Park Reservoir Weather Forecast

    • 39
    • 53

    Becoming Sunny

    • 41
    • 58

    Mostly Sunny

    • 45
    • 59

    Partly Sunny

    • 26
    • 60

    Mostly Cloudy

    • 28
    • 40

    Chance Snow Showers

    • 31
    • 46

    Slight Chance Snow Showers

Today 18 Mar Northeast Bighorn Mountains

Sunny. Highs in the mid 50s. Southwest Winds 15 to 25 Mph. Gusts up to 40 Mph in the afternoon.

Tonight 18 Mar Northeast Bighorn Mountains

Mostly clear. Lows in the mid 30s. Southwest Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Park Reservoir Temperature Statistics

March Temperature

Sheridan County Airport (18 miles)

  • Lowest 15 March, 2026

    9 °F

  • Average March

    37.2 °F

  • Highest 8 March, 2026

    69.1 °F

Climate (2021–Present)

Sheridan County Airport (18 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    62 °F
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