South Fork Reservoir Weather Forecast

    • 40
    • 70

    Chance Thunderstorms

    • 43
    • 72

    Mostly Sunny

    • 47
    • 79

    Sunny

    • 48
    • 84

    Mostly Sunny

    • 50
    • 80

    Partly Sunny

    • 49
    • 78

    Partly Sunny

Today 14 Sep Harney County

Patchy fog this morning. A chance of Thunderstorms. Rain Showers Likely, mainly this morning. Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall. Chance of rain 60 percent. Highs 62 to 72. West Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 14 Sep Harney County

Mostly clear. Areas of fog after midnight. Colder with Lows 31 to 42. Northwest Winds 10 to 15 Mph. Gusts to 25 Mph in the evening.

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South Fork Reservoir Temperature Statistics

September Temperature

Burns Municipal Airport (39.8 miles)

  • Lowest 12 September, 2025

    34 °F

  • Average September

    66 °F

  • Highest 2 September, 2025

    93 °F

Climate (2020–Present)

Burns Municipal Airport (39.8 miles)

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  • Average Low 2020–2025

    32 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    62.3 °F
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