McCartney Lake Weather Forecast

    • 10
    • 28

    Snow Likely

    • -15
    • 15

    Partly Sunny

    • -15
    • -6

    Cold

    • -7
    • 2

    Cold

    • -7
    • 8

    Cold

    • 2
    • 13

    Mostly Sunny

Today 21 Jan Grant

Partly sunny in the Morning, then snow in the afternoon. Additional snow accumulation around an inch. Not as cold with Highs in the mid 20s. West Winds 10 to 15 Mph. Chance of snow 100 percent.

Tonight 21 Jan Grant

Mostly cloudy with a chance of snow in the Evening, then partly cloudy after midnight. Additional snow accumulation little or no. Lows around 5 above. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McCartney Lake Temperature Statistics

January Temperature

Dubuque Regional Airport (21.1 miles)

  • Lowest 18 January, 2026

    0 °F

  • Average January

    26.8 °F

  • Highest 8 January, 2026

    55.9 °F

Climate (2021–Present)

Dubuque Regional Airport (21.1 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59.1 °F
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