Grass Range Weather Forecast

    • 18
    • 36

    Snow

    • 16
    • 30

    Chance Snow

    • 28
    • 40

    Partly Sunny

    • 31
    • 42

    Mostly Cloudy

    • 29
    • 47

    Chance Rain/Snow

    • 28
    • 42

    Chance Rain/Snow

Today 5 Dec Fergus County below 4500ft

Partly sunny with a 20 percent chance of snow. Highs in the mid 30s. West Winds 5 to 15 Mph with Gusts to around 35 Mph shifting to the south 5 to 10 Mph in the afternoon.

Tonight 5 Dec Fergus County below 4500ft

Snow. Snow accumulation of 1 to 3 Inches. Lows around 18. Southeast Winds 5 to 10 Mph shifting to the northwest 5 to 15 Mph with Gusts to around 30 Mph after midnight. Chance of snow 90 percent.

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Grass Range Temperature Statistics

December Temperature

N BAR Ranch Airport (14.3 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    30.1 °F

  • Highest 1 December, 2025

    37.4 °F

Climate (2020–Present)

N BAR Ranch Airport (14.3 miles)

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  • Average Low 2020–2025

    31.6 °F

  • Average 2020–2025

    43.8 °F

  • Average High 2020–2025

    55.2 °F
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