South Fork Reservoir Weather Forecast

    • 45
    • 72

    Mostly Sunny

    • 45
    • 69

    Partly Sunny

    • 26
    • 64

    Chance Rain

    • 30
    • 48

    Partly Sunny

    • 31
    • 55

    Mostly Cloudy

    • 38
    • 58

    Chance Rain

Today 19 Mar Prairie

Mostly sunny. Highs in the mid 70s. West wind 10 to 15 Mph.

Tonight 19 Mar Prairie

Mostly clear. Lows in the lower 40s. West wind around 10 Mph.

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  • Temperature Real-Time

South Fork Reservoir Temperature Statistics

March Temperature

Miles City, Frank Wiley Field Airport (32.9 miles)

  • Lowest 15 March, 2026

    1.9 °F

  • Average March

    34.2 °F

  • Highest 8 March, 2026

    72 °F

Climate (2021–Present)

Miles City, Frank Wiley Field Airport (32.9 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    60 °F
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