Flathead Lake Weather Forecast

    • 48
    • 58

    Rain Likely

    • 46
    • 59

    Slight Chance Rain

    • 47
    • 63

    Mostly Cloudy

    • 49
    • 67

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 70

    Chance Rain

Today 29 May Flathead/Mission Valleys

Rain Showers likely and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 60 percent. Highs in the upper 50s to mid 60s.

Tonight 29 May Flathead/Mission Valleys

Rain Showers likely and a chance of Thunderstorms in the Evening, then chance of rain Showers and a slight chance of Thunderstorms after midnight. Chance of precipitation 70 percent. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flathead Lake Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (30.4 miles)

  • Lowest 11 May, 2022

    24.1 °F
  • Average May

    48.5 °F
  • Highest 26 May, 2022

    70 °F

Climate (2010–Present)

Kalispell, Glacier Park International Airport (30.4 miles)

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  • Average Low 2010–Present

    32.4 °F
  • Average 2010–Present

    43.6 °F
  • Average High 2010–Present

    54.7 °F
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