Yellowstone Weather Forecast

    • -18
    • 17

    Decreasing Clouds

    • -14
    • -6

    Cold

    • -7
    • 2

    Slight Chance Snow

    • -8
    • 9

    Cold

    • 1
    • 8

    Cold

    • 2
    • 16

    Mostly Cloudy

Today 22 Jan Lafayette

Mostly cloudy. Slight chance of light snow early in the Afternoon, then chance of Flurries late in the afternoon. Patchy blowing snow through the day. Highs around 18. West Winds 15 to 20 Mph with Gusts to around 35 Mph. Chance of snow 20 percent.

Tonight 22 Jan Lafayette

Bitterly cold. Much Colder. Partly cloudy. Chance of Flurries in the evening. Lows around 18 below. Northwest Winds 15 to 20 Mph. Lowest wind chill Readings 30 below to 40 below zero in the late evening and overnight.

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Yellowstone Temperature Statistics

January Temperature

Iowa County Airport (14.3 miles)

  • Lowest

  • Average January

  • Highest

Climate (2021–Present)

Iowa County Airport (14.3 miles)

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  • Average Low 2021–2025

    42.4 °F
  • Average 2021–2025

    51 °F
  • Average High 2021–2025

    59.6 °F
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