Lake Isabelle Weather Forecast

    • 55
    • 77

    Slight Chance Thunderstorms

    • 57
    • 77

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 66
    • 85

    Chance Thunderstorms

    • 64
    • 84

    Chance Rain Showers

Today 4 Aug Dakota

Partly sunny. Highs in the mid 70s. Northwest Winds up to 10 Mph.

Tonight 4 Aug Dakota

Mostly cloudy in the evening then clearing. Lows in the mid 50s. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Isabelle Temperature Statistics

August Temperature

South St. Paul Municipal-Richard E. Flemi (12.4 miles)

  • Lowest 1 August, 2026

    64.9 °F

  • Average August

    75.5 °F

  • Highest 1 August, 2026

    86.4 °F

Climate (2021–2026)

South St. Paul Municipal-Richard E. Flemi (12.4 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    57.2 °F
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