La Salle Weather Forecast

    • 5
    • 22

    Mostly Sunny

    • 18
    • 26

    Mostly Cloudy

    • 19
    • 33

    Mostly Cloudy

    • 9
    • 30

    Chance Snow

    • 12
    • 25

    Snow Likely

    • 22
    • 32

    Snow Likely

    • 16
    • 34

    Rain/Snow Likely

Today 4 Dec Monroe

Mostly sunny. Highs in the lower 20s. Northwest Winds up to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Dec Monroe

Clear. Lows around 4 above. Southwest Winds up to 10 Mph. Wind chill Readings 6 below to 4 above zero.

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La Salle Temperature Statistics

December Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 1 December, 2025

    14 °F

  • Average December

    25 °F

  • Highest 2 December, 2025

    32 °F

Climate (2020–Present)

Monroe, Custer Airport (5 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.3 °F
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