Rattlesnake Reservoir Weather Forecast

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    • 63

    Chance Rain Showers

    • 44
    • 65

    Chance Rain Showers

    • 48
    • 68

    Chance Rain Showers

    • 45
    • 67

    Rain Showers

    • 43
    • 54

    Rain Showers Likely

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    • 64

    Rain Showers Likely

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    • 69

    Chance Rain Showers

Today 15 May Southwestern Yellowstone

Mostly cloudy with chance of rain Showers and slight chance of Thunderstorms. Highs in the lower 60s. Northwest Winds 15 to 25 Mph. Chance of precipitation 50 percent.

Tonight 15 May Southwestern Yellowstone

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms early in the Evening, then slight chance of rain Showers late in the evening. Lows in the mid 40s. Northwest Winds 15 to 25 Mph. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rattlesnake Reservoir Temperature Statistics

May Temperature

Billings, Billings Logan International Airport (8.1 miles)

  • Lowest 7 May, 2025

    35.7 °F

  • Average May

    59.9 °F

  • Highest 10 May, 2025

    87.7 °F

Climate (2020–Present)

Billings, Billings Logan International Airport (8.1 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.5 °F
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