Roundup, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    40% Chance of Storms
    50°
    Monday 5/13
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 78F. Dew point will be around 39F with an average humidity of 45%. Winds will be 9 mph from the W.
    Night Details
    Mostly cloudy. Scattered showers and thunderstorms in the evening and overnight then isolated rain showers after 3 am. Lows around 50. West winds 5 to 15 mph. Chance of precipitation 40 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    65°
    Forecast night icon
    Night
    Mostly Cloudy
    45°
    Tuesday 5/14
    Day
    65°
    60% Chance of Storms
    Forecast day icon
    Night
    45°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cooler. Chance of rain showers in the morning. Slight chance of thunderstorms late in the morning then rain showers likely and chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds 10 to 20 mph. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the mid 40s. Northwest winds 5 to 15 mph.
  • Forecast day icon
    Wednesday
    30% Chance of Storms
    69°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Wednesday 5/15
    Day
    69°
    30% Chance of Storms
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Slight chance of rain showers in the morning then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds 5 to 10 mph. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy. Slight chance of showers and thunderstorms in the evening then slight chance of rain showers overnight. Lows in the upper 40s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.
  • Forecast day icon
    Thursday
    Partly Sunny
    75°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Thursday 5/16
    Day
    75°
    Partly Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 70s.
    Night Details
    Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 50.
  • Forecast day icon
    Friday
    Sunny
    74°
    Forecast night icon
    Night
    30% Chance of Storms
    46°
    Friday 5/17
    Day
    74°
    Sunny
    Forecast day icon
    Night
    46°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 70s.
    Night Details
    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening then chance of rain showers overnight. Lows in the mid 40s. Chance of precipitation 30 percent.
  • Forecast day icon
    Saturday
    30% Chance Rain Showers
    64°
    Forecast night icon
    Night
    30% Chance Rain Showers
    42°
    Saturday 5/18
    Day
    64°
    30% Chance Rain Showers
    Forecast day icon
    Night
    42°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 30 percent chance of rain showers. Cooler. Highs in the lower 60s.
    Night Details
    Partly cloudy. Chance of rain showers in the evening then slight chance of rain showers overnight. Lows in the lower 40s. Chance of precipitation 30 percent.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    71°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Sunday 5/19
    Day
    71°
    30% Chance Rain Showers
    Forecast day icon
    Night
    45°
    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 lower 40s.
  • Forecast day icon
    Monday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Monday 5/20
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 60s.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 37F with an average humidity of 54%. Winds will be 4 mph from the NE.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    67°
    Forecast night icon
    Night
    50% Chance of Rain
    44°
    Tuesday 5/21
    Day
    67°
    30% Chance of Rain
    Forecast day icon
    Night
    44°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 67F. Dew point will be around 40F with an average humidity of 48%. Winds will be 2 mph from the W.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 44F. Dew point will be around 38F with an average humidity of 58%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Wednesday
    50% Chance of Rain
    64°
    Forecast night icon
    Night
    50% Chance of Rain
    43°
    Wednesday 5/22
    Day
    64°
    50% Chance of Rain
    Forecast day icon
    Night
    43°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 64F. Dew point will be around 38F with an average humidity of 50%. Winds will be 6 mph from the NW.
    Night Details
    Mostly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 43F. Dew point will be around 36F with an average humidity of 58%. Winds will be 6 mph from the N.