Sylvan Lake Weather Forecast

    • 25
    • 34

    Snow Likely

    • 22
    • 33

    Snow Likely

    • 23
    • 38

    Chance Snow

    • 16
    • 37

    Snow Likely

    • 18
    • 35

    Slight Chance Snow

    • 21
    • 39

    Mostly Sunny

Today 1 Apr Central Black Hills

Snow with rain likely. Highs in the upper 30s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 80 percent.

Tonight 1 Apr Central Black Hills

Cloudy. Snow likely in the Evening, then a chance of snow after midnight. Snow accumulation up to 1 inch. Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

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Sylvan Lake Temperature Statistics

April Temperature

Custer, Custer County Airport (8.1 miles)

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Climate (2020–Present)

Custer, Custer County Airport (8.1 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    56.1 °F
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