Shallow Lake Weather Forecast

    • 43
    • 72

    Decreasing Clouds

    • 52
    • 74

    Chance Rain Showers

    • 50
    • 76

    Rain Showers Likely

    • 53
    • 70

    Rain Showers

    • 50
    • 74

    Chance Thunderstorms

    • 45
    • 70

    Slight Chance Rain Showers

Today 15 Sep Monroe

Mostly cloudy. A slight chance of Showers and Thunderstorms this morning. Highs in the lower 70s. West Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 15 Sep Monroe

Mostly cloudy in the Evening, then becoming partly cloudy. Cooler. Less humid with Lows in the mid 40s. Northwest Winds around 5 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shallow Lake Temperature Statistics

September Temperature

Black River Falls Area Airport (8.7 miles)

  • Lowest 13 September, 2026

    40.3 °F

  • Average September

    69.2 °F

  • Highest 1 September, 2026

    90.9 °F

Climate (2021–2026)

Black River Falls Area Airport (8.7 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    58.4 °F
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