Mattlia Lake Weather Forecast

    • 43
    • 67

    Increasing Clouds

    • 38
    • 62

    Partly Sunny

    • 48
    • 62

    Rain Showers

    • 40
    • 64

    Mostly Sunny

    • 44
    • 63

    Mostly Cloudy

    • 44
    • 65

    Partly Sunny

Today 12 Sep Carlton/South St. Louis

Sunny, cooler. Less humid with Highs in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Sep Carlton/South St. Louis

Mostly cloudy. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Mattlia Lake Temperature Statistics

September Temperature

Mc Gregor - Isedor Iverson Airport (13 miles)

  • Lowest 1 September, 2026

    51.8 °F

  • Average September

    67.5 °F

  • Highest 2 September, 2026

    82.4 °F

Climate (2021–2026)

Mc Gregor - Isedor Iverson Airport (13 miles)

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  • Average Low 2021–2026

    32.9 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.5 °F
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