Yellowstone Weather Forecast

    • 62
    • 67

    Rain Showers

    • 54
    • 75

    Rain Showers

    • 61
    • 70

    Rain Showers

    • 62
    • 77

    Rain Showers Likely

    • 65
    • 77

    Rain Showers Likely

    • 61
    • 78

    Rain Showers Likely

    • 57
    • 73

    Chance Rain Showers

Today 14 Sep Lafayette

Mostly cloudy with a 50 percent chance of light Showers. Southeast Winds around 15 Mph with Gusts to around 30 Mph.

Tonight 14 Sep Lafayette

Warmer. Scattered Showers and Thunderstorms through around Midnight, then Showers and scattered Thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. South Winds 10 to 20 Mph. Chance of precipitation near 100 percent.

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Yellowstone Temperature Statistics

September 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

    41.9 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    59 °F
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