Lake Otatsy Weather Forecast

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    Chance Snow

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    Snow

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    Snow

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    Snow

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    Snow Likely

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    Snow Likely

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    Snow Likely

Today 3 Dec Butte/Blackfoot Region

Partly cloudy. Patchy freezing fog until late afternoon. Highs in the upper 20s to mid 30s.

Tonight 3 Dec Butte/Blackfoot Region

Mostly cloudy. Lows 13 to 20. Southwest Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Otatsy Temperature Statistics

December Temperature

Missoula, Missoula International Airport (52.8 miles)

  • Lowest 1 December, 2025

    17.1 °F

  • Average December

    23.7 °F

  • Highest 1 December, 2025

    28.9 °F

Climate (2020–Present)

Missoula, Missoula International Airport (52.8 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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