668
FPUS65 KTFX 311000
SFPMT
STATE FORECAST FOR MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT SUN MAY 31 2026
MTZ001>007-043-312200-
WEST OF THE CONTINENTAL DIVIDE-
NATIONAL WEATHER SERVICE MISSOULA MT
400 AM MDT SUN MAY 31 2026
TODAY
RAIN LIKELY. HIGHS IN THE 50S TO LOWER 60S.
TONIGHT
RAIN LIKELY. PATCHY FOG. LOWS IN THE MID 30S TO LOWER
40S.
MONDAY
RAIN LIKELY IN THE MORNING, THEN CHANCE OF RAIN SHOWERS
IN THE AFTERNOON AND EVENING. AREAS OF FOG IN THE MORNING. HIGHS
IN THE MID 50S TO LOWER 60S.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. PATCHY FOG. LOWS
IN THE MID 30S TO LOWER 40S. HIGHS IN THE 60S.
WEDNESDAY
PARTLY CLOUDY. PATCHY FOG. LOWS IN THE MID 30S TO
LOWER 40S. HIGHS IN THE 70S.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS IN
THE 40S. HIGHS IN THE UPPER 60S TO MID 70S.
MTZ301>314-316>318-312200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT SUN MAY 31 2026
...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON FOR
EAST GLACIER PARK REGION...NORTHERN HIGH PLAINS...EASTERN
GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA...SOUTHERN ROCKY
MOUNTAIN FRONT...SOUTHERN HIGH PLAINS...EASTERN PONDERA AND
EASTERN TETON...CASCADE COUNTY BELOW 5000FT...GATES OF THE
MOUNTAINS...
TODAY...RAIN. HIGHS 50 TO 60
40 TO 50 IN THE MOUNTAINS.
NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH.
TONIGHT
CLOUDY, RAIN. LOWS 35 TO 40. NORTHWEST WINDS 20 TO
30 MPH WITH GUSTS TO 40 MPH.
MONDAY...CLOUDY. RAIN LIKELY. HIGHS 50 TO 60
45 TO 55 IN THE
MOUNTAINS. WEST WINDS 20 TO 30 MPH WITH GUSTS TO 35 MPH.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 35 TO 40. HIGHS
55 TO 65.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 40 TO 45.
HIGHS 60 TO 70.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 40 TO 45. HIGHS 65 TO 70.
MTZ315-319>330-312200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT SUN MAY 31 2026
TODAY
RAIN LIKELY AND SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 45 TO 55...40 TO 50 IN THE MOUNTAINS.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN THROUGH THE NIGHT. LOWS
30 TO 40.
MONDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING. CHANCE OF
RAIN THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON AND EVENING. HIGHS 55 TO 65...45 TO 55 IN THE
MOUNTAINS.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND
THUNDERSTORMS. LOWS 35 TO 40. HIGHS 55 TO 65.
WEDNESDAY
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 65 TO 75.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 40 TO 45. HIGHS 60 TO 70.
MTZ016>027-059>062-312200-
NORTHEAST MONTANA-
NATIONAL WEATHER SERVICE GLASGOW MT
400 AM MDT SUN MAY 31 2026
REST OF TONIGHT
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS.
HIGHS NEAR 70. LOWS NEAR 50.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS IN
THE 60S.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER TO MID 40S.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 60S TO MID
70S.
WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS NEAR 70. LOWS IN THE MID TO UPPER 40S.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER TO MID 70S.
LOWS IN THE MID TO UPPER 40S.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 70S TO LOWER 80S. LOWS NEAR 50.
MTZ028>042-056>058-063>068-312200-
SOUTH CENTRAL AND SOUTHEAST MONTANA-
NATIONAL WEATHER SERVICE BILLINGS MT
400 AM MDT SUN MAY 31 2026
TODAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS WEST...AND SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS EAST. HIGHS IN THE MID 50S TO THE MID 60S.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS IN
THE UPPER 30S TO THE UPPER 40S.
MONDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 60S TO THE MID 70S.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE 40S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 60S TO THE UPPER 70S.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
WEST...AND CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
EAST. LOWS IN THE LOWER 40S TO AROUND 50.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 40S TO THE MID 50S. HIGHS AROUND
70 TO THE UPPER 70S.
THURSDAY
PARTLY SUNNY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
70S.
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