269
FPUS65 KTFX 162200
SFPMT
STATE FORECAST FOR MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 PM MDT SAT MAY 16 2026
MTZ001>007-043-171000-
WEST OF THE CONTINENTAL DIVIDE-
NATIONAL WEATHER SERVICE MISSOULA MT
400 PM MDT SAT MAY 16 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT MDT SUNDAY NIGHT FOR WEST GLACIER
REGION...BITTERROOT/SAPPHIRE MOUNTAINS...BUTTE/BLACKFOOT
REGION...POTOMAC/SEELEY LAKE REGION...
...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 9 AM MDT
SUNDAY FOR FLATHEAD/MISSION VALLEYS...MISSOULA/BITTERROOT
VALLEYS...
...FROST ADVISORY IN EFFECT FROM 8 PM SUNDAY TO 9 AM MDT MONDAY
FOR FLATHEAD/MISSION VALLEYS...MISSOULA/BITTERROOT VALLEYS...
TONIGHT
MOSTLY CLOUDY WITH AREAS OF RAIN AND SNOW. LOWS IN THE
MID 20S TO LOWER 30S.
SUNDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY WITH POSSIBLE
SNOW AND THUNDERSTORMS. HIGHS IN THE UPPER 40S TO MID 50S.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN. WIDESPREAD
FROST. LOWS IN THE MID 20S TO LOWER 30S.
MONDAY
PARTLY CLOUDY. WIDESPREAD FROST IN THE MORNING. HIGHS
IN THE MID 50S TO LOWER 60S.
TUESDAY
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS. WIDESPREAD
FROST. LOWS IN THE UPPER 20S TO MID 30S. HIGHS IN THE UPPER 50S
TO MID 60S.
WEDNESDAY
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
30S. HIGHS IN THE 60S.
THURSDAY
PARTLY CLOUDY. LOWS IN THE 30S TO LOWER 40S. HIGHS IN
THE MID 60S TO LOWER 70S.
MTZ301>314-316>318-171000-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 PM MDT SAT MAY 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT FOR EAST GLACIER PARK
REGION...SOUTHERN ROCKY MOUNTAIN FRONT...LITTLE BELT AND HIGHWOOD
MOUNTAINS...
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE EVENING.
CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF SNOW AFTER MIDNIGHT.
LOWS 30 TO 35...20 TO 30 IN THE MOUNTAINS.
SUNDAY...MOSTLY CLOUDY. RAIN AND SNOW LIKELY. HIGHS 35 TO 45
25 TO 35 IN THE MOUNTAINS. NORTHWEST WINDS 20 TO 30 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW THROUGH
THE NIGHT. LOWS 25 TO 30...20 TO 25 IN THE MOUNTAINS.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 45 TO 55.
TUESDAY
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS 55 TO 65.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 35 TO 40.
HIGHS 55 TO 65.
THURSDAY
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 60 TO 70.
MTZ315-319>330-171000-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 PM MDT SAT MAY 16 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT FOR UPPER BLACKFOOT AND
MACDONALD PASS...BIG BELT, BRIDGER AND CASTLE MOUNTAINS...ELKHORN
AND BOULDER MOUNTAINS...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY FOR GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL
MOUNTAINS...
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING. CHANCE
OF SNOW THROUGH THE NIGHT. LOWS 20 TO 30...15 TO 25 IN THE
MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 35 TO 45...25 TO
35 IN THE MOUNTAINS.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW THROUGH THE NIGHT.
LOWS 20 TO 30...15 TO 25 IN THE MOUNTAINS. NORTH WINDS 20 TO
25 MPH WITH GUSTS TO 35 MPH IN THE EVENING.
MONDAY
MOSTLY CLOUDY. HIGHS 40 TO 50.
TUESDAY
PARTLY CLOUDY. LOWS 20 TO 30. HIGHS 50 TO 60.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 30 TO 35.
HIGHS 50 TO 60.
THURSDAY
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS 55 TO 65.
MTZ016>027-059>062-171000-
NORTHEAST MONTANA-
NATIONAL WEATHER SERVICE GLASGOW MT
400 PM MDT SAT MAY 16 2026
TONIGHT
CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS NEAR 40.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS NEAR
50.
SUNDAY NIGHT
CLOUDY. A CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER TO MID 30S.
MONDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
HIGHS IN THE MID TO UPPER 40S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE MID TO UPPER 50S. LOWS
NEAR 30.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
HIGHS IN THE MID TO UPPER 60S. LOWS IN THE 30S.
THURSDAY
PARTLY CLOUDY. HIGHS NEAR 70. LOWS NEAR 40.
MTZ028>042-056>058-063>068-171000-
SOUTH CENTRAL AND SOUTHEAST MONTANA-
NATIONAL WEATHER SERVICE BILLINGS MT
400 PM MDT SAT MAY 16 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO NOON MDT
MONDAY FOR PORTIONS OF SOUTH CENTRAL MONTANA...
TONIGHT
CLOUDY. CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS AROUND 30 TO THE MID 40S.
SUNDAY
PARTLY SUNNY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE
OF RAIN SHOWERS. HIGHS IN THE UPPER 40S TO THE UPPER 50S.
SUNDAY NIGHT
CLOUDY. PATCHY BLOWING SNOW. CHANCE OF SNOW
SHOWERS AND SLIGHT CHANCE OF RAIN SHOWERS. LOWS IN THE UPPER 20S
TO THE UPPER 30S.
MONDAY
CLOUDY. PATCHY BLOWING SNOW. CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS. HIGHS OF AROUND 40 TO AROUND 50.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 20S TO THE MID 30S.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE 30S.
HIGHS IN THE MID 50S TO THE MID 60S.
WEDNESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
IN THE LOWER 60S TO THE LOWER 70S.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 30S TO THE MID 40S.
THURSDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS. HIGHS IN
THE MID 60S TO THE MID 70S.
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