Merrell Lake Weather Forecast

    • 38
    • 61

    Decreasing Clouds

    • 43
    • 69

    Partly Sunny

    • 47
    • 75

    Mostly Sunny

    • 49
    • 79

    Slight Chance Thunderstorms

    • 44
    • 72

    Chance Rain Showers

    • 42
    • 66

    Chance Rain Showers

Today 22 May Paradise Valley

Mostly sunny. A 20 percent chance of rain Showers late in the afternoon. Warmer. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 22 May Paradise Valley

Mostly cloudy. A 20 percent chance of rain Showers early in the evening. Warmer. Lows in the lower 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrell Lake Temperature Statistics

May Temperature

West Yellowstone (34.8 miles)

  • Lowest 19 May, 2026

    12.2 °F

  • Average May

    45.3 °F

  • Highest 13 May, 2026

    77 °F

Climate (2021–Present)

West Yellowstone (34.8 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    66.3 °F
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