Roundup Airport Weather Forecast

    • 28
    • 40

    Snow Likely

    • 30
    • 54

    Chance Rain/Snow

    • 32
    • 47

    Rain Likely

    • 29
    • 52

    Chance Rain Showers

    • 26
    • 51

    Chance Rain/Snow

    • 26
    • 45

    Chance Snow Showers

Today 30 Mar Musselshell

Patchy fog in the morning. Snow likely early in the Morning, then chance of snow in the late morning and afternoon. Little or no snow accumulation. Highs around 40. Northeast Winds 5 to 15 Mph. Chance of precipitation 60 percent.

Tonight 30 Mar Musselshell

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

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Roundup Airport Temperature Statistics

March Temperature

N BAR Ranch Airport (31.1 miles)

  • Lowest 7 March, 2025

    15.8 °F

  • Average March

    38.9 °F

  • Highest 27 March, 2025

    73.4 °F

Climate (2020–Present)

N BAR Ranch Airport (31.1 miles)

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  • Average Low 2020–2025

    31.2 °F

  • Average 2020–2025

    43.5 °F

  • Average High 2020–2025

    55 °F
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