Sidney, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    40% Chance of Rain
    50°
    Wednesday 5/8
    Forecast night icon
    50°
    40% Chance of Rain
    Hourly
    Night Details
    Mostly cloudy with a chance of light rain early in the evening then mostly cloudy with a slight chance of light rain early in the evening. Partly cloudy in the late evening and overnight. Lows in the lower 40s. Northeast winds around 10 mph early in the evening becoming light. Chance of rain 40 percent.
  • Forecast day icon
    Thursday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Thursday 5/9
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A 20 percent chance of light rain in the afternoon. Warmer. Highs in the upper 60s. Northwest winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the lower 40s. Northwest winds around 10 mph. Gusts up to 20 mph in the evening.
  • Forecast day icon
    Friday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Friday 5/10
    Day
    69°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the mid 40s. Light and variable winds.
  • Forecast day icon
    Saturday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Saturday 5/11
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 70s. Lows in the upper 40s.
    Night Details
    Partly cloudy. Highs in the upper 70s. Lows in the upper 40s.
  • Forecast day icon
    Sunday
    Chance of Rain
    70°
    Forecast night icon
    Night
    Chance of Rain
    51°
    Sunday 5/12
    Day
    70°
    Chance of Rain
    Forecast day icon
    Night
    51°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    A slight chance of light rain. Highs in the mid 70s. Lows in the upper 40s.
    Night Details
    A slight chance of light rain. Highs in the mid 70s. Lows in the upper 40s.
  • Forecast day icon
    Monday
    Chance of Storms
    77°
    Forecast night icon
    Night
    Chance of Storms
    49°
    Monday 5/13
    Day
    77°
    Chance of Storms
    Forecast day icon
    Night
    49°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers and thunderstorms. Highs in the upper 70s.
    Night Details
    A chance of showers and a slight chance of thunderstorms. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Chance of Rain
    63°
    Forecast night icon
    Night
    Chance of Rain
    47°
    Tuesday 5/14
    Day
    63°
    Chance of Rain
    Forecast day icon
    Night
    47°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    A chance of light rain. Highs around 70.
    Night Details
    A slight chance of light rain. Lows in the mid 40s. Highs in the mid 60s.
  • Forecast day icon
    Wednesday
    Chance of Rain
    63°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Wednesday 5/15
    Day
    63°
    Chance of Rain
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Day Details
    A slight chance of light rain. Lows in the mid 40s. Highs in the mid 60s.
    Night Details
    Partly cloudy. Low temperature around 47F. Dew point will be around 42F with an average humidity of 69%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Thursday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Clear
    46°
    Thursday 5/16
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 65F. Dew point will be around 43F with an average humidity of 56%. Winds will be 8 mph from the NW.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 41F with an average humidity of 63%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Friday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    48°
    Friday 5/17
    Day
    68°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 43F with an average humidity of 52%. Winds will be 9 mph from the NW.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 43F with an average humidity of 64%. Winds will be 4 mph from the NW.