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State Forecast For Montana

National Weather Service Great Falls MT

400 AM MDT Fri May 8 2026



MTZ001>007-043-082200-

West of the Continental Divide- 

National Weather Service Missoula MT 

400 AM MDT Fri May 8 2026



.TODAY...Partly cloudy. Highs in the 70s. 

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

.SATURDAY...Mostly clear. Highs in the upper 60s to mid 70s. 

.SUNDAY...Partly cloudy. Lows in the upper 30s to mid 40s. Highs

in the upper 70s to mid 80s. 

.MONDAY...Mostly clear. Lows in the 40s. Highs in the mid 70s to

lower 80s. 

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

in the 80s. 



$$



MTZ301>314-316>318-082200-

Central Montana- 

National Weather Service Great Falls MT

400 AM MDT Fri May 8 2026



.TODAY...Partly cloudy. Highs 70 to 80...55 to 65 in the

mountains. 

.TONIGHT...Cloudy. Chance of rain showers and slight chance of

thunderstorms. Lows 45 to 50...35 to 45 in the mountains. 

.SATURDAY...Mostly cloudy then becoming partly cloudy. Chance of

rain showers through the day. Highs 60 to 65...50 to 60 in the

mountains. 

.SUNDAY...Partly cloudy. Warmer. Lows 40 to 45. Highs 75 to 85. 

.MONDAY...Mostly clear. Lows 45 to 55. Highs 65 to 75. 

.TUESDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. 

$$



MTZ315-319>330-082200-

Southwest Montana- 

National Weather Service Great Falls MT

400 AM MDT Fri May 8 2026



.TODAY...Increasing clouds. Highs 65 to 75...55 to 65 in the

mountains. 

.TONIGHT...Mostly cloudy in the evening then clearing. Slight

chance of rain showers. Lows 35 to 45...30 to 40 in the

mountains. 

.SATURDAY...Sunny then becoming partly cloudy in the afternoon

then becoming mostly clear. Highs 60 to 70...50 to 60 in the

mountains. 

.SUNDAY...Partly cloudy. Lows 35 to 40. Highs 70 to 80. 

.MONDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75. 

.TUESDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. 

$$



MTZ016>027-059>062-082200-

Northeast Montana- 

National Weather Service Glasgow MT

400 AM MDT Fri May 8 2026



.TODAY...Partly cloudy. A chance of rain showers and a slight

chance of thunderstorms in the afternoon. Highs in the lower to

mid 70s. 

.TONIGHT...Cloudy. A slight chance of rain showers in the

evening, then a chance of rain showers after midnight. Lows in

the lower to mid 40s. 

.SATURDAY...Cloudy. A chance of rain showers in the morning.

Highs in the lower to mid 60s. 

.SUNDAY...Partly cloudy. Highs in the 70s. Lows near 40. 

.MONDAY...Partly cloudy. Highs in the mid to upper 70s. Lows in

the upper 40s to mid 50s. 

.TUESDAY...Mostly clear. Highs in the 70s. Lows in the lower to

mid 40s. 



$$



MTZ028>042-056>058-063>068-082200-

South Central and Southeast Montana- 

National Weather Service Billings MT

400 AM MDT Fri May 8 2026



.TODAY...Mostly sunny. Highs around 70 to the upper 70s. 

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

the lower 40s to mid 50s. 

.SATURDAY...Mostly cloudy. Chance of rain showers and slight

chance of thunderstorms. Highs in the 60s. 

.SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s to lower

40s. 

.SUNDAY...Sunny. Highs around 70 to the lower 80s. 

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

50s. 

.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 30s to

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



$$