST WINDS UP TO 10 MPH.
SUNDAY
WARMER, SUNNY. HIGHS 65 TO 70. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 40. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 70 TO
75. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND
45. HIGHS 75 TO 80.
WEDNESDAY
COOLER. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 60 TO 65. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. LIGHT SNOW
ACCUMULATIONS. LOWS 30 TO 35. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
BREEZY, COOLER. SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. HIGHS 40 TO 45. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 25. HIGHS AROUND 45.
MTZ303-182200-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING CUT BANK, ETHRIDGE, AND SANTA RITA
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 55 TO 60. WEST WINDS
5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. WEST WINDS 5 TO
15 MPH.
SUNDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS
65 TO 70. SOUTHWEST WINDS UP TO 10 MPH INCREASING TO 10 TO 15 MPH
IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. WEST WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 70 TO
75. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE
AFTERNOON.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
75 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
WEDNESDAY
BREEZY, COOLER. MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF RAIN. HIGHS 60 TO 65.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SNOW LIKELY. LIGHT
SNOW ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY
WINDY, COOLER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS 40 TO 45.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 45.
TEMPERATURE / PRECIPITATION
CUT BANK 57 25 67 / 0 0 0
MTZ304-182200-
EASTERN TOOLE AND LIBERTY-
INCLUDING DEVON, SHELBY, CHESTER, GALATA, JOPLIN, LOTHAIR,
AND WHITLASH
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 55 TO 60. WEST WINDS
5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 65 TO 70. SOUTH WINDS UP TO 5 MPH SHIFTING
TO THE SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. WEST WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
70 TO 75. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH IN
THE AFTERNOON.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS
75 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
WEDNESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS 65 TO 70.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN WITH SNOW LIKELY. LIGHT
SNOW ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION
80 PERCENT.
THURSDAY
BREEZY. MUCH COOLER. MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. HIGHS 40 TO 45.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 45.
MTZ305-182200-
HILL COUNTY-
INCLUDING HAVRE
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 55 TO 60. WEST WINDS
5 TO 15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 25 TO 30. NORTHEAST WINDS 5 TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 65 TO 70. SOUTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
70 TO 75. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 80. LOWS
45 TO 50.
WEDNESDAY
COOLER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
RAIN. HIGHS AROUND 70.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN SHOWERS, SNOW LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 30 TO 35. CHANCE OF
PRECIPITATION 70 PERCENT.
THURSDAY
WINDY. MUCH COOLER. MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW AND RAIN. HIGHS AROUND 45.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 45.
TEMPERATURE / PRECIPITATION
HAVRE 59 27 69 / 0 0 0
MTZ306-182200-
NORTHERN BLAINE COUNTY-
INCLUDING CHINOOK, ZURICH, HARLEM, HOGELAND, AND FORT BELKNAP
930 AM MDT SAT APR 18 2026
REST OF TODAY
SUNNY LATE IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 50 TO 55. NORTHWEST WINDS 10 TO 20 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 25 TO 30. NORTHEAST WINDS 5 TO
15 MPH SHIFTING TO THE EAST 5 TO 10 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 60 TO 65. SOUTHEAST WINDS 5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 35. SOUTH WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO
50. HIGHS 75 TO 80.
WEDNESDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
HIGHS 70 TO 75.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS, SNOW LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 30 TO 35. CHANCE OF
PRECIPITATION 70 PERCENT.
THURSDAY
WINDY. MUCH COOLER. RAIN LIKELY AND CHANCE OF SNOW.
HIGHS 45 TO 50. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
AND SNOW. LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 45.
MTZ309-182200-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING BRADY, CONRAD, AND LEDGER
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS AROUND 60. WEST WINDS
5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. WEST WINDS UP TO
10 MPH.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 35. WEST WINDS 5 TO
10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 75. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
SUNNY. HIGHS AROUND 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
WEDNESDAY
COOLER. PARTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 65 TO 70. CHANCE OF
PRECIPITATION 60 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. LOWS AROUND 30.
CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY
BREEZY. MUCH COOLER. SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. HIGHS AROUND 45. CHANCE OF SNOW 60 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 25. HIGHS AROUND 45.
MTZ310-182200-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING FLOWEREE, CARTER, AND FORT BENTON
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS AROUND 60. WEST WINDS
5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. WEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS UP TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS
5 TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 75. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO
50. HIGHS AROUND 80.
WEDNESDAY
COOLER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
RAIN. HIGHS AROUND 70.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 30 TO 35. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
BREEZY. MUCH COOLER. SNOW AND RAIN LIKELY. MODERATE
SNOW ACCUMULATIONS. HIGHS AROUND 45. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS 25 TO 30. HIGHS AROUND 45.
MTZ311-182200-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING ROCKY BOY
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 50 TO 60. WEST WINDS
5 TO 15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTH WINDS 5 TO 10 MPH
SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SUNDAY
WARMER, SUNNY. HIGHS 60 TO 70. SOUTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTHWEST WINDS
5 TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 70 TO
75. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 45.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 75 TO 80. LOWS
AROUND 50.
WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.
HIGHS 70 TO 75.
WEDNESDAY NIGHT
BREEZY, COLDER. SNOW WITH POSSIBLE SHOWERS AND
THUNDERSTORMS LIKELY. LIGHT SNOW ACCUMULATIONS. LOWS AROUND 35.
CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY
WINDY. MUCH COOLER. SNOW AND RAIN LIKELY. MODERATE
SNOW ACCUMULATIONS. HIGHS 40 TO 45. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 25. HIGHS 40 TO 45.
MTZ312-182200-
CASCADE COUNTY BELOW 5000FT-
INCLUDING GREAT FALLS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 55 TO 60. WEST WINDS
10 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY
SUNNY. HIGHS 65 TO 70. SOUTHWEST WINDS UP TO 10 MPH
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 70 TO
75. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
TUESDAY
SUNNY. HIGHS AROUND 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
WEDNESDAY
COOLER. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 65 TO 70. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 30 TO 35. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
BREEZY. MUCH COOLER. SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. HIGHS 40 TO 45. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 25. HIGHS AROUND 45.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 58 29 68 / 0 0 0
MTZ313-182200-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING RAYNESFORD, GEYSER, STANFORD, WINDHAM, BENCHLAND,
HOBSON, AND MOCCASIN
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS IN THE MID 50S. WEST
WINDS 10 TO 20 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. WEST WINDS 5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 70. WEST WINDS 5 TO 15 MPH SHIFTING TO THE NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS AROUND 45. HIGHS
75 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
RAIN LIKELY. HIGHS 65 TO 70. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS. LIGHT SNOW ACCUMULATIONS. LOWS AROUND
30. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
WINDY. MUCH COOLER. SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. HIGHS 40 TO 45. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT
CHANCE OF SNOW. LOWS 20 TO 25. HIGHS 40 TO 45.
MTZ314-182200-
FERGUS COUNTY BELOW 4500FT-
INCLUDING HILGER AND LEWISTOWN
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 55 TO 60. NORTHWEST
WINDS 10 TO 20 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 65 TO 70. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 70 TO
75. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS AROUND 45. HIGHS
AROUND 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 55.
WEDNESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS 70 TO 75.
WEDNESDAY NIGHT
BREEZY. MUCH COLDER. RAIN SHOWERS LIKELY WITH
POSSIBLE SNOW AND THUNDERSTORMS. LOWS 30 TO 35. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY
WINDY. MUCH COOLER. SNOW AND RAIN LIKELY. MODERATE
SNOW ACCUMULATIONS. HIGHS AROUND 45. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.
LOWS 25 TO 30.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 45.
TEMPERATURE / PRECIPITATION
LEWISTOWN 55 28 65 / 0 0 0
MTZ315-182200-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING MARYSVILLE, LINCOLN, FLESHER PASS, AND MACDONALD PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 45 TO 55. WEST WINDS
5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. WEST WINDS UP TO 10 MPH.
SUNDAY
WARMER, SUNNY. HIGHS 55 TO 65. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 40. WEST WINDS UP TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 60 TO
70. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS
65 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 40 TO 45.
WEDNESDAY
COOLER. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 50 TO 60. CHANCE OF PRECIPITATION
90 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. MODERATE SNOW
ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
COLDER. SNOW LIKELY. MODERATE SNOW ACCUMULATIONS.
HIGHS 35 TO 40. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT
CHANCE OF SNOW. LOWS 20 TO 25. HIGHS 35 TO 45.
MTZ316-182200-
GATES OF THE MOUNTAINS-
INCLUDING CANYON CREEK, WOLF CREEK, AND CRAIG
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 50 TO 55. SOUTHWEST
WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 30 TO 35. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY
SUNNY. HIGHS 60 TO 65. SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 40 TO 45. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY
WARMER. PARTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS 70 TO 75. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
TUESDAY
SUNNY. HIGHS 75 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
WEDNESDAY
COOLER. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 60 TO 65. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. LIGHT SNOW
ACCUMULATIONS. LOWS 30 TO 35. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
COOLER. SNOW LIKELY. MODERATE SNOW ACCUMULATIONS.
HIGHS 40 TO 45. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT
CHANCE OF SNOW. LOWS AROUND 25. HIGHS 40 TO 45.
MTZ317-182200-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING MONARCH, NEIHART, AND KINGS HILL PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 45 TO 50. WEST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 35. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY
SUNNY. HIGHS 55 TO 60. SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
WARMER. PARTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS 60 TO 70. WEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
TUESDAY
SUNNY. HIGHS 65 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 45 TO 50.
WEDNESDAY
RAIN LIKELY. HIGHS 55 TO 65. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
MUCH COLDER. SNOW, RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. HEAVY SNOW ACCUMULATIONS. LOWS 25 TO 30.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
BREEZY, COLDER, SNOW. HEAVY SNOW ACCUMULATIONS. HIGHS
35 TO 40. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
LOWS 20 TO 25.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
35 TO 40.
MTZ318-182200-
SNOWY AND JUDITH MOUNTAINS-
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 45 TO 50. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 25 TO 30. WEST WINDS 5 TO 10 MPH
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
SUNDAY
WARMER, SUNNY. HIGHS 55 TO 65. WEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
NOT AS COOL. PARTLY CLOUDY. LOWS AROUND 40.
SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. HIGHS 65 TO 70. WEST WINDS 5 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS
70 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 45 TO 50.
WEDNESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS 60 TO 70.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. MODERATE SNOW
ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
WINDY. MUCH COLDER. SNOW LIKELY. HEAVY SNOW
ACCUMULATIONS. HIGHS 35 TO 40. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS 20 TO 25.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
35 TO 40.
MTZ319-182200-
HELENA VALLEY-
INCLUDING HELENA
930 AM MDT SAT APR 18 2026
REST OF TODAY
SUNNY. HIGHS AROUND 60. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 65 TO 70. SOUTHEAST WINDS UP TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 40. SOUTH WINDS UP TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 75. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO
45. HIGHS AROUND 80.
WEDNESDAY
COOLER. RAIN LIKELY. HIGHS 65 TO 70. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. LOWS 30 TO 35. CHANCE
OF PRECIPITATION 80 PERCENT.
THURSDAY
MUCH COOLER. SNOW AND RAIN LIKELY. HIGHS AROUND 45.
CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.
LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 50.
TEMPERATURE / PRECIPITATION
HELENA 59 31 69 / 0 0 0
MTZ320-182200-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING TRIDENT, MAUDLOW, BATTLE RIDGE PASS, BOZEMAN PASS,
AND DEEP CREEK PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 40 TO 50. SOUTHWEST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 50 TO 60. SOUTHWEST WINDS
5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTH WINDS 5 TO
15 MPH.
MONDAY
WARMER. PARTLY CLOUDY IN THE MORNING THEN CLEARING.
HIGHS 60 TO 70. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
TUESDAY
SUNNY. HIGHS 65 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
WEDNESDAY
RAIN LIKELY. HIGHS 55 TO 65. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. HEAVY SNOW
ACCUMULATIONS. LOWS 30 TO 35. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
BREEZY, COOLER, SNOW. MODERATE SNOW ACCUMULATIONS.
HIGHS 35 TO 45. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS 20 TO 25.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
35 TO 45.
MTZ321-182200-
MEAGHER COUNTY VALLEYS-
INCLUDING MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 50 TO 55. WEST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. WEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 60 TO 65. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS UP
TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
65 TO 70. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
SUNNY. HIGHS 70 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
WEDNESDAY
RAIN LIKELY. HIGHS 60 TO 65. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. LIGHT SNOW
ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
BREEZY, COOLER. SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. HIGHS 40 TO 45. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
40 TO 45.
MTZ322-182200-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING MONTANA CITY, CLANCY, BOULDER, CORBIN, WICKES,
ELK PARK PASS, AND HOMESTAKE PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 45 TO 55. SOUTHWEST
WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. WEST WINDS UP TO 10 MPH.
SUNDAY
WARMER, SUNNY. HIGHS 55 TO 65. SOUTHWEST WINDS 5 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS UP
TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 60 TO
70. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
TUESDAY
SUNNY. HIGHS 65 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
WEDNESDAY
COOLER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
RAIN. HIGHS 50 TO 60.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. HEAVY SNOW
ACCUMULATIONS. LOWS 30 TO 35. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
COLDER. SNOW LIKELY. MODERATE SNOW ACCUMULATIONS.
HIGHS 35 TO 40. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS 20 TO 25.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
35 TO 45.
MTZ323-182200-
CANYON FERRY AREA-
INCLUDING TOSTON, TOWNSEND, AND WINSTON
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 55 TO 60. SOUTH WINDS
5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 30 TO 35. SOUTHWEST WINDS 5 TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 65 TO 70. SOUTH WINDS 5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
70 TO 75. SOUTH WINDS UP TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS AROUND 45. HIGHS
75 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
WEDNESDAY
RAIN LIKELY. HIGHS 65 TO 70. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. LOWS AROUND 35.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
BREEZY, COOLER. SNOW AND RAIN LIKELY. HIGHS 45 TO 50.
CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.
LOWS AROUND 30.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
45 TO 50.
MTZ324-182200-
MISSOURI HEADWATERS-
INCLUDING HARRISON, THREE FORKS, WILLOW CREEK, PONY,
AND WHITEHALL
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 55 TO 60. SOUTHWEST
WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. SOUTHWEST WINDS 5 TO
15 MPH.
SUNDAY
SUNNY. HIGHS 65 TO 70. SOUTHWEST WINDS UP TO 5 MPH
INCREASING TO 5 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 70 TO
75. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
TUESDAY
SUNNY. HIGHS 75 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 45.
WEDNESDAY
COOLER. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
RAIN. HIGHS AROUND 65.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. LOWS AROUND 35. CHANCE
OF PRECIPITATION 80 PERCENT.
THURSDAY
BREEZY, COOLER. SNOW AND RAIN LIKELY. LIGHT SNOW
ACCUMULATIONS. HIGHS 45 TO 50. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF SNOW. LOWS 25 TO 30.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
45 TO 50.
MTZ325-182200-
MADISON RIVER VALLEY-
INCLUDING CAMERON, ENNIS, JEFFERS, MCALLISTER, AND NORRIS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 50 TO 55. SOUTH WINDS
10 TO 20 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. SOUTH WINDS 10 TO 20 MPH.
SUNDAY
SUNNY. HIGHS 60 TO 65. SOUTH WINDS 5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 40. SOUTH WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
AROUND 70. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
TUESDAY
SUNNY. HIGHS 70 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
WEDNESDAY
BREEZY. RAIN LIKELY. HIGHS 60 TO 65. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. LOWS 30 TO 35. CHANCE
OF PRECIPITATION 80 PERCENT.
THURSDAY
COOLER. SNOW AND RAIN LIKELY. LIGHT SNOW
ACCUMULATIONS. HIGHS AROUND 45. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.
LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
45 TO 50.
MTZ326-182200-
GALLATIN VALLEY-
INCLUDING BOZEMAN AND GALLATIN GATEWAY
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS IN THE MID 50S.
SOUTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. SOUTH WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. SOUTH WINDS UP TO
10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
70 TO 75. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE WEST IN THE
AFTERNOON.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO
45. HIGHS AROUND 75.
WEDNESDAY
COOLER. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
RAIN. HIGHS AROUND 65.
WEDNESDAY NIGHT
COLDER. RAIN LIKELY AND SNOW. LOWS AROUND 35.
CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY
COOLER. SNOW LIKELY AND RAIN. LIGHT SNOW
ACCUMULATIONS. HIGHS 45 TO 50. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 50.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 56 25 67 / 0 0 0
BOZEMAN MSU 54 28 65 / 0 0 0
MTZ330-182200-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 35 TO 45. SOUTHWEST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 20 TO 30. SOUTH WINDS 5 TO 15 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 50 TO 60. SOUTH WINDS 5 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 35. SOUTH WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
55 TO 65. SOUTH WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40.
TUESDAY
SUNNY. HIGHS 60 TO 70.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 35 TO 45.
WEDNESDAY
COOLER. RAIN SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LIGHT SNOW ACCUMULATIONS. HIGHS 45 TO
55. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
COLDER. SNOW AND RAIN. HEAVY SNOW
ACCUMULATIONS. LOWS 25 TO 30. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY
COLDER, SNOW. HEAVY SNOW ACCUMULATIONS. HIGHS 30 TO
40. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS 20 TO 25. HIGHS 35 TO 45.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 45 15 58 / 0 0 0
MTZ327-182200-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. PARTLY CLOUDY. HIGHS 40 TO 50.
SOUTHWEST WINDS 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTHWEST WINDS UP
TO 10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 50 TO 60. SOUTHWEST WINDS UP
TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 30 TO 35. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 55 TO
65. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS
60 TO 70.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 35 TO 40.
WEDNESDAY
COOLER. RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. MODERATE SNOW ACCUMULATIONS. HIGHS 45 TO 55.
CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
SNOW AND RAIN. HEAVY SNOW ACCUMULATIONS. LOWS
AROUND 30. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
SNOW. MODERATE SNOW ACCUMULATIONS. HIGHS 35 TO 45.
CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS 20 TO 25.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
35 TO 45.
MTZ328-182200-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING BANNACK, DILLON, GLEN, AND WATERLOO
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 50 TO 55. SOUTH WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. SOUTH WINDS 5 TO 15 MPH.
SUNDAY
SUNNY. HIGHS 60 TO 65. SOUTH WINDS 5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 40. SOUTH WINDS 5 TO 15 MPH.
MONDAY
WARMER. PARTLY CLOUDY IN THE MORNING THEN BECOMING
SUNNY. HIGHS 65 TO 75. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
TUESDAY
SUNNY. HIGHS 70 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
WEDNESDAY
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LIGHT SNOW ACCUMULATIONS. HIGHS 55 TO 65. CHANCE
OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
COOLER. RAIN AND SNOW LIKELY.
HEAVY SNOW ACCUMULATIONS. LOWS AROUND 35. HIGHS 45 TO 50. CHANCE
OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 25. HIGHS 45 TO 50.
TEMPERATURE / PRECIPITATION
DILLON 56 27 66 / 0 0 0
MTZ329-182200-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING MONIDA PASS
930 AM MDT SAT APR 18 2026
REST OF TODAY
NOT AS COOL. SUNNY. HIGHS 40 TO 50. SOUTH WINDS
5 TO 10 MPH INCREASING TO 10 TO 20 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 25 TO 30. SOUTH WINDS 5 TO 15 MPH.
GUSTS UP TO 30 MPH IN THE EVENING.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 50 TO 60. SOUTH WINDS UP TO
10 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 35. SOUTH WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 60 TO
65. SOUTH WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST WITH GUSTS
TO AROUND 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
BREEZY, SUNNY. HIGHS 60 TO 70.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40.
WEDNESDAY
WINDY, COOLER. RAIN SHOWERS, SNOW SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS. LIGHT SNOW ACCUMULATIONS. HIGHS
45 TO 55. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
SNOW AND RAIN LIKELY. HEAVY SNOW
ACCUMULATIONS. LOWS 30 TO 35. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY
BREEZY. SNOW LIKELY. MODERATE SNOW ACCUMULATIONS.
HIGHS 35 TO 45. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS 20 TO 25.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
35 TO 45.
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