Niswi Lake Weather Forecast

    • 44
    • 69

    Increasing Clouds

    • 20
    • 57

    Rain/Sleet

    • 18
    • 32

    Mostly Cloudy

    • 20
    • 39

    Mostly Sunny

    • 34
    • 55

    Partly Sunny

    • 31
    • 57

    Mostly Sunny

Today 16 Apr North St. Louis

Sunny, warmer with Highs in the upper 60s. South Winds 5 to 10 Mph.

Tonight 16 Apr North St. Louis

Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain with a slight chance of Thunderstorms after midnight. Lows in the mid 40s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

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Niswi Lake Temperature Statistics

April Temperature

Ely, Ely Municipal Airport (19.3 miles)

  • Lowest 7 April, 2026

    -0.4 °F

  • Average April

    32.1 °F

  • Highest 12 April, 2026

    58.3 °F

Climate (2021–Present)

Ely, Ely Municipal Airport (19.3 miles)

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  • Average Low 2021–2026

    29.2 °F

  • Average 2021–2026

    40.2 °F

  • Average High 2021–2026

    49.8 °F
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