Larson Lake Weather Forecast

    • 54
    • 86

    Chance Thunderstorms

    • 48
    • 72

    Partly Sunny

    • 48
    • 61

    Rain Showers Likely

    • 49
    • 65

    Chance Rain Showers

    • 47
    • 66

    Partly Sunny

    • 50
    • 71

    Mostly Cloudy

Today 11 Sep Big Stone

Partly sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 80s. South Winds 15 to 20 Mph. Chance of rain 30 percent.

Tonight 11 Sep Big Stone

Partly cloudy with a chance of Thunderstorms in the Evening, then mostly clear after midnight. Cooler with Lows in the mid 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Larson Lake Temperature Statistics

September Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (6.2 miles)

  • Lowest 1 September, 2026

    55.4 °F

  • Average September

    73.1 °F

  • Highest 3 September, 2026

    95 °F

Climate (2021–2026)

Ortonville, Ortonville Muncipal-Martinson Field Airport (6.2 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    55.1 °F
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