Sidney, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    60% Chance of Rain
    40°
    Sunday 5/19
    Forecast night icon
    40°
    60% Chance of Rain
    Hourly
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 40F. Dew point will be around 44F with an average humidity of 86%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Monday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Mostly Cloudy
    43°
    Monday 5/20
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 60s. Northwest wind 5 to 10 mph.
    Night Details
    Mostly cloudy in the evening then clearing. Lows in the lower 40s. Northwest wind 5 to 10 mph.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Tuesday 5/21
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 60s. Northwest wind 10 to 15 mph.
    Night Details
    Partly cloudy. Lows in the upper 30s. Northwest wind 10 to 15 mph becoming north around 5 mph after midnight.
  • Forecast day icon
    Wednesday
    Rain
    68°
    Forecast night icon
    Night
    Chance of Storms
    48°
    Wednesday 5/22
    Day
    68°
    Rain
    Forecast day icon
    Night
    48°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers in the afternoon. Highs around 70. Southeast wind around 5 mph. Chance of rain 20 percent.
    Night Details
    A slight chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Thursday
    Chance of Storms
    60°
    Forecast night icon
    Night
    Chance of Storms
    42°
    Thursday 5/23
    Day
    60°
    Chance of Storms
    Forecast day icon
    Night
    42°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of showers with a slight chance of thunderstorms. Highs in the lower 60s.
    Night Details
    Showers likely with a chance of thunderstorms. Lows in the lower 40s.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    61°
    Forecast night icon
    Night
    Chance of Rain Showers
    43°
    Friday 5/24
    Day
    61°
    Chance of Rain Showers
    Forecast day icon
    Night
    43°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A chance of showers. Highs around 60.
    Night Details
    A slight chance of showers. Lows around 40. Highs in the lower 70s.
  • Forecast day icon
    Saturday
    Chance of Rain Showers
    76°
    Forecast night icon
    Night
    Chance of Storms
    53°
    Saturday 5/25
    Day
    76°
    Chance of Rain Showers
    Forecast day icon
    Night
    53°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers. Lows around 40. Highs in the lower 70s.
    Night Details
    A chance of showers with a slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
  • Forecast day icon
    Sunday
    Chance of Storms
    60°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Sunday 5/26
    Day
    60°
    Chance of Storms
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    A chance of showers with a slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 45F with an average humidity of 82%. Winds will be 11 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    64°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Monday 5/27
    Day
    64°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 64F. Dew point will be around 48F with an average humidity of 70%. Winds will be 8 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 47F with an average humidity of 81%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Tuesday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    49°
    Tuesday 5/28
    Day
    69°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 50F with an average humidity of 66%. Winds will be 6 mph from the NW.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 49F with an average humidity of 76%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Wednesday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    53°
    Wednesday 5/29
    Day
    76°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 76F. Dew point will be around 52F with an average humidity of 59%. Winds will be 3 mph from the SW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 52F with an average humidity of 73%. Winds will be 4 mph from the S.