Larson Lake Weather Forecast

    • 60
    • 72

    Rain Showers Likely

    • 56
    • 68

    Rain Showers Likely

    • 55
    • 70

    Mostly Cloudy

    • 58
    • 77

    Slight Chance Thunderstorms

    • 55
    • 77

    Slight Chance Thunderstorms

    • 54
    • 72

    Mostly Sunny

Today 18 Sep Big Stone

Mostly cloudy. A slight chance of Thunderstorms late this Morning, then a chance of Thunderstorms this afternoon. Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Sep Big Stone

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows around 60. East Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Larson Lake Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    63.4 °F

  • Highest 14 September, 2025

    87.8 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    54.9 °F
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