916
FPUS65 KTFX 182301
SFPMT
STATE FORECAST FOR MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
401 PM MST SUN JAN 18 2026
MTZ001>007-043-191100-
WEST OF THE CONTINENTAL DIVIDE-
NATIONAL WEATHER SERVICE MISSOULA MT
401 PM MST SUN JAN 18 2026
TONIGHT
MOSTLY CLEAR. LOWS 13 TO 20.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE 30S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 16 TO 23.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN
THE 30S TO LOWER 40S.
WEDNESDAY
PARTLY CLOUDY. LOWS 12 TO 19. HIGHS IN THE 30S.
THURSDAY
MOSTLY CLOUDY. LOWS 13 TO 20. HIGHS IN THE 30S TO
LOWER 40S.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS 13 TO 20.
HIGHS IN THE UPPER 20S TO MID 30S.
MTZ301>314-316>318-191100-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
401 PM MST SUN JAN 18 2026
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 10 TO
20.
MARTIN LUTHER KING JR DAY...INCREASING CLOUDS. HIGHS 35 TO 45
25 TO 35 IN THE MOUNTAINS.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 20 TO 25.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SNOW. HIGHS 30 TO 35.
NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO 35 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 10 TO 20. HIGHS 25 TO 30.
THURSDAY
MOSTLY CLOUDY. LOWS 5 TO 20. HIGHS 25 TO 35.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS 5 BELOW TO 10 ABOVE
ZERO. HIGHS 15 TO 20.
MTZ315-319>330-191100-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
401 PM MST SUN JAN 18 2026
TONIGHT
PARTLY CLOUDY. LOWS 10 TO 20.
MARTIN LUTHER KING JR DAY...SUNNY. HIGHS 30 TO 40
25 TO 35 IN
THE MOUNTAINS.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 15 TO 25.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 25 TO 35.
WEDNESDAY
PARTLY CLOUDY. LOWS 10 TO 20. HIGHS 25 TO 35.
THURSDAY
MOSTLY CLOUDY. LOWS 10 TO 20. HIGHS 30 TO 40.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS 5 TO 20. HIGHS
20 TO 30.
MTZ016>027-059>062-191100-
NORTHEAST MONTANA-
NATIONAL WEATHER SERVICE GLASGOW MT
401 PM MST SUN JAN 18 2026
TONIGHT
MOSTLY CLEAR. LOWS ZERO TO 10 ABOVE.
MARTIN LUTHER KING JR DAY
MOSTLY CLOUDY. HIGHS IN THE LOWER TO
MID 20S.
MONDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW AFTER
MIDNIGHT. LOWS 10 TO 20.
TUESDAY
LIGHT SNOW LIKELY IN THE MORNING, THEN A SLIGHT CHANCE
OF LIGHT SNOW IN THE AFTERNOON AND EVENING. HIGHS IN THE MID TO
UPPER 20S.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER TO MID 20S. LOWS
5 TO 15.
THURSDAY
MOSTLY CLOUDY. HIGHS 10 TO 20. LOWS 5 BELOW TO
5 ABOVE ZERO.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT SNOW. HIGHS
5 TO 15. LOWS 5 BELOW TO 10 BELOW ZERO.
MTZ028>042-056>058-063>068-191100-
SOUTH CENTRAL AND SOUTHEAST MONTANA-
NATIONAL WEATHER SERVICE BILLINGS MT
401 PM MST SUN JAN 18 2026
TONIGHT
PARTLY CLOUDY. LOWS FROM THE LOWER 20S WEST TO THE
SINGLE DIGITS ABOVE ZERO EAST.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS FROM THE MID 40S
WEST TO THE MID 20S EAST.
MONDAY NIGHT
MOSTLY CLOUDY. PATCHY BLOWING SNOW. LOWS FROM THE
LOWER 30S WEST TO AROUND 10 EAST.
TUESDAY
MOSTLY CLOUDY. PATCHY BLOWING SNOW. SLIGHT CHANCE OF
SNOW. HIGHS IN THE LOWER 30S TO THE LOWER 40S.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID
TEENS TO THE MID 20S. HIGHS IN THE MID 20S TO UPPER 30S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS FROM THE MID 20S WEST TO
THE SINGLE DIGITS ABOVE ZERO EAST.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S TO MID 40S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS
IN THE MID SINGLE DIGITS ABOVE ZERO TO THE UPPER TEENS ABOVE
ZERO. HIGHS AROUND 10 TO THE UPPER 20S.
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