Roundup Airport Weather Forecast

    • 26
    • 48

    Rain Likely

    • 29
    • 50

    Slight Chance Rain/Snow

    • 41
    • 58

    Breezy

    • 37
    • 67

    Breezy

    • 27
    • 56

    Chance Rain/Snow

    • 21
    • 41

    Chance Snow Showers

Today 5 Mar Musselshell

Cooler. Chance of rain and snow late in the morning. Rain likely in the afternoon. Snow likely late in the afternoon. No snow accumulation. Highs in the upper 40s. North Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 5 Mar Musselshell

Rain and snow likely early in the Evening, then chance of snow late in the evening. Slight chance of snow after 3 am. No snow accumulation. Lows in the upper 20s. Northwest Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roundup Airport Temperature Statistics

March Temperature

N BAR Ranch Airport (31.1 miles)

  • Lowest 1 March, 2026

    17.6 °F

  • Average March

    39.8 °F

  • Highest 3 March, 2026

    57.2 °F

Climate (2021–Present)

N BAR Ranch Airport (31.1 miles)

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  • Average Low 2021–2026

    31.9 °F

  • Average 2021–2026

    44.2 °F

  • Average High 2021–2026

    55.6 °F
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