Lake Tomah Weather Forecast

    • 46
    • 75

    Severe Tstms

    • 34
    • 58

    Partly Sunny

    • 43
    • 61

    Rain Showers Likely

    • 40
    • 63

    Rain Showers Likely

    • 35
    • 60

    Slight Chance Rain Showers

    • 40
    • 65

    Mostly Sunny

Today 28 Apr Monroe

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 70s. South Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 28 Apr Monroe

Mostly cloudy. Warmer with Lows around 50. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Tomah Temperature Statistics

April Temperature

Sparta, Sparta / Fort McCoy Airport (10.6 miles)

  • Lowest 8 April, 2025

    9.5 °F

  • Average April

    43.9 °F

  • Highest 23 April, 2025

    75.4 °F

Climate (2020–Present)

Sparta, Sparta / Fort McCoy Airport (10.6 miles)

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  • Average Low 2020–2025

    34.2 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    57.8 °F
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