Lake Isabelle Weather Forecast

    • 69
    • 85

    Chance Thunderstorms

    • 65
    • 90

    Mostly Sunny

    • 66
    • 90

    Chance Thunderstorms

    • 65
    • 86

    Chance Thunderstorms

    • 67
    • 83

    Rain Showers Likely

    • 65
    • 85

    Chance Rain Showers

    • 59
    • 84

    Partly Sunny

Today 3 Sep Dakota

Mostly sunny. Chance of Thunderstorms early in the Afternoon, then slight chance of Thunderstorms late in the afternoon. Highs in the mid 80s. South Winds 5 to 15 Mph. Chance of Thunderstorms 50 percent.

Tonight 3 Sep Dakota

Mostly clear. Slight chance of Thunderstorms early in the Evening, then chance of Thunderstorms in the late evening and early morning. Slight chance of Thunderstorms late in the night. Lows around 70. Southeast Winds 5 to 10 Mph. Chance of Thunderstorms 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Isabelle Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    64.4 °F

  • Average September

    76.9 °F

  • Highest 1 September, 2026

    89.4 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    57.2 °F
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