Helena, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    35°
    Sunday 5/19
    Forecast night icon
    35°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 35F. Dew point will be around 30F with an average humidity of 70%. Winds will be 8 mph from the NW.
  • Forecast day icon
    Monday
    50% Chance of Storms
    59°
    Forecast night icon
    Night
    Partly Cloudy
    37°
    Monday 5/20
    Day
    59°
    50% Chance of Storms
    Forecast day icon
    Night
    37°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. Northwest winds up to 10 mph. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 30s. West winds up to 10 mph.
  • Forecast day icon
    Tuesday
    40% Chance of Storms
    65°
    Forecast night icon
    Night
    Mostly Cloudy
    44°
    Tuesday 5/21
    Day
    65°
    40% Chance of Storms
    Forecast day icon
    Night
    44°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds up to 10 mph. Chance of precipitation 40 percent.
    Night Details
    Mostly cloudy. Lows around 40. West winds 5 to 10 mph shifting to the south after midnight.
  • Forecast day icon
    Wednesday
    Thunderstorms
    61°
    Forecast night icon
    Night
    Rain
    41°
    Wednesday 5/22
    Day
    61°
    Thunderstorms
    Forecast day icon
    Night
    41°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Slight chance of rain in the morning then rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. Southwest winds up to 5 mph. Chance of precipitation 90 percent.
    Night Details
    Cooler rain. Lows around 40. Highs around 50. Chance of rain 90 percent.
  • Forecast day icon
    Thursday
    Rain
    48°
    Forecast night icon
    Night
    50% Chance of Rain
    36°
    Thursday 5/23
    Day
    48°
    Rain
    Forecast day icon
    Night
    36°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Cooler rain. Lows around 40. Highs around 50. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows around 35.
  • Forecast day icon
    Friday
    Mostly Cloudy
    63°
    Forecast night icon
    Night
    Mostly Cloudy
    43°
    Friday 5/24
    Day
    63°
    Mostly Cloudy
    Forecast day icon
    Night
    43°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Mostly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 65.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows around 40.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Saturday 5/25
    Day
    65°
    50% Chance of Storms
    Forecast day icon
    Night
    42°
    40% Chance of Rain
    Forecast night icon
    Hourly
    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
    Mostly cloudy with a 40 percent chance of rain. Lows 35 to 40.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    60°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Sunday 5/26
    Day
    60°
    40% Chance of Storms
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 40 percent.
    Night Details
    Partly cloudy. Low temperature around 42F. Dew point will be around 38F with an average humidity of 70%. Winds will be 10 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Monday 5/27
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 67F. Dew point will be around 42F with an average humidity of 54%. Winds will be 11 mph from the W.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 40F with an average humidity of 64%. Winds will be 8 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Tuesday 5/28
    Day
    74°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 43F with an average humidity of 46%. Winds will be 7 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 43F with an average humidity of 61%. Winds will be 6 mph from the W.