802
FPUS65 KTFX 190200
SFPMT
STATE FORECAST FOR MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
800 PM MDT THU JUN 18 2026
MTZ001>007-043-191000-
WEST OF THE CONTINENTAL DIVIDE-
NATIONAL WEATHER SERVICE MISSOULA MT
800 PM MDT THU JUN 18 2026
.../NOTICE/ THE AREA FORECAST PRODUCT (AFP) AND STATE FORECAST
PRODUCT (SFP) FOR MONTANA WILL BE DISCONTINUED JUNE 29, 2026...
TONIGHT
MOSTLY CLEAR. LOWS IN THE 40S.
JUNETEENTH
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.
SUNDAY
MOSTLY CLEAR. CHANCE OF RAIN SHOWERS. LOWS IN THE MID
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.
TUESDAY
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE MID 80S TO
LOWER 90S.
MTZ301>314-316>318-191000-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
800 PM MDT THU JUN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. LOWS 40 TO 45...35 TO 40 IN THE MOUNTAINS.
JUNETEENTH...SUNNY. HIGHS 65 TO 75
55 TO 65 IN THE MOUNTAINS.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 75 TO 85.
SUNDAY
PARTLY CLOUDY. COOLER. 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.
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 70 TO 75.
MTZ315-319>330-191000-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
800 PM MDT THU JUN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
JUNETEENTH
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 70 TO 80...65 TO 75 IN THE MOUNTAINS.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 50.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGHS 65 TO 75.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 40 TO 50. HIGHS 65 TO 75.
MONDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 70 TO 80.
MTZ016>027-059>062-191000-
NORTHEAST MONTANA-
NATIONAL WEATHER SERVICE GLASGOW MT
800 PM MDT THU JUN 18 2026
TONIGHT
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE 40S.
JUNETEENTH
SUNNY. HIGHS NEAR 70.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON AND
EVENING. HIGHS IN THE MID 70S TO LOWER 80S.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS NEAR 70. LOWS IN THE LOWER TO MID
50S.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID TO UPPER 60S.
LOWS IN THE MID TO UPPER 40S.
TUESDAY
MOSTLY CLEAR. HIGHS NEAR 70. LOWS IN THE LOWER TO MID
40S.
MTZ028>042-056>058-063>068-191000-
SOUTH CENTRAL AND SOUTHEAST MONTANA-
NATIONAL WEATHER SERVICE BILLINGS MT
800 PM MDT THU JUN 18 2026
TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS IN
THE LOWER 40S TO THE LOWER 50S.
JUNETEENTH
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO THE UPPER
70S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S TO THE MID
50S.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
IN THE MID 70S TO THE MID 80S.
SATURDAY NIGHT...MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS WEST
AND SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS EAST. LOWS
IN THE UPPER 40S TO THE UPPER 50S.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY. WEST, CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS, THEN CHANCE OF THUNDERSTORMS.
EAST, SHOWERS LIKELY. CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.
LOWS IN THE MID 40S TO THE MID 50S. HIGHS IN THE UPPER 60S TO THE
UPPER 70S.
MONDAY NIGHT
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 40S TO THE LOWER 50S.
TUESDAY
SUNNY. HIGHS IN THE 70S.
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