Mills Weather Forecast

    • 19
    • 40

    Slight Chance Snow Showers

    • 13
    • 35

    Partly Sunny

    • 10
    • 30

    Mostly Cloudy

    • 5
    • 26

    Partly Sunny

    • 14
    • 32

    Mostly Sunny

    • 24
    • 38

    Partly Sunny

Today 20 Jan Natrona County Lower Elevations

Partly cloudy this Morning, then becoming mostly cloudy. A slight chance of. Breezy with Highs around 40. Temperature falling into the upper 20s this afternoon. West Winds 15 to 20 Mph, becoming northwest 15 to 25 Mph this afternoon.

Tonight 20 Jan Natrona County Lower Elevations

Mostly clear and Breezy, cold with Lows 14 to 18. West Winds 15 to 20 Mph. Gusts up to 35 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mills Temperature Statistics

January Temperature

Casper, Natrona County International Airport (6.2 miles)

  • Lowest 17 January, 2026

    3.9 °F

  • Average January

    36.1 °F

  • Highest 14 January, 2026

    57 °F

Climate (2021–Present)

Casper, Natrona County International Airport (6.2 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    60.7 °F
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