Red Butte Weather Forecast

    • 33
    • 51

    Rain Showers Likely

    • 38
    • 60

    Slight Chance Rain/Snow

    • 46
    • 70

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 53
    • 83

    Partly Sunny

    • 51
    • 79

    Chance Thunderstorms

    • 48
    • 75

    Slight Chance Thunderstorms

Today 21 May Natrona County Lower Elevations

Rain Showers, snow Showers with a chance of Thunderstorms. No snow accumulation. Breezy. Near steady temperature in the upper 30s. Temperature falling into the upper 30s late. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 90 percent.

Tonight 21 May Natrona County Lower Elevations

Cloudy with rain Showers, snow Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy with a chance of rain and snow Showers after midnight. Little or no snow accumulation. Breezy with Lows in the lower 30s. North Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west around 10 Mph after midnight. Chance of precipitation 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Red Butte Temperature Statistics

May Temperature

Casper, Natrona County International Airport (6.2 miles)

  • Lowest 6 May, 2026

    18.6 °F

  • Average May

    51 °F

  • Highest 13 May, 2026

    92.6 °F

Climate (2021–Present)

Casper, Natrona County International Airport (6.2 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.5 °F
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