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State Forecast For Montana

National Weather Service Great Falls MT

400 PM MDT Sat May 9 2026



MTZ001>007-043-101000-

West of the Continental Divide- 

National Weather Service Missoula MT 

400 PM MDT Sat May 9 2026



.TONIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. 

.SUNDAY...Partly cloudy. Highs in the upper 70s to mid 80s. 

.SUNDAY NIGHT...Mostly cloudy. Lows in the 40s. 

.MONDAY...Mostly clear. Highs in the mid 70s to lower 80s. 

.TUESDAY...Mostly clear. Lows in the upper 30s to mid 40s. Highs

in the 80s. 

.WEDNESDAY...Partly cloudy. Chance of rain showers. Lows in the

mid 40s to lower 50s. Highs in the upper 70s to mid 80s. 

.THURSDAY...Partly cloudy. Lows in the mid 40s to lower 50s.

Highs in the 70s. 



$$



MTZ301>314-316>318-101000-

Central Montana- 

National Weather Service Great Falls MT

400 PM MDT Sat May 9 2026



.TONIGHT...Partly cloudy. Slight chance of rain in the evening.

Lows 40 to 45...30 to 40 in the mountains. 

.SUNDAY...Partly cloudy. Highs 75 to 80...60 to 70 in the

mountains. 

.SUNDAY NIGHT...Mostly cloudy. Lows 45 to 55...40 to 50 in the

mountains. 

.MONDAY...Mostly clear. Highs 65 to 75. 

.TUESDAY...Mostly clear. Lows 35 to 45. Highs 70 to 80. 

.WEDNESDAY...Partly cloudy. Lows 45 to 55. Highs 80 to 90. 

.THURSDAY...Partly cloudy. Slight chance of rain. Lows 50 to 55.

Highs 70 to 80. 

$$



MTZ315-319>330-101000-

Southwest Montana- 

National Weather Service Great Falls MT

400 PM MDT Sat May 9 2026



.TONIGHT...Mostly clear. Lows 30 to 35. 

.SUNDAY...Sunny. Highs 70 to 80...60 to 70 in the mountains. 

.SUNDAY NIGHT...Partly cloudy. Lows 40 to 45. 

.MONDAY...Mostly clear. Highs 65 to 75. 

.TUESDAY...Mostly clear. Lows 35 to 40. Highs 70 to 80. 

.WEDNESDAY...Partly cloudy. Chance of rain showers and slight

chance of thunderstorms. Lows 45 to 50. Highs 75 to 85. 

.THURSDAY...Partly cloudy. Slight chance of rain. Lows 40 to 50.

Highs 65 to 75. 

$$



MTZ016>027-059>062-101000-

Northeast Montana- 

National Weather Service Glasgow MT

400 PM MDT Sat May 9 2026



.TONIGHT...Mostly cloudy. A slight chance of rain showers in the

evening. Lows in the upper 30s to mid 40s. 

.SUNDAY...Sunny. Highs in the 70s. 

.SUNDAY NIGHT...Mostly cloudy. Lows in the lower to mid 50s. 

.MONDAY...Partly cloudy in the morning then clearing. Highs near

80. 

.TUESDAY...Mostly clear. Highs in the mid to upper 70s. Lows in

the mid to upper 40s. 

.WEDNESDAY...Partly cloudy. Highs in the mid to upper 80s. Lows

in the mid 40s to lower 50s. 

.THURSDAY...Partly cloudy. Highs in the lower to mid 80s. Lows in

the mid to upper 50s. 



$$



MTZ028>042-056>058-063>068-101000-

South Central and Southeast Montana- 

National Weather Service Billings MT

400 PM MDT Sat May 9 2026



.TONIGHT...Mostly cloudy. Slight chance of rain showers. Lows in

the mid 30s to the mid 40s. 

.SUNDAY...Mostly sunny. Highs in the lower 70s to the lower 80s. 

.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s to the mid

50s. 

.MONDAY...Mostly sunny. Highs in the upper 70s to the upper 80s. 

.MONDAY NIGHT...Mostly clear. Lows in the lower 40s to around 50.

.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows in the mid 40s to

the mid 50s. Highs in the mid 70s to lower 80s. 

.WEDNESDAY...Sunny. Highs in the mid 80s to the mid 90s. 

.WEDNESDAY NIGHT...Mostly cloudy. Lows of around 50 to around 60.

.THURSDAY...Mostly sunny. Slight chance of rain showers. Highs in

the upper 70s to the upper 80s. 



$$