Lodge Grass Reservoir Weather Forecast

    • 49
    • 68

    Rain Showers

    • 43
    • 61

    Rain Showers Likely

    • 45
    • 69

    Chance Rain Showers

    • 46
    • 72

    Slight Chance Thunderstorms

    • 48
    • 73

    Partly Sunny

    • 48
    • 74

    Chance Thunderstorms

    • 51
    • 77

    Slight Chance Thunderstorms

Today 30 May Southern Big Horn

Scattered Showers and Thunderstorms early in the Afternoon, then Showers and scattered Thunderstorms late in the afternoon. Cooler. Some Thunderstorms may produce heavy rainfall. Highs in the lower 70s. West Winds 5 to 15 Mph. Chance of precipitation 90 percent.

Tonight 30 May Southern Big Horn

Mostly cloudy. Slight chance of rain Showers late in the evening. Slight chance of Thunderstorms in the late evening and overnight. Chance of rain Showers overnight. Lows in the upper 40s. Northwest Winds 5 to 15 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lodge Grass Reservoir Temperature Statistics

May Temperature

Sheridan County Airport (41 miles)

  • Lowest 6 May, 2026

    16.6 °F

  • Average May

    52.8 °F

  • Highest 13 May, 2026

    95.6 °F

Climate (2021–Present)

Sheridan County Airport (41 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    62.3 °F
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