Diversion Lake Weather Forecast

    • 46
    • 67

    Chance Rain

    • 30
    • 51

    Rain

    • 28
    • 50

    Mostly Sunny

    • 32
    • 53

    Mostly Cloudy

    • 43
    • 57

    Chance Rain

    • 27
    • 54

    Chance Rain/Snow

    • 23
    • 41

    Chance Snow

Today 20 Mar Southern Rocky Mountain Front

Windy. Not as cool. Sunny. Patchy blowing dust. Highs 46 to 60. West Winds 25 to 35 Mph with Gusts to around 80 Mph.

Tonight 20 Mar Southern Rocky Mountain Front

Windy. Partly cloudy in the evening then becoming mostly cloudy. A 50 percent chance of rain. Lows 36 to 44. West Winds 15 to 30 Mph. Gusts up to 90 Mph decreasing to 75 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diversion Lake Temperature Statistics

March Temperature

Great Falls, Great Falls International Airport (62.8 miles)

  • Lowest 15 March, 2026

    -5.4 °F

  • Average March

    36.6 °F

  • Highest 3 March, 2026

    63.6 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (62.8 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59 °F
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