Simms, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    40% Chance of Storms
    34°
    Sunday 5/19
    Forecast night icon
    34°
    40% Chance of Storms
    Hourly
    Night Details
    Colder. Partly cloudy. Chance of thunderstorms and slight chance of rain early in the evening. Lows 30 to 35. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.
  • Forecast day icon
    Monday
    50% Chance of Storms
    56°
    Forecast night icon
    Night
    Partly Cloudy
    36°
    Monday 5/20
    Day
    56°
    50% Chance of Storms
    Forecast day icon
    Night
    36°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds up to 10 mph. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 30s. Northwest winds up to 10 mph shifting to the southwest after midnight.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    63°
    Forecast night icon
    Night
    Mostly Cloudy
    44°
    Tuesday 5/21
    Day
    63°
    50% Chance of Rain
    Forecast day icon
    Night
    44°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then mostly cloudy with a 50 percent chance of rain in the afternoon. Highs 60 to 65. Southwest winds up to 10 mph.
    Night Details
    Mostly cloudy. A 20 percent chance of rain in the evening. Lows around 40. Southwest winds up to 10 mph.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    56°
    Forecast night icon
    Night
    Thunderstorms
    42°
    Wednesday 5/22
    Day
    56°
    70% Chance of Storms
    Forecast day icon
    Night
    42°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely and slight chance of thunderstorms. Highs around 60. Chance of precipitation 70 percent.
    Night Details
    Rain showers and slight chance of thunderstorms. Lows around 40. Chance of precipitation 90 percent.
  • Forecast day icon
    Thursday
    Rain
    49°
    Forecast night icon
    Night
    50% Chance of Rain
    39°
    Thursday 5/23
    Day
    49°
    Rain
    Forecast day icon
    Night
    39°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Cooler rain. Highs 45 to 50. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows around 35. Highs around 60.
  • Forecast day icon
    Friday
    50% Chance of Rain
    61°
    Forecast night icon
    Night
    Mostly Cloudy
    42°
    Friday 5/24
    Day
    61°
    50% Chance of Rain
    Forecast day icon
    Night
    42°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of rain. Lows around 35. Highs around 60.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows around 40.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    59°
    Forecast night icon
    Night
    50% Chance of Rain
    42°
    Saturday 5/25
    Day
    59°
    50% Chance of Storms
    Forecast day icon
    Night
    42°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows 40 to 45.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    58°
    Forecast night icon
    Night
    Mostly Cloudy
    42°
    Sunday 5/26
    Day
    58°
    50% Chance of Storms
    Forecast day icon
    Night
    42°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy. Low temperature around 42F. Dew point will be around 37F with an average humidity of 67%. Winds will be 7 mph from the W.
  • Forecast day icon
    Monday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    44°
    Monday 5/27
    Day
    64°
    Sunny
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 38F with an average humidity of 53%. Winds will be 8 mph from the W.
    Night Details
    Clear. Low temperature around 44F. Dew point will be around 39F with an average humidity of 63%. Winds will be 6 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Tuesday 5/28
    Day
    70°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 40F with an average humidity of 47%. Winds will be 4 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 42F with an average humidity of 62%. Winds will be 4 mph from the W.