Yellowstone Weather Forecast

    • 67
    • 93

    Chance Thunderstorms

    • 62
    • 85

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 67
    • 87

    Chance Rain Showers

    • 65
    • 81

    Rain Showers Likely

    • 64
    • 80

    Slight Chance Thunderstorms

    • 62
    • 84

    Mostly Sunny

Today 27 Jul Lafayette

Mostly sunny. Heat index Readings 105 to 110. West Winds 10 to 15 Mph.

Tonight 27 Jul Lafayette

Cooler. Partly cloudy. Lows in the upper 60s. North Winds 5 to 15 Mph. Highest heat index Readings 96 to 101 in the evening.

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Yellowstone Temperature Statistics

July Temperature

Iowa County Airport (14.3 miles)

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Climate (2021–2026)

Iowa County Airport (14.3 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    59.7 °F
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