Poison Lake Weather Forecast

    • 40
    • 65

    Rain Showers

    • 41
    • 63

    Rain Showers

    • 40
    • 61

    Chance Thunderstorms

    • 43
    • 64

    Slight Chance Thunderstorms

    • 46
    • 66

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

    • 47
    • 70

    Slight Chance Thunderstorms

Today 3 Jul Wind River Mountains East

Mostly cloudy with numerous Showers and scattered Thunderstorms. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall. Highs in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 3 Jul Wind River Mountains East

Scattered Thunderstorms this evening. Mostly cloudy with scattered Showers. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall this evening. Lows in the mid 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

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Poison Lake Temperature Statistics

July Temperature

South Pass (18.6 miles)

  • Lowest

  • Average July

  • Highest

Climate (2020–Present)

South Pass (18.6 miles)

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  • Average Low 2020–2024

    31.3 °F
  • Average 2020–2024

    39 °F
  • Average High 2020–2024

    46.7 °F
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