Roundup, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    42°
    Thursday 5/9
    Forecast night icon
    42°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Patchy fog overnight. Lows in the upper 30s. West winds 5 to 15 mph.
  • Forecast day icon
    Friday
    Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Friday 5/10
    Day
    65°
    Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Patchy fog early in the morning. Highs in the upper 60s. Southwest winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the lower 40s. Southwest winds 5 to 15 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Saturday 5/11
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 70s. West winds 5 to 15 mph.
    Night Details
    Partly cloudy. Lows in the mid 40s. West winds 5 to 10 mph.
  • Forecast day icon
    Sunday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Sunday 5/12
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 70s.
    Night Details
    Partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Monday
    30% Chance of Storms
    73°
    Forecast night icon
    Night
    30% Chance Rain Showers
    51°
    Monday 5/13
    Day
    73°
    30% Chance of Storms
    Forecast day icon
    Night
    51°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then partly sunny with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy. Chance of rain showers in the evening then slight chance of rain showers overnight. Lows in the upper 40s. Chance of precipitation 30 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    61°
    Forecast night icon
    Night
    30% Chance Rain Showers
    47°
    Tuesday 5/14
    Day
    61°
    50% Chance of Storms
    Forecast day icon
    Night
    47°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Chance of rain showers in the morning then chance of rain showers and slight chance of thunderstorms in the afternoon. Cooler. Highs in the mid 60s. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy. A 30 percent chance of rain showers in the evening. Lows in the lower 40s.
  • Forecast day icon
    Wednesday
    30% Chance Rain Showers
    62°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Wednesday 5/15
    Day
    62°
    30% Chance Rain Showers
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Slight chance of rain showers in the morning then chance of rain showers in the afternoon. Highs in the mid 60s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 40s.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    64°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Thursday 5/16
    Day
    64°
    30% Chance Rain Showers
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. A 30 percent chance of rain showers in the afternoon. Highs in the lower 70s.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 34F with an average humidity of 53%. Winds will be 5 mph from the N.
  • Forecast day icon
    Friday
    Sunny
    66°
    Forecast night icon
    Night
    Clear
    44°
    Friday 5/17
    Day
    66°
    Sunny
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 66F. Dew point will be around 35F with an average humidity of 43%. Winds will be 8 mph from the W.
    Night Details
    Clear. Low temperature around 44F. Dew point will be around 34F with an average humidity of 50%. Winds will be 4 mph from the N.
  • Forecast day icon
    Saturday
    Sunny
    67°
    Forecast night icon
    Night
    Clear
    45°
    Saturday 5/18
    Day
    67°
    Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 36F with an average humidity of 42%. Winds will be 3 mph from the W.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 35F with an average humidity of 51%. Winds will be 3 mph from the N.