Big McCarthy Lake Weather Forecast

    • 28
    • 54

    Increasing Clouds

    • 28
    • 46

    Chance Snow

    • 17
    • 37

    Chance Snow

    • 21
    • 39

    Partly Sunny

    • 28
    • 44

    Slight Chance Snow

    • 30
    • 43

    Rain/Snow Likely

Today 29 Mar South Itasca

Partly sunny. Highs in the mid 50s. Southeast Winds 5 to 10 Mph.

Tonight 29 Mar South Itasca

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Southeast Winds around 5 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big McCarthy Lake Temperature Statistics

March Temperature

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (17.4 miles)

  • Lowest 1 March, 2026

    -13 °F

  • Average March

    30.7 °F

  • Highest 21 March, 2026

    66 °F

Climate (2021–Present)

Grand Rapids, Grand Rapids/Itasca County Airport-Gordon Newstrom Field (17.4 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    50.9 °F
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