Hailstone Lake Weather Forecast

    • 56
    • 81

    Increasing Clouds

    • 49
    • 75

    Chance Rain Showers

    • 46
    • 72

    Mostly Sunny

    • 51
    • 79

    Partly Sunny

    • 53
    • 83

    Partly Sunny

    • 49
    • 77

    Mostly Cloudy

Today 6 Sep Northern Stillwater

Sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph in the morning shifting to the east 5 to 15 Mph in the afternoon.

Tonight 6 Sep Northern Stillwater

Slight chance of Showers and Thunderstorms late in the evening. Rain Showers likely and chance of Thunderstorms Overnight, then chance of rain Showers after 3 am. Patchy fog after 3 am. Lows in the mid 50s. Northeast Winds 5 to 15 Mph in the evening shifting to the northwest overnight. Chance of precipitation 60 percent.

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Hailstone Lake Temperature Statistics

September Temperature

Billings, Billings Logan International Airport (33.6 miles)

  • Lowest 1 September, 2026

    50.6 °F

  • Average September

    70.3 °F

  • Highest 2 September, 2026

    88.6 °F

Climate (2021–2026)

Billings, Billings Logan International Airport (33.6 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    61.3 °F
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