Merrell Lake Weather Forecast

    • 55
    • 85

    Chance Thunderstorms

    • 52
    • 79

    Chance Thunderstorms

    • 51
    • 79

    Chance Thunderstorms

    • 54
    • 82

    Slight Chance Thunderstorms

    • 55
    • 84

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

Today 21 Jul Paradise Valley

Increasing Clouds. Chance of Showers and Thunderstorms early in the afternoon. Rain Showers likely and chance of Thunderstorms late in the afternoon. Highs in the upper 80s. Northeast Winds 5 to 10 Mph in the morning shifting to the southwest 5 to 15 Mph in the afternoon. Chance of precipitation 60 percent.

Tonight 21 Jul Paradise Valley

Partly cloudy. Chance of Showers and Thunderstorms early in the Evening, then chance of rain Showers and slight chance of Thunderstorms late in the evening. Lows in the mid 50s. East Winds 5 to 15 Mph. Chance of precipitation 50 percent.

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Merrell Lake Temperature Statistics

July Temperature

West Yellowstone (34.8 miles)

  • Lowest 6 July, 2025

    33.8 °F
  • Average July

    60.6 °F
  • Highest 1 July, 2025

    86 °F

Climate (2020–Present)

West Yellowstone (34.8 miles)

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  • Average Low 2020–2025

    33.4 °F
  • Average 2020–2025

    50.7 °F
  • Average High 2020–2025

    66.1 °F
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