10-Day Weather Forecast - Helena, MT

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  • |53°F
    Partly Cloudy

    Tonight

    53°F

    Mostly cloudy early in the evening then becoming partly cloudy. Lows in the mid 40s. North winds up to 10 mph shifting to the southwest after midnight.

    Hourly details
  • 83|53°F
    Mostly Sunny

    Day

    83°F

    Mostly sunny in the morning then mostly cloudy with a 20 percent chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 80s. Southeast winds up to 5 mph shifting to the west in the afternoon.

    Night

    53°F

    Mostly cloudy with a 20 percent chance of thunderstorms in the evening then mostly clear after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the upper 40s. West winds 5 to 10 mph.

    Hourly details
  • 76|48°F
    Sunny

    Day

    76°F

    Sunny. Highs in the mid 70s. Northwest winds up to 10 mph. Gusts up to 25 mph in the afternoon.

    Night

    48°F

    Partly cloudy. Lows in the mid 40s. Northwest winds 15 to 20 mph decreasing to up to 10 mph after midnight.

    Hourly details
  • 68|45°F
    Mostly Sunny

    Day

    68°F

    Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 70.

    Night

    45°F

    Mostly clear. Lows in the lower 40s. Highs around 80.

    Hourly details
  • 78|50°F
    Mostly Sunny

    Day

    78°F

    Mostly clear. Lows in the lower 40s. Highs around 80.

    Night

    50°F

    Mostly clear. Lows in the upper 40s.

    Hourly details
  • 82|55°F
    Partly Cloudy

    Day

    82°F

    Partly cloudy. Highs in the mid 80s. Lows in the upper 40s.

    Night

    55°F

    Partly cloudy. Highs in the mid 80s. Lows in the upper 40s.

    Hourly details
  • 80|56°F
    Mostly Sunny

    Day

    80°F

    Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 80s.

    Night

    56°F

    Partly cloudy. Lows in the lower 50s.

    Hourly details
  • 83|57°F
    Mostly Sunny

    Day

    83°F

    Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s.

    Night

    57°F

    Partly cloudy. Low temperature around 57F. Dew point will be around 41F with an average humidity of 42%. Winds will be 8 mph from the SW.

  • 78|54°F
    30% Chance of Rain

    Day

    78°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 78F. Dew point will be around 44F with an average humidity of 40%. Winds will be 6 mph from the W.

    Night

    54°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 54F. Dew point will be around 44F with an average humidity of 51%. Winds will be 9 mph from the W.

  • 75|53°F
    Sunny

    Day

    75°F

    Sunny. High temperature around 75F. Dew point will be around 44F with an average humidity of 45%. Winds will be 7 mph from the W.

    Night

    53°F

    Partly cloudy. Low temperature around 53F. Dew point will be around 42F with an average humidity of 50%. Winds will be 8 mph from the NW.