Canyon Lake Weather Forecast

    • 46
    • 73

    Slight Chance Thunderstorms

    • 53
    • 83

    Mostly Sunny

    • 58
    • 89

    Mostly Sunny

    • 58
    • 90

    Partly Sunny

    • 54
    • 82

    Chance Thunderstorms

    • 54
    • 77

    Rain Showers Likely

Today 23 May Rapid City

Mostly sunny. Highs in the lower 70s. Southwest Winds 5 to 10 Mph, becoming east with Gusts up to 20 Mph in the afternoon.

Tonight 23 May Rapid City

Mostly clear. Lows around 40. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canyon Lake Temperature Statistics

May Temperature

Ellsworth Air Force Base (11.2 miles)

  • Lowest 6 May, 2026

    25.5 °F

  • Average May

    56.5 °F

  • Highest 13 May, 2026

    92.1 °F

Climate (2021–Present)

Ellsworth Air Force Base (11.2 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    61.3 °F
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