Bluegrass Weather Forecast

    • 17
    • 25

    Mostly Cloudy

    • 14
    • 27

    Mostly Cloudy

    • 14
    • 27

    Slight Chance Freezing Rain

    • 12
    • 30

    Chance Snow

    • -4
    • 24

    Slight Chance Snow

    • 0
    • 11

    Partly Sunny

Today 23 Dec Morton

Partly sunny. Highs in the mid 20s. North Winds 5 to 10 Mph, becoming southeast in the afternoon.

Tonight 23 Dec Morton

Mostly cloudy. Lows 15 to 20. Southeast Winds around 10 Mph.

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Bluegrass Temperature Statistics

December Temperature

Glen Ullin Regional Airport (16.2 miles)

  • Lowest 1 December, 2025

    -11.2 °F

  • Average December

    18 °F

  • Highest 16 December, 2025

    48.2 °F

Climate (2020–Present)

Glen Ullin Regional Airport (16.2 miles)

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  • Average Low 2020–2025

    29.9 °F

  • Average 2020–2025

    43.1 °F

  • Average High 2020–2025

    55.4 °F
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