Morton Weather Forecast

    • 25
    • 38

    Breezy

    • 21
    • 52

    Chance Rain/Snow

    • 20
    • 40

    Partly Sunny

    • 30
    • 45

    Chance Rain/Snow

    • 31
    • 54

    Slight Chance Rain Showers

    • 31
    • 54

    Partly Sunny

    • 30
    • 54

    Chance Rain/Snow

Today 18 Dec Wind River Basin

Partly cloudy and breezy. Near steady temperature in the mid 30s. Southwest Winds 15 to 20 Mph with Gusts up to 45 Mph.

Tonight 18 Dec Wind River Basin

Partly cloudy and windy. Lows in the upper 20s. Temperature rising into the upper 30s after midnight. Southwest Winds 20 to 30 Mph. Gusts up to 45 Mph, increasing to 55 Mph after midnight.

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Morton Temperature Statistics

December Temperature

Riverton Regional Airport (18.6 miles)

  • Lowest 1 December, 2025

    3 °F

  • Average December

    36.4 °F

  • Highest 16 December, 2025

    62.1 °F

Climate (2020–Present)

Riverton Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    45.8 °F

  • Average High 2020–2025

    58.6 °F
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