Helena, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Windy
    37°
    Friday 5/17
    Forecast night icon
    37°
    Windy
    Hourly
    Night Details
    Windy colder. Mostly cloudy in the evening then clearing. Lows in the mid 30s. West winds 20 to 30 mph with gusts to around 55 mph becoming southwest 5 to 15 mph with gusts to around 30 mph after midnight.
  • Forecast day icon
    Saturday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Mostly Cloudy
    43°
    Saturday 5/18
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    43°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then becoming partly cloudy. Highs in the mid 60s. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon.
    Night Details
    Mostly clear in the evening then mostly cloudy with a 20 percent chance of rain showers after midnight. Lows around 40. Northwest winds 5 to 15 mph with gusts to around 30 mph shifting to the west up to 5 mph after midnight.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    55°
    Forecast night icon
    Night
    50% Chance of Storms
    36°
    Sunday 5/19
    Day
    55°
    70% Chance of Storms
    Forecast day icon
    Night
    36°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Cooler. Mostly cloudy. Chance of rain showers in the morning then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 55. West winds up to 10 mph shifting to the northwest in the afternoon. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening then chance of rain showers after midnight. Lows around 35. Northwest winds 5 to 15 mph shifting to the west up to 5 mph after midnight. Chance of precipitation 50 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    61°
    Forecast night icon
    Night
    Mostly Cloudy
    39°
    Monday 5/20
    Day
    61°
    70% Chance of Storms
    Forecast day icon
    Night
    39°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely and slight chance of thunderstorms. Highs around 60. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows around 35.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Mostly Cloudy
    42°
    Tuesday 5/21
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of rain showers. Highs around 65.
    Night Details
    Mostly cloudy. Lows around 40.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    65°
    Forecast night icon
    Night
    70% Chance Rain Showers
    45°
    Wednesday 5/22
    Day
    65°
    70% Chance of Storms
    Forecast day icon
    Night
    45°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent.
    Night Details
    Cooler. Rain showers likely. Lows around 40. Highs around 55. Chance of showers 70 percent.
  • Forecast day icon
    Thursday
    70% Chance Rain Showers
    61°
    Forecast night icon
    Night
    50% Chance Rain Showers
    42°
    Thursday 5/23
    Day
    61°
    70% Chance Rain Showers
    Forecast day icon
    Night
    42°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Cooler. Rain showers likely. Lows around 40. Highs around 55. Chance of showers 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain showers. Lows around 40.
  • Forecast day icon
    Friday
    50% Chance of Storms
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    43°
    Friday 5/24
    Day
    60°
    50% Chance of Storms
    Forecast day icon
    Night
    43°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 38F with an average humidity of 66%. Winds will be 7 mph from the W.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    44°
    Saturday 5/25
    Day
    65°
    50% Chance of Rain
    Forecast day icon
    Night
    44°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 65F. Dew point will be around 41F with an average humidity of 53%. Winds will be 8 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 44F. Dew point will be around 37F with an average humidity of 59%. Winds will be 7 mph from the W.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    69°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Sunday 5/26
    Day
    69°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 69F. Dew point will be around 41F with an average humidity of 48%. Winds will be 7 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 38F with an average humidity of 55%. Winds will be 7 mph from the W.