Sibley Lake Weather Forecast

    • 36
    • 61

    Rain Showers Likely

    • 33
    • 54

    Increasing Clouds

    • 35
    • 51

    Chance Rain/Snow

    • 37
    • 57

    Slight Chance Thunderstorms

    • 41
    • 62

    Chance Thunderstorms

    • 46
    • 68

    Partly Sunny

    • 44
    • 71

    Partly Sunny

Today 27 Jun Northeast Bighorn Mountains

Partly sunny with a 50 percent chance of Showers and Thunderstorms. Highs in the lower 60s. Southwest Winds 10 to 20 Mph.

Tonight 27 Jun Northeast Bighorn Mountains

Rain Showers likely and chance of Thunderstorms early in the Evening, then slight chance of Showers and Thunderstorms late in the evening. Chance of rain Showers overnight. Lows in the mid 30s. Southwest Winds 5 to 15 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sibley Lake Temperature Statistics

June Temperature

Sheridan County Airport (22.4 miles)

  • Lowest 8 June, 2026

    35.7 °F

  • Average June

    60.6 °F

  • Highest 6 June, 2026

    97.6 °F

Climate (2021–2026)

Sheridan County Airport (22.4 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    62.1 °F
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