Pompeys Pillar National Historic Landmark Weather Forecast

    • 29
    • 50

    Increasing Clouds

    • 36
    • 50

    Mostly Cloudy

    • 28
    • 56

    Partly Sunny

    • 32
    • 54

    Mostly Cloudy

    • 30
    • 54

    Mostly Cloudy

    • 27
    • 49

    Mostly Cloudy

Today 29 Jan Northeastern Yellowstone

Mostly sunny. Highs around 50. West Winds 5 to 15 Mph.

Tonight 29 Jan Northeastern Yellowstone

Mostly cloudy. Lows in the upper 20s. West Winds 5 to 10 Mph.

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Pompeys Pillar National Historic Landmark Temperature Statistics

January Temperature

Billings, Billings Logan International Airport (28.6 miles)

  • Lowest 23 January, 2026

    -5.4 °F

  • Average January

    34.8 °F

  • Highest 14 January, 2026

    66.7 °F

Climate (2021–Present)

Billings, Billings Logan International Airport (28.6 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    60.7 °F
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