Grant Marsh Wildlife Management Area Weather Forecast

    • 59
    • 91

    Chance Rain Showers

    • 61
    • 93

    Mostly Sunny

    • 63
    • 99

    Hot

    • 63
    • 100

    Hot

    • 58
    • 88

    Slight Chance Rain Showers

    • 55
    • 83

    Mostly Sunny

Today 17 Aug Northern Big Horn

Mostly sunny. Highs in the lower 90s. Northwest Winds 5 to 10 Mph in the morning shifting to the northeast in the afternoon.

Tonight 17 Aug Northern Big Horn

Mostly cloudy. Chance of Showers and slight chance of Thunderstorms in the evening. Lows in the upper 50s. North Winds 5 to 10 Mph in the evening shifting to the south overnight. Chance of precipitation 30 percent.

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  • Temperature Real-Time

Grant Marsh Wildlife Management Area Temperature Statistics

August Temperature

Billings, Billings Logan International Airport (45.4 miles)

  • Lowest 10 August, 2025

    53.7 °F

  • Average August

    72.9 °F

  • Highest 13 August, 2025

    98.7 °F

Climate (2020–Present)

Billings, Billings Logan International Airport (45.4 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.5 °F
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