137
FPUS65 KTFX 202330
SFPMT
STATE FORECAST FOR MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
530 PM MDT WED MAY 20 2026
MTZ001>007-043-211000-
WEST OF THE CONTINENTAL DIVIDE-
NATIONAL WEATHER SERVICE MISSOULA MT
530 PM MDT WED MAY 20 2026
TONIGHT
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. PATCHY FOG. LOWS IN THE 30S.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE 30S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S TO MID 70S.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO MID 40S. HIGHS
IN THE 70S TO LOWER 80S.
SUNDAY
PARTLY CLOUDY. LOWS IN THE 40S. HIGHS IN THE MID 70S TO
LOWER 80S.
MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE 40S. HIGHS IN THE 70S
TO LOWER 80S.
MTZ301>314-316>318-211000-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
530 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF RAIN
AFTER MIDNIGHT. LOWS 35 TO 40...25 TO 35 IN THE MOUNTAINS.
THURSDAY...MOSTLY CLOUDY. HIGHS 55 TO 65
45 TO 55 IN THE
MOUNTAINS.
THURSDAY NIGHT...PARTLY CLOUDY. LOWS 35 TO 40
30 TO 35 IN THE
MOUNTAINS.
FRIDAY
PARTLY CLOUDY. HIGHS 65 TO 75.
SATURDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 70 TO 80.
SUNDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 80.
MEMORIAL DAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 45 TO
50. HIGHS 75 TO 85.
MTZ315-319>330-211000-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
530 PM MDT WED MAY 20 2026
TONIGHT
RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. LOWS 30 TO 35.
THURSDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. CHANCE OF SNOW. HIGHS 50 TO 60...40 TO 50 IN THE
MOUNTAINS.
THURSDAY NIGHT...PARTLY CLOUDY. LOWS 30 TO 35
25 TO 30 IN THE
MOUNTAINS.
FRIDAY
PARTLY CLOUDY. HIGHS 55 TO 65.
SATURDAY
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 65 TO 75.
SUNDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 65 TO 75.
MEMORIAL DAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 40 TO
45. HIGHS 70 TO 80.
MTZ016>027-059>062-211000-
NORTHEAST MONTANA-
NATIONAL WEATHER SERVICE GLASGOW MT
530 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. LOWS NEAR 40.
THURSDAY
CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS NEAR 60.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS NEAR 40.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. HIGHS NEAR 70.
SATURDAY
PARTLY CLOUDY. HIGHS IN THE MID TO UPPER 70S. LOWS IN
THE LOWER TO MID 40S.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER TO MID 80S. LOWS NEAR
50.
MEMORIAL DAY
PARTLY CLOUDY. HIGHS IN THE MID TO UPPER 80S.
LOWS IN THE LOWER TO MID 50S.
MTZ028>042-056>058-063>068-211000-
SOUTH CENTRAL AND SOUTHEAST MONTANA-
NATIONAL WEATHER SERVICE BILLINGS MT
530 PM MDT WED MAY 20 2026
...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT THURSDAY FOR
PORTIONS OF SOUTH CENTRAL MONTANA...
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 9 PM MDT THURSDAY
FOR PORTIONS OF SOUTH CENTRAL MONTANA...
TONIGHT...CLOUDY. SHOWERS AND ISOLATED THUNDERSTORMS WEST
AND
CHANCE OF RAIN AND ISOLATED THUNDERSTORMS EAST. LOWS IN THE MID
30S TO THE MID 40S.
THURSDAY...CLOUDY. RAIN AND SNOW WEST
AND CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS EAST. HIGHS IN THE UPPER 40S
TO LOWER 60S.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS IN
THE LOWER 30S TO AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE 60S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S TO THE MID
40S.
SATURDAY
SUNNY. HIGHS IN THE MID TO UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S TO THE
LOWER 50S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S TO THE UPPER 80S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S TO THE MID
50S.
MEMORIAL DAY
SUNNY. HIGHS IN THE LOWER 80S TO AROUND 90.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page