Grant Reservoir Weather Forecast

    • 30
    • 51

    Slight Chance Rain Showers

    • 31
    • 52

    Rain Showers Likely

    • 29
    • 50

    Slight Chance Rain Showers

    • 42
    • 66

    Partly Sunny

    • 51
    • 80

    Chance Rain

    • 42
    • 65

    Chance Rain

    • 38
    • 56

    Chance Rain

Today 1 May Prairie

Mostly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the mid 50s. Light and variable Winds.

Tonight 1 May Prairie

Partly cloudy. A 20 percent chance of rain Showers early in the evening. Lows around 30. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Reservoir Temperature Statistics

May Temperature

Miles City, Frank Wiley Field Airport (32.3 miles)

  • Lowest

  • Average May

  • Highest

Climate (2019–Present)

Miles City, Frank Wiley Field Airport (32.3 miles)

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  • Average Low 2019–2024

    35.1 °F
  • Average 2019–2024

    46.7 °F
  • Average High 2019–2024

    58.6 °F
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