Split Rock Lake Weather Forecast

    • 31
    • 49

    Chance Rain

    • 35
    • 57

    Chance Rain/Snow

    • 30
    • 54

    Chance Rain

    • 40
    • 56

    Chance Rain

    • 35
    • 60

    Rain/Snow Likely

    • 30
    • 51

    Rain Likely

Today 15 Oct Southern High Plains

Not as cool. Patchy fog in the morning. Mostly cloudy with a 20 percent chance of rain. Highs 45 to 50. South Winds up to 5 Mph shifting to the east in the afternoon.

Tonight 15 Oct Southern High Plains

Mostly cloudy with a 50 percent chance of rain. Lows 30 to 35. Northwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Split Rock Lake Temperature Statistics

October Temperature

Great Falls, Great Falls International Airport (54.7 miles)

  • Lowest 12 October, 2025

    28 °F

  • Average October

    50.7 °F

  • Highest 10 October, 2025

    78.1 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (54.7 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    58.3 °F
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