Yellowstone Lake Weather Forecast

    • 61
    • 75

    Rain Showers

    • 66
    • 85

    Chance Thunderstorms

    • 66
    • 87

    Rain Showers

    • 61
    • 80

    Rain Showers

    • 61
    • 80

    Slight Chance Thunderstorms

    • 70
    • 84

    Chance Thunderstorms

    • 72
    • 89

    Mostly Sunny

Today 15 Jun Lafayette

Cloudy with scattered light Showers and slight chance of Thunderstorms. Southeast Winds around 5 Mph. Chance of precipitation 50 percent.

Tonight 15 Jun Lafayette

Mostly cloudy. Slight chance of Thunderstorms through around midnight. Scattered light Showers through the night. Slight chance of Thunderstorms early in the morning. Lows in the lower 60s. East Winds up to 5 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

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Yellowstone Lake Temperature Statistics

June Temperature

Iowa County Airport (15.5 miles)

  • Lowest 1 June, 2025

    46.4 °F

  • Average June

    64.3 °F

  • Highest 11 June, 2025

    84.2 °F

Climate (2020–Present)

Iowa County Airport (15.5 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    58.8 °F
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