McKay Lake Weather Forecast

    • 30
    • 43

    Rain Likely

    • 35
    • 59

    Partly Sunny

    • 28
    • 51

    Chance Rain/Snow

    • 34
    • 56

    Slight Chance Rain Showers

    • 37
    • 64

    Chance Rain Showers

    • 34
    • 60

    Chance Rain Showers

Today 21 May Green Mountains and Rattlesnake Range

Mostly cloudy with rain Showers likely. Snow Showers this Morning, then a chance of Thunderstorms and snow Showers this afternoon. Snow accumulation up to 1 inch. Highs in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 80 percent.

Tonight 21 May Green Mountains and Rattlesnake Range

Partly cloudy in the Evening, then clearing. Lows in the lower 30s. Northwest Winds 10 to 15 Mph, becoming southwest after midnight.

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McKay Lake Temperature Statistics

May Temperature

South Pass (25.5 miles)

  • Lowest

  • Average May

  • Highest

Climate (2019–Present)

South Pass (25.5 miles)

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  • Average Low 2019–2024

    33.7 °F
  • Average 2019–2024

    41.6 °F
  • Average High 2019–2024

    49.7 °F
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