Threemile Reservoir Weather Forecast

    • 19
    • 35

    Snow Likely

    • 23
    • 39

    Mostly Cloudy

    • 28
    • 49

    Chance Rain/Snow

    • 25
    • 50

    Slight Chance Rain

    • 27
    • 53

    Mostly Cloudy

    • 24
    • 50

    Mostly Cloudy

Today 29 Mar Northern Blaine County

Cloudy. Chance of snow in the Morning, then chance of snow and rain in the afternoon. Highs 30 to 35. East Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 29 Mar Northern Blaine County

Colder. Cloudy with a 20 percent chance of snow. Lows 15 to 20. East Winds 5 to 10 Mph.

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Threemile Reservoir Temperature Statistics

March Temperature

Havre, Havre City-County Airport (51.6 miles)

  • Lowest 4 March, 2025

    15.9 °F

  • Average March

    38.5 °F

  • Highest 13 March, 2025

    64.7 °F

Climate (2020–Present)

Havre, Havre City-County Airport (51.6 miles)

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  • Average Low 2020–2025

    32.1 °F

  • Average 2020–2025

    45 °F

  • Average High 2020–2025

    57.5 °F
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