Big Arm, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    30% Chance Frozen Mix
    38°
    Monday 5/6
    Forecast night icon
    38°
    30% Chance Frozen Mix
    Hourly
    Night Details
    Mostly cloudy. Areas of rain after midnight. Areas of rain and snow late in the night. Chance of precipitation 30 percent. Lows in the mid 30s to lower 40s. Southwest winds 15 to 20 mph.
  • Forecast day icon
    Tuesday
    70% Chance Frozen Mix
    49°
    Forecast night icon
    Night
    70% Chance of Rain
    43°
    Tuesday 5/7
    Day
    49°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    43°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    A chance of rain and snow in the morning then rain likely in the afternoon. Chance of precipitation 70 percent. No snow accumulation. Highs in the mid 40s to lower 50s. Southwest winds 15 to 20 mph with gusts to around 35 mph.
    Night Details
    Rain likely. Chance of rain 70 percent. Lows in the mid 30s to lower 40s. Northwest winds 15 to 20 mph with gusts to around 30 mph.
  • Forecast day icon
    Wednesday
    60% Chance of Rain
    54°
    Forecast night icon
    Night
    Mostly Cloudy
    40°
    Wednesday 5/8
    Day
    54°
    60% Chance of Rain
    Forecast day icon
    Night
    40°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Rain likely in the morning then a chance of rain in the afternoon. Chance of rain 60 percent. Highs in the 50s. Northwest winds to 15 mph.
    Night Details
    Mostly cloudy. Lows in the 30s to lower 40s.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Clear
    42°
    Thursday 5/9
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    42°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then clearing. Highs in the 60s.
    Night Details
    Clear. Lows in the mid 30s to lower 40s.
  • Forecast day icon
    Friday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Friday 5/10
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s to mid 70s.
    Night Details
    Mostly clear. Lows in the 40s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Saturday 5/11
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the 70s.
    Night Details
    Mostly clear. Lows in the mid 40s to lower 50s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Sunday 5/12
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the 70s to lower 80s.
    Night Details
    Partly cloudy. Lows in the mid 40s to lower 50s.
  • Forecast day icon
    Monday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Clear
    48°
    Monday 5/13
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 70s.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 39F with an average humidity of 49%. Winds will be 7 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    73°
    Forecast night icon
    Night
    Clear
    47°
    Tuesday 5/14
    Day
    73°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 41F with an average humidity of 46%. Winds will be 7 mph from the W.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 38F with an average humidity of 51%. Winds will be 6 mph from the W.
  • Forecast day icon
    Wednesday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    46°
    Wednesday 5/15
    Day
    71°
    Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 40F with an average humidity of 46%. Winds will be 6 mph from the W.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 35F with an average humidity of 48%. Winds will be 5 mph from the W.