Threemile Reservoir Weather Forecast

    • 31
    • 49

    Chance Rain/Snow

    • 28
    • 43

    Chance Snow

    • 33
    • 45

    Chance Rain/Snow

    • 36
    • 53

    Partly Sunny

    • 37
    • 64

    Partly Sunny

    • 29
    • 58

    Mostly Cloudy

    • 29
    • 47

    Mostly Cloudy

Today 4 Mar Harney County

Areas of fog this morning. Rain and Snow, with a slight chance of Thunderstorms. Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall. Chance of precipitation near 100 percent. Snow accumulation up to 1 inch. Cooler with Highs 42 to 48. Windy. Southwest Winds 10 to 15 Mph this Morning, becoming west 15 to 25 Mph this afternoon. Gusts to 35 Mph.

Tonight 4 Mar Harney County

A chance of rain Showers this evening. Mostly cloudy with a chance of snow Showers. Chance of precipitation 30 percent. Lows 27 to 32. Windy. West Winds 15 to 25 Mph with Gusts to 35 Mph.

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Threemile Reservoir Temperature Statistics

March Temperature

Rome (53.4 miles)

  • Lowest 2 March, 2026

    32 °F

  • Average March

    42.3 °F

  • Highest 1 March, 2026

    52 °F

Climate (2021–Present)

Rome (53.4 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    66 °F
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