South Rothwell Lake Weather Forecast

    • 41
    • 64

    Increasing Clouds

    • 43
    • 68

    Partly Sunny

    • 43
    • 61

    Rain Showers Likely

    • 45
    • 67

    Partly Sunny

    • 51
    • 79

    Partly Sunny

    • 54
    • 86

    Mostly Sunny

Today 20 May Big Stone

Areas of frost in the morning. Mostly sunny. Not as cool with Highs in the mid 60s. South Winds 5 to 10 Mph.

Tonight 20 May Big Stone

Mostly clear. Areas of frost. Cold. Near steady temperature in the mid 30s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Rothwell Lake Temperature Statistics

May Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (13 miles)

  • Lowest 7 May, 2026

    30.2 °F

  • Average May

    55.3 °F

  • Highest 15 May, 2026

    82.4 °F

Climate (2021–Present)

Ortonville, Ortonville Muncipal-Martinson Field Airport (13 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    55.2 °F
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