Big Sky Field Weather Forecast

    • 4
    • 11

    Chance Snow

    • -1
    • 43

    Breezy

    • -2
    • 13

    Partly Sunny

    • 15
    • 29

    Partly Sunny

    • 6
    • 35

    Slight Chance Snow

    • 13
    • 28

    Partly Sunny

Today 18 Dec Eastern Roosevelt

Sunny. Much Colder with Highs around 15. Northwest wind around 10 Mph, becoming southwest this afternoon. Wind chill Values around 15 below.

Tonight 18 Dec Eastern Roosevelt

Snow likely with a chance of freezing rain after midnight. Little or no snow accumulation. Ice accumulation around a trace. Lows 5 to 10 above. Temperatures rising into the mid 20s after midnight. Southeast wind 15 to 20 Mph. Chance of precipitation 70 percent. Wind chill Values around 10 below this evening.

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Big Sky Field Temperature Statistics

December Temperature

Sidney-Richland (34.2 miles)

  • Lowest 13 December, 2025

    -11 °F

  • Average December

    15.8 °F

  • Highest 9 December, 2025

    43 °F

Climate (2020–Present)

Sidney-Richland (34.2 miles)

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  • Average Low 2020–2025

    31.9 °F

  • Average 2020–2025

    43.9 °F

  • Average High 2020–2025

    56.1 °F
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