St. Ignatius Airport Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain/Snow Likely

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    Chance Rain/Snow

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    Chance Rain/Snow

Today 7 Dec Flathead/Mission Valleys

Areas of rain and snow until late Afternoon, then rain likely late in the afternoon. Chance of precipitation 90 percent. No snow accumulation. Highs in the mid 30s to lower 40s. South Winds 15 to 20 Mph.

Tonight 7 Dec Flathead/Mission Valleys

Rain likely early in the Evening, then Areas of rain in the late evening and overnight. Patchy fog after midnight. Chance of rain 90 percent. Lows in the 30s. Very windy with south Winds 25 to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Ignatius Airport Temperature Statistics

December Temperature

Missoula, Missoula International Airport (27.3 miles)

  • Lowest 1 December, 2025

    17.1 °F
  • Average December

    29.1 °F
  • Highest 2 December, 2025

    35.1 °F

Climate (2020–Present)

Missoula, Missoula International Airport (27.3 miles)

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  • Average Low 2020–2025

    35.8 °F
  • Average 2020–2025

    47.3 °F
  • Average High 2020–2025

    59.4 °F
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