Sumatra, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    29°
    Friday 5/3
    Forecast night icon
    29°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy early in the evening then clearing. Lows around 30. West winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Sunny
    61°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Saturday 5/4
    Day
    61°
    Sunny
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny warmer. Highs in the mid 60s. Southeast winds 5 to 15 mph.
    Night Details
    Partly cloudy. Warmer. Lows in the lower 40s. East winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    Partly Sunny
    74°
    Forecast night icon
    Night
    60% Chance of Storms
    49°
    Sunday 5/5
    Day
    74°
    Partly Sunny
    Forecast day icon
    Night
    49°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Warmer. Highs in the lower 80s. Southeast winds 10 to 20 mph.
    Night Details
    Rain showers likely and slight chance of thunderstorms in the evening then chance of rain showers and slight chance of thunderstorms overnight. Lows in the upper 40s. South winds 5 to 15 mph. Chance of precipitation 60 percent.
  • Forecast day icon
    Monday
    Thunderstorms
    50°
    Forecast night icon
    Night
    60% Chance of Rain
    42°
    Monday 5/6
    Day
    50°
    Thunderstorms
    Forecast day icon
    Night
    42°
    60% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Rain likely in the morning then rain showers and chance of thunderstorms in the afternoon. Much cooler. Highs around 60. Chance of precipitation 90 percent.
    Night Details
    Rain likely in the evening then chance of rain overnight. Windy. Lows in the lower 40s. Chance of precipitation 60 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Rain
    53°
    Forecast night icon
    Night
    70% Chance of Rain
    40°
    Tuesday 5/7
    Day
    53°
    60% Chance of Rain
    Forecast day icon
    Night
    40°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Chance of rain in the morning then rain likely in the afternoon. Windy. Highs in the mid 50s. Chance of precipitation 60 percent.
    Night Details
    Rain likely. Windy. Lows in the upper 30s. Chance of precipitation 70 percent.
  • Forecast day icon
    Wednesday
    80% Chance of Rain
    47°
    Forecast night icon
    Night
    70% Chance of Rain
    40°
    Wednesday 5/8
    Day
    47°
    80% Chance of Rain
    Forecast day icon
    Night
    40°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Rain likely in the morning then rain in the afternoon. Highs in the lower 50s. Chance of precipitation 80 percent.
    Night Details
    Rain likely. Lows in the lower 40s. Chance of precipitation 70 percent.
  • Forecast day icon
    Thursday
    60% Chance of Rain
    54°
    Forecast night icon
    Night
    40% Chance of Rain
    40°
    Thursday 5/9
    Day
    54°
    60% Chance of Rain
    Forecast day icon
    Night
    40°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Chance of rain in the morning then rain likely in the afternoon. Highs in the lower 60s. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy. Chance of rain in the evening then slight chance of rain overnight. Lows in the lower 40s. Chance of precipitation 40 percent.
  • Forecast day icon
    Friday
    30% Chance of Rain
    57°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Friday 5/10
    Day
    57°
    30% Chance of Rain
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. Slight chance of rain in the morning then chance of rain in the afternoon. Highs in the upper 60s. Chance of precipitation 30 percent.
    Night Details
    Mostly clear. Low temperature around 42F. Dew point will be around 37F with an average humidity of 67%. Winds will be 3 mph from the N.
  • Forecast day icon
    Saturday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    46°
    Saturday 5/11
    Day
    64°
    Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 38F with an average humidity of 55%. Winds will be 2 mph from the SW.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 38F with an average humidity of 59%. Winds will be 2 mph from the S.
  • Forecast day icon
    Sunday
    Sunny
    66°
    Forecast night icon
    Night
    Clear
    48°
    Sunday 5/12
    Day
    66°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 66F. Dew point will be around 41F with an average humidity of 53%. Winds will be 1 mph from the W.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 41F with an average humidity of 61%. Winds will be 1 mph from the SE.