Dullknife Reservoir Weather Forecast

    • 39
    • 54

    Mostly Sunny

    • 43
    • 63

    Chance Rain Showers

    • 41
    • 58

    Slight Chance Thunderstorms

    • 45
    • 63

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

    • 43
    • 63

    Slight Chance Rain Showers

    • 43
    • 62

    Partly Sunny

Today 21 Sep Bighorn Mountains Southeast

Partly cloudy. Near steady temperature in the mid 50s. South Winds around 10 Mph.

Tonight 21 Sep Bighorn Mountains Southeast

Mostly clear. Lows in the lower 40s. South Winds around 10 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dullknife Reservoir Temperature Statistics

September Temperature

Buffalo - Johnson County Airport (29.8 miles)

  • Lowest 15 September, 2026

    41.6 °F

  • Average September

    65.7 °F

  • Highest 4 September, 2026

    93.7 °F

Climate (2021–2026)

Buffalo - Johnson County Airport (29.8 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    59.7 °F
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