Simms, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Cloudy
    46°
    Sunday 5/5
    Forecast night icon
    46°
    Cloudy
    Hourly
    Night Details
    Cloudy. Slight chance of thunderstorms early in the evening then slight chance of rain after midnight. Lows in the mid 40s. West winds 5 to 15 mph. Chance of precipitation 20 percent.
  • Forecast day icon
    Monday
    50% Chance of Rain
    53°
    Forecast night icon
    Night
    Windy
    40°
    Monday 5/6
    Day
    53°
    50% Chance of Rain
    Forecast day icon
    Night
    40°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy cloudy. Chance of rain in the morning then slight chance of rain in the afternoon. Highs in the mid 50s. Southwest winds 15 to 25 mph increasing to west 25 to 35 mph in the afternoon. Chance of rain 50 percent.
    Night Details
    Windy cloudy. A 20 percent chance of rain and snow after midnight. Lows around 40. West winds 20 to 30 mph.
  • Forecast day icon
    Tuesday
    Snow
    47°
    Forecast night icon
    Night
    Frozen Mix
    38°
    Tuesday 5/7
    Day
    47°
    Snow
    Forecast day icon
    Night
    38°
    Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Windy. Mostly cloudy. Chance of rain and slight chance of snow in the morning then rain likely and snow in the afternoon. Moderate snow accumulations. Highs 45 to 50. West winds 25 to 35 mph. Chance of precipitation 90 percent.
    Night Details
    Windy. Rain and snow. Blowing snow after midnight. Heavy snow accumulations. Lows 35 to 40. West winds 20 to 30 mph. Chance of precipitation near 100 percent.
  • Forecast day icon
    Wednesday
    Frozen Mix
    45°
    Forecast night icon
    Night
    70% Chance of Rain
    40°
    Wednesday 5/8
    Day
    45°
    Frozen Mix
    Forecast day icon
    Night
    40°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Windy. Rain and snow. Blowing snow. Moderate snow accumulations. Highs 40 to 45. Chance of precipitation near 100 percent.
    Night Details
    Rain likely. Lows 35 to 40. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    50% Chance of Rain
    58°
    Forecast night icon
    Night
    Partly Cloudy
    39°
    Thursday 5/9
    Day
    58°
    50% Chance of Rain
    Forecast day icon
    Night
    39°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with a 50 percent chance of rain. Highs 50 to 60.
    Night Details
    Partly cloudy. Lows around 35.
  • Forecast day icon
    Friday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Friday 5/10
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 60 to 65. Lows around 40.
    Night Details
    Mostly clear. Highs 60 to 65. Lows around 40.
  • Forecast day icon
    Saturday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Saturday 5/11
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 65 to 75. Lows around 45.
    Night Details
    Mostly clear. Highs 65 to 75. Lows around 45.
  • Forecast day icon
    Sunday
    Sunny
    74°
    Forecast night icon
    Night
    Clear
    50°
    Sunday 5/12
    Day
    74°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Sunny with a 20 percent chance of rain. Highs 70 to 75.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 38F with an average humidity of 49%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Monday 5/13
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 72F. Dew point will be around 36F with an average humidity of 37%. Winds will be 9 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 38F with an average humidity of 52%. Winds will be 7 mph from the W.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Tuesday 5/14
    Day
    66°
    Mostly Cloudy
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 66F. Dew point will be around 36F with an average humidity of 42%. Winds will be 8 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 45F. Dew point will be around 37F with an average humidity of 57%. Winds will be 6 mph from the W.