Helena, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    40% Chance of Storms
    44°
    Tuesday 5/14
    Forecast night icon
    44°
    40% Chance of Storms
    Hourly
    Night Details
    Colder. Mostly cloudy with a 40 percent chance of thunderstorms in the evening then partly cloudy after midnight. Lows 40 to 45. Northwest winds 5 to 10 mph shifting to the southwest after midnight.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Mostly Cloudy
    50°
    Wednesday 5/15
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then becoming partly cloudy. Highs 70 to 75. Southwest winds up to 10 mph shifting to the west in the afternoon.
    Night Details
    Mostly cloudy. Lows 45 to 50. West winds 5 to 15 mph.
  • Forecast day icon
    Thursday
    Partly Cloudy
    80°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Thursday 5/16
    Day
    80°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Partly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 75 to 80. Southwest winds 5 to 10 mph increasing to west 15 to 25 mph in the afternoon.
    Night Details
    Breezy. Mostly clear. Lows around 50. West winds 15 to 25 mph shifting to the southwest 10 to 15 mph after midnight.
  • Forecast day icon
    Friday
    Windy
    68°
    Forecast night icon
    Night
    Windy
    39°
    Friday 5/17
    Day
    68°
    Windy
    Forecast day icon
    Night
    39°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy. Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs around 70. Lows around 40.
    Night Details
    Windy. Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs around 70. Lows around 40.
  • Forecast day icon
    Saturday
    30% Chance Rain Showers
    68°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Saturday 5/18
    Day
    68°
    30% Chance Rain Showers
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 30 percent chance of rain showers. Highs 60 to 65.
    Night Details
    Mostly clear with a 20 percent chance of rain showers. Lows 35 to 40.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    69°
    Forecast night icon
    Night
    Mostly Cloudy
    38°
    Sunday 5/19
    Day
    69°
    30% Chance Rain Showers
    Forecast day icon
    Night
    38°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 30 percent chance of rain showers. Highs around 65.
    Night Details
    Mostly cloudy. Lows around 40.
  • Forecast day icon
    Monday
    40% Chance of Storms
    63°
    Forecast night icon
    Night
    30% Chance Rain Showers
    41°
    Monday 5/20
    Day
    63°
    40% Chance of Storms
    Forecast day icon
    Night
    41°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent.
    Night Details
    Mostly cloudy with a 30 percent chance of rain showers. Lows around 40.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    66°
    Forecast night icon
    Night
    40% Chance of Rain
    45°
    Tuesday 5/21
    Day
    66°
    50% Chance of Storms
    Forecast day icon
    Night
    45°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 50 percent.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 45F. Dew point will be around 36F with an average humidity of 57%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Wednesday
    60% Chance of Rain
    63°
    Forecast night icon
    Night
    50% Chance of Rain
    44°
    Wednesday 5/22
    Day
    63°
    60% Chance of Rain
    Forecast day icon
    Night
    44°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 63F. Dew point will be around 41F with an average humidity of 55%. Winds will be 6 mph from the NW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 44F. Dew point will be around 39F with an average humidity of 65%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Thursday
    60% Chance of Rain
    62°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Thursday 5/23
    Day
    62°
    60% Chance of Rain
    Forecast day icon
    Night
    42°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 62F. Dew point will be around 43F with an average humidity of 60%. Winds will be 6 mph from the NW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 42F. Dew point will be around 38F with an average humidity of 64%. Winds will be 6 mph from the W.