032
FPUS65 KTFX 181200
SFPMT
STATE FORECAST FOR MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
600 AM MDT THU JUN 18 2026
MTZ001>007-043-182200-
WEST OF THE CONTINENTAL DIVIDE-
NATIONAL WEATHER SERVICE MISSOULA MT
600 AM MDT THU JUN 18 2026
.../NOTICE/ THE AREA FORECAST PRODUCT (AFP) AND STATE FORECAST
PRODUCT (SFP) FOR MONTANA WILL BE DISCONTINUED JUNE 29, 2026...
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 70S TO LOWER 80S.
TONIGHT
MOSTLY CLEAR. LOWS IN THE 40S.
JUNETEENTH
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.
HIGHS IN THE MID 70S TO LOWER 80S.
SUNDAY
MOSTLY CLEAR. LOWS IN THE 40S TO LOWER 50S. HIGHS IN
THE MID 70S TO LOWER 80S.
MONDAY
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE MID 70S TO
LOWER 80S.
MTZ301>314-316>318-182200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
600 AM MDT THU JUN 18 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 70...
55 TO 65 IN THE MOUNTAINS.
TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 40 TO 45...35 TO 40 IN THE MOUNTAINS.
JUNETEENTH
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON
THEN BECOMING MOSTLY CLOUDY. HIGHS 70 TO 75...60 TO 70 IN THE
MOUNTAINS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 45 TO 50. HIGHS 70 TO 80.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 45 TO 50. HIGHS 60 TO 70.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS
40 TO 45. HIGHS 60 TO 70.
MTZ315-319>330-182200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
600 AM MDT THU JUN 18 2026
TODAY...SUNNY. HIGHS 70 TO 80
60 TO 70 IN THE MOUNTAINS.
TONIGHT
PARTLY CLOUDY. LOWS 40 TO 45.
JUNETEENTH
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. HIGHS
70 TO 80...65 TO 75 IN THE MOUNTAINS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 45 TO 50. HIGHS 65 TO 75.
SUNDAY
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS 65 TO 75.
MONDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.
MTZ016>027-059>062-182200-
NORTHEAST MONTANA-
NATIONAL WEATHER SERVICE GLASGOW MT
600 AM MDT THU JUN 18 2026
TODAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS NEAR 70.
TONIGHT
MOSTLY CLEAR. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE 40S.
JUNETEENTH
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS NEAR 70.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE 70S. LOWS IN THE MID 40S TO LOWER
50S.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS NEAR 70. LOWS NEAR 50.
MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 60S TO LOWER 70S. LOWS IN THE
UPPER 40S.
MTZ028>042-056>058-063>068-182200-
SOUTH CENTRAL AND SOUTHEAST MONTANA-
NATIONAL WEATHER SERVICE BILLINGS MT
600 AM MDT THU JUN 18 2026
TODAY
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS OF AROUND
70 TO AROUND 80.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S TO THE LOWER 50S.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE LOWER 70S TO THE LOWER
80S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S TO THE UPPER
50S.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 70S TO THE LOWER 80S.
SATURDAY NIGHT...MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS WEST
AND SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS EAST. LOWS IN THE
UPPER 40S TO THE UPPER 50S.
SUNDAY...PARTLY SUNNY. CHANCE OF THUNDERSTORMS WEST
AND CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS EAST. HIGHS IN THE
UPPER 60S TO THE UPPER 70S.
SUNDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS WEST...AND SLIGHT CHANCE OF THUNDERSTORMS
EAST. LOWS IN THE MID 40S TO THE MID 50S.
MONDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 70S.
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